介绍：本题单分为语法入门和算法入门两部分，共700题，题目按知识点和难度循序渐进，题单练完以后大概会有ICPC/CCPC铜牌水平。精简版算法题单可以参考 https://ac.nowcoder.com/discuss/926597语法入门如果你是刚刚开始接触程序设计的萌新，可以跟雨巨刷题录播来提高一下代码量 https://www.nowcoder.com/study/live/528顺序结构程序设计https://ac.nowcoder.com/acm/contest/18839?from=acdiscuss选择结构程序设计https://ac.nowcoder.com/acm/contest/19304?from=acdiscuss循环结构程序设计https://ac.nowcoder.com/acm/contest/19305?from=acdiscuss数组、字符串及数据批量存储https://ac.nowcoder.com/acm/contest/19306?from=acdiscuss函数与递归https://ac.nowcoder.com/acm/contest/19859?from=acdiscuss栈、队列和stlhttps://ac.nowcoder.com/acm/contest/19850?from=acdiscuss模拟、枚举与贪心https://ac.nowcoder.com/acm/contest/19851?from=acdiscuss语法入门课程 https://www.nowcoder.com/courses/cover/live/678?from=acdiscuss算法入门模拟、枚举与贪心https://ac.nowcoder.com/acm/contest/20960?from=acdiscuss递归与分治思想https://ac.nowcoder.com/acm/contest/21763?from=acdiscuss二分、三分、01分数规划https://ac.nowcoder.com/acm/contest/22353?from=acdiscuss堆栈、队列、单调栈、单调队列https://ac.nowcoder.com/acm/contest/22669?from=acdiscuss优先队列、并查集https://ac.nowcoder.com/acm/contest/22904?from=acdiscuss搜索与搜索剪枝https://ac.nowcoder.com/acm/contest/23156?from=acdiscuss动态规划1：线性dp、背包问题，区间https://ac.nowcoder.com/acm/contest/24213?from=acdiscuss动态规划2：树形dp、状压dp、https://ac.nowcoder.com/acm/contest/25022?from=acdiscuss图论基础、最短路与最小生成树https://ac.nowcoder.com/acm/contest/26077?from=acdiscuss简单数学基础https://ac.nowcoder.com/acm/contest/26656?from=acdiscuss线段树与树状数组https://ac.nowcoder.com/acm/contest/26896?from=acdiscussRMQ与LCAhttps://ac.nowcoder.com/acm/contest/27836?from=acdiscuss算法入门课程 https://www.nowcoder.com/courses/cover/live/724?from=acdiscuss算法进阶https://ac.nowcoder.com/discuss/828697Q&AQ：如何刷本题单？本题单分为语法入门和算法入门两部分。1、刚学完语法，完全没有接触过算法的同学，建议先从语法入门开始练。2、已经有过100-200道刷题量的同学，可以直接尝试直接从算法入门开始刷。3、算法入门部分知识点全部掌握的同学，可以转算法进阶题单进行练习https://ac.nowcoder.com/discuss/828697Q:刷题需有什么顺序吗？题单本身就是按难度和知识点排序的，可以按顺序进行。Q:所有的题目都要刷吗？不一定，如果你觉得某个专题已经掌握了，可以直接进行下一个专题。Q：刷题的时候遇到困难怎么办？题目想了20分钟以上还是没有思路，可以尝试去找一下题解，或者看一下他人提交的代码。学会了思路以后按照自己的理解来写代码解决题目（不要对着其他人的代码来写）。题单中的题目如果在网络上找不到题解，请把题目链接回复在本贴下，我们会对题解进行补充。Q：刷题之前需要具备什么知识吗？语法入门部分具备学校学习的语言课程内容就可以了。在刷题的过程中逐渐熟练掌握。算法入门部分需要学会每个专题对应的算法，你可以从网络查找资料，或者跟牛客竞赛的课程进行学习 https://ac.nowcoder.com/acm/course##题目汇总顺序结构程序设计练习题https://ac.nowcoder.com/acm/contest/18839?from=acdiscuss这是一道签到题 https://ac.nowcoder.com/acm/problem/16570排列式 https://ac.nowcoder.com/acm/problem/18929小飞机 https://ac.nowcoder.com/acm/problem/20750学姐的"Helloworld!" https://ac.nowcoder.com/acm/problem/213204乘法表 https://ac.nowcoder.com/acm/problem/22206KiKi学程序设计基础 https://ac.nowcoder.com/acm/problem/201524疫情死亡率 https://ac.nowcoder.com/acm/problem/214222爱因斯坦的名言 https://ac.nowcoder.com/acm/problem/214605字符串输出1.0 https://ac.nowcoder.com/acm/problem/216117牛牛学说话之-整数 https://ac.nowcoder.com/acm/problem/21985牛牛学说话之-浮点数 https://ac.nowcoder.com/acm/problem/21986牛牛学加法 https://ac.nowcoder.com/acm/problem/21987牛牛学除法 https://ac.nowcoder.com/acm/problem/21988牛牛学取余 https://ac.nowcoder.com/acm/problem/21989浮点除法 https://ac.nowcoder.com/acm/problem/21992计算带余除法 https://ac.nowcoder.com/acm/problem/21453K蝴蝶 https://ac.nowcoder.com/acm/problem/216116水题再次来袭：明天星期几？ https://ac.nowcoder.com/acm/problem/21310开学？ https://ac.nowcoder.com/acm/problem/206668helloworld https://ac.nowcoder.com/acm/problem/212982a+b https://ac.nowcoder.com/acm/problem/212983整数的个位 https://ac.nowcoder.com/acm/problem/21990整数的十位 https://ac.nowcoder.com/acm/problem/21991反向输出一个四位数 https://ac.nowcoder.com/acm/problem/21454总成绩和平均分计算 https://ac.nowcoder.com/acm/problem/21459计算平均成绩 https://ac.nowcoder.com/acm/problem/21586牛牛学梯形 https://ac.nowcoder.com/acm/problem/21995牛牛学矩形 https://ac.nowcoder.com/acm/problem/21998牛牛学立体 https://ac.nowcoder.com/acm/problem/21999计算三角形的周长和面积 https://ac.nowcoder.com/acm/problem/21461你能活多少秒 https://ac.nowcoder.com/acm/problem/21457时间转换 https://ac.nowcoder.com/acm/problem/21458温度转换 https://ac.nowcoder.com/acm/problem/22004计算机内存 https://ac.nowcoder.com/acm/problem/22005[NOIP2017]成绩 https://ac.nowcoder.com/acm/problem/16421KiKi的最高分 https://ac.nowcoder.com/acm/problem/201527组队比赛 https://ac.nowcoder.com/acm/problem/205272平方根 https://ac.nowcoder.com/acm/problem/22003长方体 https://ac.nowcoder.com/acm/problem/15869使徒袭来 https://ac.nowcoder.com/acm/problem/209794白兔的分身术 https://ac.nowcoder.com/acm/problem/15250纸牌 https://ac.nowcoder.com/acm/problem/18945Tobaku Mokushiroku Kaiji https://ac.nowcoder.com/acm/problem/19483珂朵莉的假动态仙人掌 https://ac.nowcoder.com/acm/problem/14828旅游观光 https://ac.nowcoder.com/acm/problem/14891[NOIP2002]自由落体 https://ac.nowcoder.com/acm/problem/16740挂科 https://ac.nowcoder.com/acm/problem/212995得不到的爱情 https://ac.nowcoder.com/acm/problem/216071选择结构程序设计练习题https://ac.nowcoder.com/acm/contest/19304?from=acdiscuss比大小 https://ac.nowcoder.com/acm/problem/212955卡拉兹函数 https://ac.nowcoder.com/acm/problem/205898默契 https://ac.nowcoder.com/acm/problem/215089整除判断 https://ac.nowcoder.com/acm/problem/214223CSimplemathproblem https://ac.nowcoder.com/acm/problem/213397吃瓜群众 https://ac.nowcoder.com/acm/problem/22014jyq跳格子 https://ac.nowcoder.com/acm/problem/215109小名的回答 https://ac.nowcoder.com/acm/problem/16128牛妹数 https://ac.nowcoder.com/acm/problem/22010判断闰年 https://ac.nowcoder.com/acm/problem/22012统计数据正负个数 https://ac.nowcoder.com/acm/problem/25316小乐乐是否被叫家长 https://ac.nowcoder.com/acm/problem/54539最大最小值 https://ac.nowcoder.com/acm/problem/22015送分题 https://ac.nowcoder.com/acm/problem/17194四季 https://ac.nowcoder.com/acm/problem/214428B是不是太迟了 https://ac.nowcoder.com/acm/problem/213396前天是哪天 https://ac.nowcoder.com/acm/problem/214607L1-2单位换算 https://ac.nowcoder.com/acm/problem/205413纸牌 https://ac.nowcoder.com/acm/problem/18945排队领水 https://ac.nowcoder.com/acm/problem/22240可编程拖拉机比赛 https://ac.nowcoder.com/acm/problem/14597[NOIP2004]不高兴的津津 https://ac.nowcoder.com/acm/problem/16658[NOIP2008]ISBN号码 https://ac.nowcoder.com/acm/problem/16617###循环结构程序设计练习题https://ac.nowcoder.com/acm/contest/19305?from=acdiscuss上下金字塔 https://ac.nowcoder.com/acm/problem/22204数字三角形 https://ac.nowcoder.com/acm/problem/22208字符金字塔 https://ac.nowcoder.com/acm/problem/22209涂小天与他的画 https://ac.nowcoder.com/acm/problem/214218箭形图案 https://ac.nowcoder.com/acm/problem/22056牛牛学数列 https://ac.nowcoder.com/acm/problem/22156牛牛学数列2 https://ac.nowcoder.com/acm/problem/22157牛牛学数列3 https://ac.nowcoder.com/acm/problem/22158牛牛学数列4 https://ac.nowcoder.com/acm/problem/22159牛牛学数列5 https://ac.nowcoder.com/acm/problem/22160牛牛学数列6 https://ac.nowcoder.com/acm/problem/22161A+B https://ac.nowcoder.com/acm/problem/14748多组输入a+b https://ac.nowcoder.com/acm/problem/22165多组输入a+b II https://ac.nowcoder.com/acm/problem/22166多组数据a+b III https://ac.nowcoder.com/acm/problem/22167[NOIP2018]标题统计 https://ac.nowcoder.com/acm/problem/21469栗酱数数 https://ac.nowcoder.com/acm/problem/14673有趣的二进制 https://ac.nowcoder.com/acm/problem/15942[NOIP2006]数列 https://ac.nowcoder.com/acm/problem/16668只能吃土豆的牛牛 https://ac.nowcoder.com/acm/problem/208253[NOIP2015]金币 https://ac.nowcoder.com/acm/problem/16490托米历险记 https://ac.nowcoder.com/acm/problem/16607绩点 https://ac.nowcoder.com/acm/problem/18414[NOIP2016]买铅笔 https://ac.nowcoder.com/acm/problem/16437整数个数 https://ac.nowcoder.com/acm/problem/14516栗酱的文明2 https://ac.nowcoder.com/acm/problem/14669黑大火与他的猫 https://ac.nowcoder.com/acm/problem/214219[NOIP2000]进制转换 https://ac.nowcoder.com/acm/problem/16756素数判断 https://ac.nowcoder.com/acm/problem/22200Game https://ac.nowcoder.com/acm/problem/201610[NOIP1999]Cantor表 https://ac.nowcoder.com/acm/problem/16785最大的差 https://ac.nowcoder.com/acm/problem/204457成绩统计 https://ac.nowcoder.com/acm/problem/214227糖果俱乐部 https://ac.nowcoder.com/acm/problem/207595数字计数 https://ac.nowcoder.com/acm/problem/210751热杆上的蚂蚁 https://ac.nowcoder.com/acm/problem/205453焦虑的蚂蚁 https://ac.nowcoder.com/acm/problem/21201拯救小a https://ac.nowcoder.com/acm/problem/214437YoungManDon'tSayFive https://ac.nowcoder.com/acm/problem/216200魔法数字变换 https://ac.nowcoder.com/acm/problem/22163[NOIP2005]陶陶摘苹果 https://ac.nowcoder.com/acm/problem/16648[NOIP2004]津津的储蓄计划 https://ac.nowcoder.com/acm/problem/16662[NOIP2002]级数求和 https://ac.nowcoder.com/acm/problem/16705cayun日常之赏月 https://ac.nowcoder.com/acm/problem/14610鹏 https://ac.nowcoder.com/acm/problem/17361D博弈与核心能源动力 https://ac.nowcoder.com/acm/problem/216024好数 https://ac.nowcoder.com/acm/problem/2133563和5和7 https://ac.nowcoder.com/acm/problem/22192回文对称数 https://ac.nowcoder.com/acm/problem/22169数位之和 https://ac.nowcoder.com/acm/problem/22199箱子归位 https://ac.nowcoder.com/acm/problem/22212栗酱和火柴 https://ac.nowcoder.com/acm/problem/14742[NOIP2009]多项式输出 https://ac.nowcoder.com/acm/problem/16622更相减损术 https://ac.nowcoder.com/acm/problem/22164数组、字符串及数据批量存储练习题https://ac.nowcoder.com/acm/contest/19306?from=acdiscuss随机序列 https://ac.nowcoder.com/acm/problem/205911[NOIP2013]记数问题 https://ac.nowcoder.com/acm/problem/16538约瑟夫环 https://ac.nowcoder.com/acm/problem/22227[NOIP2005]校门外的树 https://ac.nowcoder.com/acm/problem/16649比较月亮大小 https://ac.nowcoder.com/acm/problem/15431求距离 https://ac.nowcoder.com/acm/problem/15051数列下标 https://ac.nowcoder.com/acm/problem/18356求逆序数 https://ac.nowcoder.com/acm/problem/208813F课程满意度计算 https://ac.nowcoder.com/acm/problem/213401二进制？十进制！ https://ac.nowcoder.com/acm/problem/218048序列中整数去重 https://ac.nowcoder.com/acm/problem/25322有序序列插入一个整数 https://ac.nowcoder.com/acm/problem/25320打印质数表 https://ac.nowcoder.com/acm/problem/22210素数分布 https://ac.nowcoder.com/acm/problem/54580有序序列合并 https://ac.nowcoder.com/acm/problem/25323杨辉三角 https://ac.nowcoder.com/acm/problem/14320矩阵元素定位 https://ac.nowcoder.com/acm/problem/54155上三角矩阵判定 https://ac.nowcoder.com/acm/problem/54159扫雷 https://ac.nowcoder.com/acm/problem/52069Matrix https://ac.nowcoder.com/acm/problem/13883矩阵转置 https://ac.nowcoder.com/acm/problem/54160wyh的矩阵 https://ac.nowcoder.com/acm/problem/15426病菌感染 https://ac.nowcoder.com/acm/problem/16121李在赣神魔 https://ac.nowcoder.com/acm/problem/207419数独合理吗？ https://ac.nowcoder.com/acm/problem/220705回型矩阵 https://ac.nowcoder.com/acm/problem/22230蛇形矩阵 https://ac.nowcoder.com/acm/problem/22231竞赛技巧 https://ac.nowcoder.com/acm/problem/15056[NOIP2006]明明的随机数 https://ac.nowcoder.com/acm/problem/16669lcryin的排序题 https://ac.nowcoder.com/acm/problem/213927[NOIP2009]分数线划定 https://ac.nowcoder.com/acm/problem/16625[NOIP2007]奖学金 https://ac.nowcoder.com/acm/problem/16639[NOIP2003]乒乓球 https://ac.nowcoder.com/acm/problem/16674斗兽棋 https://ac.nowcoder.com/acm/problem/204868珂朵莉的假toptree https://ac.nowcoder.com/acm/problem/14831BFS https://ac.nowcoder.com/acm/problem/17870简写单词 https://ac.nowcoder.com/acm/problem/207915小y的考试 https://ac.nowcoder.com/acm/problem/212819字符统计 https://ac.nowcoder.com/acm/problem/213352Alanyyds https://ac.nowcoder.com/acm/problem/216136[NOIP2008]笨小猴 https://ac.nowcoder.com/acm/problem/16613添加逗号 https://ac.nowcoder.com/acm/problem/15054[NOIP2000]计算器的改良 https://ac.nowcoder.com/acm/problem/16749Check In https://ac.nowcoder.com/acm/problem/14112[NOIP2011]统计单词数 https://ac.nowcoder.com/acm/problem/16585译码 https://ac.nowcoder.com/acm/problem/15940字符串操作 https://ac.nowcoder.com/acm/problem/14895火车上的2连座 https://ac.nowcoder.com/acm/problem/15758String https://ac.nowcoder.com/acm/problem/15661[NOIP2017]图书管理员 https://ac.nowcoder.com/acm/problem/16422[NOIP2009]潜伏者 https://ac.nowcoder.com/acm/problem/16609[NOIP2012]Vigenère 密码 https://ac.nowcoder.com/acm/problem/16560字符串分类 https://ac.nowcoder.com/acm/problem/201626[NOIP2005]谁拿了最多奖学金 https://ac.nowcoder.com/acm/problem/16654勇气获得机 https://ac.nowcoder.com/acm/problem/14710函数与递归练习题https://ac.nowcoder.com/acm/contest/19859?from=acdiscuss[NOIP2010]数字统计 https://ac.nowcoder.com/acm/problem/16599日历中的数字 https://ac.nowcoder.com/acm/problem/13584素数回文 https://ac.nowcoder.com/acm/problem/14703数位五五 https://ac.nowcoder.com/acm/problem/22168233 https://ac.nowcoder.com/acm/problem/15756Hello I am HERE! https://ac.nowcoder.com/acm/problem/15902[NOIP1999]回文数 https://ac.nowcoder.com/acm/problem/16811兔子的序列 https://ac.nowcoder.com/acm/problem/20858素数中的等差数列 https://ac.nowcoder.com/acm/problem/208815[NOIP2003]侦探推理 https://ac.nowcoder.com/acm/problem/16680小X的多边形 https://ac.nowcoder.com/acm/problem/16130The Biggest Water Problem https://ac.nowcoder.com/acm/problem/15173小q的数列 https://ac.nowcoder.com/acm/problem/15979[NOIP2001]求先序排列 https://ac.nowcoder.com/acm/problem/16692中序序列 https://ac.nowcoder.com/acm/problem/204382[NOIP2004]FBI树 https://ac.nowcoder.com/acm/problem/16660[NOIP2003]加分二叉树 https://ac.nowcoder.com/acm/problem/16681对称二叉树 https://ac.nowcoder.com/acm/problem/21241大吉大利，今晚吃鸡 https://ac.nowcoder.com/acm/problem/14585Bits https://ac.nowcoder.com/acm/problem/201605[NOIP2013]表达式求值 https://ac.nowcoder.com/acm/problem/16539重返小学 https://ac.nowcoder.com/acm/problem/21181表达式计算4 https://ac.nowcoder.com/acm/problem/50999栈、队列和stl练习题https://ac.nowcoder.com/acm/contest/19850?from=acdiscuss老子的全排列呢 https://ac.nowcoder.com/acm/problem/15128装进肚子 https://ac.nowcoder.com/acm/problem/14721牛牛的三角形 https://ac.nowcoder.com/acm/problem/204117[NOIP1998]拼数 https://ac.nowcoder.com/acm/problem/16783好串 https://ac.nowcoder.com/acm/problem/21874Rails https://ac.nowcoder.com/acm/problem/14326栈和排序 https://ac.nowcoder.com/acm/problem/14893吐泡泡 https://ac.nowcoder.com/acm/problem/15029牛牛与后缀表达式 https://ac.nowcoder.com/acm/problem/212914Keep In Line https://ac.nowcoder.com/acm/problem/13822Number https://ac.nowcoder.com/acm/problem/14615指纹锁 https://ac.nowcoder.com/acm/problem/17508younik要排号 https://ac.nowcoder.com/acm/problem/210768Let'sPlayCurling https://ac.nowcoder.com/acm/problem/216012模拟、枚举与贪心练习题https://ac.nowcoder.com/acm/contest/19851?from=acdiscuss四舍五入 https://ac.nowcoder.com/acm/problem/200369安卓图案解锁 https://ac.nowcoder.com/acm/problem/13585从后台研发到跑路 https://ac.nowcoder.com/acm/problem/13588Captcha Cracker https://ac.nowcoder.com/acm/problem/13814回文数 https://ac.nowcoder.com/acm/problem/212226[NOIP2017]时间复杂度 https://ac.nowcoder.com/acm/problem/16415[NOIP2016]玩具谜题 https://ac.nowcoder.com/acm/problem/16426[NOIP2015]神奇的幻方 https://ac.nowcoder.com/acm/problem/16464Tic-Tac-Toe https://ac.nowcoder.com/acm/problem/200519I love you https://ac.nowcoder.com/acm/problem/201612[NOIP2007]Hanoi双塔问题 https://ac.nowcoder.com/acm/problem/16642方块与收纳盒 https://ac.nowcoder.com/acm/problem/14975答题卡 https://ac.nowcoder.com/acm/problem/205036区间求和 https://ac.nowcoder.com/acm/problem/208910零钱兑换 https://ac.nowcoder.com/acm/problem/22197斐波那契 https://ac.nowcoder.com/acm/problem/18264生日宴 https://ac.nowcoder.com/acm/problem/19244了断局 https://ac.nowcoder.com/acm/problem/15036脸盆大哥的木桶 https://ac.nowcoder.com/acm/problem/14670倒水 https://ac.nowcoder.com/acm/problem/13228Cut https://ac.nowcoder.com/acm/problem/14291强迫症的序列 https://ac.nowcoder.com/acm/problem/15322字典序最大的子序列 https://ac.nowcoder.com/acm/problem/15805强迫症 https://ac.nowcoder.com/acm/problem/16301[NOIP2007]纪念品分组 https://ac.nowcoder.com/acm/problem/16640Eustia of the Tarnished Wings https://ac.nowcoder.com/acm/problem/19487Shopping https://ac.nowcoder.com/acm/problem/19784Mountain https://ac.nowcoder.com/acm/problem/19812可持久化动态图上树状数组维护01背包 https://ac.nowcoder.com/acm/problem/19838纸牌游戏 https://ac.nowcoder.com/acm/problem/201628组队 https://ac.nowcoder.com/acm/problem/204859牛牛玩平板 https://ac.nowcoder.com/acm/problem/21841[NOIP2008]排座椅 https://ac.nowcoder.com/acm/problem/16618算法入门模拟、枚举与贪心练习题 https://ac.nowcoder.com/acm/contest/20960?from=acdiscuss[NOIP2007]字符串的展开 https://ac.nowcoder.com/acm/problem/16644[NOIP2017]时间复杂度 https://ac.nowcoder.com/acm/problem/16415[NOIP2010]机器翻译 https://ac.nowcoder.com/acm/problem/16589四舍五入 https://ac.nowcoder.com/acm/problem/200369安卓图案解锁 https://ac.nowcoder.com/acm/problem/13585从后台研发到跑路 https://ac.nowcoder.com/acm/problem/13588Captcha Cracker https://ac.nowcoder.com/acm/problem/13814回文数 https://ac.nowcoder.com/acm/problem/212226[NOIP1999]回文数 https://ac.nowcoder.com/acm/problem/16811[NOIP2016]玩具谜题 https://ac.nowcoder.com/acm/problem/16426[NOIP2015]神奇的幻方 https://ac.nowcoder.com/acm/problem/16464Tic-Tac-Toe https://ac.nowcoder.com/acm/problem/200519I love you https://ac.nowcoder.com/acm/problem/201612[NOIP2006]明明的随机数 https://ac.nowcoder.com/acm/problem/16669[NOIP2016]回文日期 https://ac.nowcoder.com/acm/problem/16438[NOIP2011]铺地毯 https://ac.nowcoder.com/acm/problem/16593[NOIP2005]校门外的树 https://ac.nowcoder.com/acm/problem/16649值周 https://ac.nowcoder.com/acm/problem/24636货物种类 https://ac.nowcoder.com/acm/problem/202498储物点的距离 https://ac.nowcoder.com/acm/problem/14683糖糖别胡说，我真的不是签到题目 https://ac.nowcoder.com/acm/problem/14583数学考试 https://ac.nowcoder.com/acm/problem/15553Xorto https://ac.nowcoder.com/acm/problem/14247[HNOI2003]激光炸弹 https://ac.nowcoder.com/acm/problem/20032「土」秘法地震 https://ac.nowcoder.com/acm/problem/53676仓库选址 https://ac.nowcoder.com/acm/problem/202492字符串 https://ac.nowcoder.com/acm/problem/18386加减 https://ac.nowcoder.com/acm/problem/224938牛牛的木板 https://ac.nowcoder.com/acm/problem/204370丢手绢 https://ac.nowcoder.com/acm/problem/207040[SCOI2009]生日礼物 https://ac.nowcoder.com/acm/problem/20565[SCOI2005]扫雷MINE https://ac.nowcoder.com/acm/problem/20241月月查华华的手机 https://ac.nowcoder.com/acm/problem/23053ranko的手表 https://ac.nowcoder.com/acm/problem/221825[NOIP1998]拼数 https://ac.nowcoder.com/acm/problem/16783字典序最大的子序列 https://ac.nowcoder.com/acm/problem/15805Shopping https://ac.nowcoder.com/acm/problem/19784组队 https://ac.nowcoder.com/acm/problem/204859纸牌游戏 https://ac.nowcoder.com/acm/problem/201628[USACO 2007 Nov G]Sunscreen https://ac.nowcoder.com/acm/problem/25025倒水 https://ac.nowcoder.com/acm/problem/13228[NOIP2007]纪念品分组 https://ac.nowcoder.com/acm/problem/16640牛妹和01串 https://ac.nowcoder.com/acm/problem/200183[NOIP2008]排座椅 https://ac.nowcoder.com/acm/problem/16618矩阵消除游戏 https://ac.nowcoder.com/acm/problem/200190华华听月月唱歌 https://ac.nowcoder.com/acm/problem/23036[USACO 2006 Ope B]Cows on a Leash https://ac.nowcoder.com/acm/problem/25136[NOIP2012]国王的游戏 https://ac.nowcoder.com/acm/problem/16561[USACO 2007 Jan S]Protecting the Flowers https://ac.nowcoder.com/acm/problem/25043「土」巨石滚滚 https://ac.nowcoder.com/acm/problem/53681毒瘤xor https://ac.nowcoder.com/acm/problem/18979兔子的区间密码 https://ac.nowcoder.com/acm/problem/20860起床困难综合症 https://ac.nowcoder.com/acm/problem/17857[USACO 2007 Jan S]Tallest Cow https://ac.nowcoder.com/acm/problem/25044递归与分治思想练习题 https://ac.nowcoder.com/acm/contest/21763?from=acdiscussThe Biggest Water Problem https://ac.nowcoder.com/acm/problem/15173小q的数列 https://ac.nowcoder.com/acm/problem/15979更相减损术 https://ac.nowcoder.com/acm/problem/22164[NOIP2009]分数线划定 https://ac.nowcoder.com/acm/problem/16625第k小数 https://ac.nowcoder.com/acm/problem/207028求逆序数 https://ac.nowcoder.com/acm/problem/208813逆序数 https://ac.nowcoder.com/acm/problem/15163兔子的逆序对 https://ac.nowcoder.com/acm/problem/20861大吉大利，今晚吃鸡 https://ac.nowcoder.com/acm/problem/14585Bits https://ac.nowcoder.com/acm/problem/201605[NOIP2001]求先序排列 https://ac.nowcoder.com/acm/problem/16692中序序列 https://ac.nowcoder.com/acm/problem/204382[NOIP2004]FBI树 https://ac.nowcoder.com/acm/problem/16660[NOIP2013]表达式求值 https://ac.nowcoder.com/acm/problem/16539重返小学 https://ac.nowcoder.com/acm/problem/21181表达式计算4 https://ac.nowcoder.com/acm/problem/50999求最值 https://ac.nowcoder.com/acm/problem/15052逆序对 https://ac.nowcoder.com/acm/problem/14731华华教月月做数学 https://ac.nowcoder.com/acm/problem/23046选择颜色 https://ac.nowcoder.com/acm/problem/19115Contest https://ac.nowcoder.com/acm/problem/13947kotori和糖果 https://ac.nowcoder.com/acm/problem/50038二分、三分、01分数规划练习题 https://ac.nowcoder.com/acm/contest/22353?from=acdiscuss[USACO 2009 Dec S]Music Notes https://ac.nowcoder.com/acm/problem/24866完全平方数 https://ac.nowcoder.com/acm/problem/14733[NOIP2015]跳石头 https://ac.nowcoder.com/acm/problem/16462[USACO 2017 Dec P]Greedy Gift Takers https://ac.nowcoder.com/acm/problem/24083[USACO 2010 Feb S]Chocolate Eating https://ac.nowcoder.com/acm/problem/24724华华给月月准备礼物 https://ac.nowcoder.com/acm/problem/23049[CQOI2010]扑克牌 https://ac.nowcoder.com/acm/problem/19916[NOIP2012]借教室 https://ac.nowcoder.com/acm/problem/16564K-th Number https://ac.nowcoder.com/acm/problem/14301[NOIP2011]聪明的质监员 https://ac.nowcoder.com/acm/problem/16597位数差 https://ac.nowcoder.com/acm/problem/14380装备合成 https://ac.nowcoder.com/acm/problem/200211[HEOI2014]南园满地堆轻絮 https://ac.nowcoder.com/acm/problem/20012[USACO 2016 Jan S]Angry Cows https://ac.nowcoder.com/acm/problem/24017神奇盘子 https://ac.nowcoder.com/acm/problem/16746Brownie Slicing https://ac.nowcoder.com/acm/problem/24622[SCOI2010]传送带 https://ac.nowcoder.com/acm/problem/20276[SHOI2017]期末考试 https://ac.nowcoder.com/acm/problem/20439小咪买东西 https://ac.nowcoder.com/acm/problem/14662gpa https://ac.nowcoder.com/acm/problem/17400堆栈、队列、单调栈、单调队列练习题 https://ac.nowcoder.com/acm/contest/22669?from=acdiscuss栈和排序 https://ac.nowcoder.com/acm/problem/14893牛牛与后缀表达式 https://ac.nowcoder.com/acm/problem/212914好串 https://ac.nowcoder.com/acm/problem/21874Rails https://ac.nowcoder.com/acm/problem/14326吐泡泡 https://ac.nowcoder.com/acm/problem/15029Operating System https://ac.nowcoder.com/acm/problem/15688小C的记事本 https://ac.nowcoder.com/acm/problem/15975Keep In Line https://ac.nowcoder.com/acm/problem/13822[NOIP2004]合并果子 https://ac.nowcoder.com/acm/problem/16663[NOIP2016]蚯蚓 https://ac.nowcoder.com/acm/problem/16430简单的数据结构 https://ac.nowcoder.com/acm/problem/14661队列Q https://ac.nowcoder.com/acm/problem/17059滑动窗口 https://ac.nowcoder.com/acm/problem/50528[USACO 2009 Mar S]Look Up https://ac.nowcoder.com/acm/problem/24840Largest Rectangle in a Histogram https://ac.nowcoder.com/acm/problem/50965区区区间间间 https://ac.nowcoder.com/acm/problem/20806小A的柱状图 https://ac.nowcoder.com/acm/problem/23619[USACO 2006 Nov S]Bad Hair Day https://ac.nowcoder.com/acm/problem/25084[USACO 2012 Mar S]Flowerpot https://ac.nowcoder.com/acm/problem/24325优先队列、并查集练习题 https://ac.nowcoder.com/acm/contest/22904?from=acdiscuss[NOIP2004]合并果子 https://ac.nowcoder.com/acm/problem/16663Running Median https://ac.nowcoder.com/acm/problem/50940第k小 https://ac.nowcoder.com/acm/problem/214362tokitsukaze and Soldier https://ac.nowcoder.com/acm/problem/50439[JSOI2007]建筑抢修 https://ac.nowcoder.com/acm/problem/20154[JSOI2010]缓存交换 https://ac.nowcoder.com/acm/problem/20185背包 https://ac.nowcoder.com/acm/problem/17315Cut https://ac.nowcoder.com/acm/problem/14291Operating System https://ac.nowcoder.com/acm/problem/15688网络优化 https://ac.nowcoder.com/acm/problem/20951小A与任务 https://ac.nowcoder.com/acm/problem/22604简单的数据结构 https://ac.nowcoder.com/acm/problem/14661老子的全排列呢 https://ac.nowcoder.com/acm/problem/15128指纹锁 https://ac.nowcoder.com/acm/problem/17508新建 Microsoft Office Word 文档 https://ac.nowcoder.com/acm/problem/17889牛牛爱奇数 https://ac.nowcoder.com/acm/problem/207569Efficient Solutions https://ac.nowcoder.com/acm/problem/116634Defeat the Enemy https://ac.nowcoder.com/acm/problem/124063Let'sPlayCurling https://ac.nowcoder.com/acm/problem/216012Rinne Loves Data Structure https://ac.nowcoder.com/acm/problem/22596DongDong认亲戚 https://ac.nowcoder.com/acm/problem/23803经商 https://ac.nowcoder.com/acm/problem/14545[USACO 2011 Ope S]Learning Languages https://ac.nowcoder.com/acm/problem/24608食物链 https://ac.nowcoder.com/acm/problem/16884加边的无向图 https://ac.nowcoder.com/acm/problem/14685小C的周末 https://ac.nowcoder.com/acm/problem/15976[NOIP2017]奶酪 https://ac.nowcoder.com/acm/problem/16417Parity game https://ac.nowcoder.com/acm/problem/51097搜索与搜索剪枝练习题 https://ac.nowcoder.com/acm/contest/23156?from=acdiscuss老子的全排列呢 https://ac.nowcoder.com/acm/problem/15128走出迷宫 https://ac.nowcoder.com/acm/problem/14572模拟战役 https://ac.nowcoder.com/acm/problem/14698Jelly https://ac.nowcoder.com/acm/problem/201613[NOIP2014]寻找道路 https://ac.nowcoder.com/acm/problem/16498送外卖 https://ac.nowcoder.com/acm/problem/13224迷宫 https://ac.nowcoder.com/acm/problem/15136「金」点石成金 https://ac.nowcoder.com/acm/problem/53680[SDOI2016]齿轮 https://ac.nowcoder.com/acm/problem/20583数独挑战 https://ac.nowcoder.com/acm/problem/24911幸运数字Ⅱ https://ac.nowcoder.com/acm/problem/15291[NOIP2017]奶酪 https://ac.nowcoder.com/acm/problem/16417[NOIP2010]关押罪犯 https://ac.nowcoder.com/acm/problem/16591wyh的迷宫 https://ac.nowcoder.com/acm/problem/15434八数码 https://ac.nowcoder.com/acm/problem/51032[NOIP2002]字串变换 https://ac.nowcoder.com/acm/problem/16742小木棍 https://ac.nowcoder.com/acm/problem/50243maze https://ac.nowcoder.com/acm/problem/15665wyh的吃鸡 https://ac.nowcoder.com/acm/problem/15445CSL的校园卡 https://ac.nowcoder.com/acm/problem/17872Ocean Currents https://ac.nowcoder.com/acm/problem/117187魔法数字 https://ac.nowcoder.com/acm/problem/202589新集合 https://ac.nowcoder.com/acm/problem/204418[SCOI2010]游戏 https://ac.nowcoder.com/acm/problem/20566[CQOI2007]矩形RECT https://ac.nowcoder.com/acm/problem/19910[SCOI2009]生日快乐 https://ac.nowcoder.com/acm/problem/20272Tree Decoration https://ac.nowcoder.com/acm/problem/24623[HAOI2008]移动玩具 https://ac.nowcoder.com/acm/problem/19975[NOIP2000]单词接龙 https://ac.nowcoder.com/acm/problem/16758[CQOI2013]新数独 https://ac.nowcoder.com/acm/problem/19929[USACO 2011 Ope S]Corn Maze https://ac.nowcoder.com/acm/problem/24605[USACO 2007 Ope S]Catch That Cow https://ac.nowcoder.com/acm/problem/25080Lake Counting https://ac.nowcoder.com/acm/problem/24739[NOIP2011]Mayan 游戏 https://ac.nowcoder.com/acm/problem/16595[NOIP2009]靶形数独 https://ac.nowcoder.com/acm/problem/16612[NOIP2004]虫食算 https://ac.nowcoder.com/acm/problem/16665[NOIP2013]华容道 https://ac.nowcoder.com/acm/problem/16536动态规划1：线性dp、背包问题，区间练习题 https://ac.nowcoder.com/acm/contest/24213?from=acdiscuss方块与收纳盒 https://ac.nowcoder.com/acm/problem/14975舔狗舔到最后一无所有 https://ac.nowcoder.com/acm/problem/20875可爱の星空 https://ac.nowcoder.com/acm/problem/20650数字三角形 https://ac.nowcoder.com/acm/problem/22208花店橱窗 https://ac.nowcoder.com/acm/problem/51216免费馅饼 https://ac.nowcoder.com/acm/problem/16850钉子和小球 https://ac.nowcoder.com/acm/problem/16856[NOIP2002]过河卒 https://ac.nowcoder.com/acm/problem/16708[NOIP2008]传球游戏 https://ac.nowcoder.com/acm/problem/16619「木」迷雾森林 https://ac.nowcoder.com/acm/problem/53675[NOIP2004]合唱队形 https://ac.nowcoder.com/acm/problem/16664[NOIP1999]拦截导弹 https://ac.nowcoder.com/acm/problem/16810数学考试 https://ac.nowcoder.com/acm/problem/15553小A买彩票 https://ac.nowcoder.com/acm/problem/23413购物 https://ac.nowcoder.com/acm/problem/14526牛牛的旅游纪念品 https://ac.nowcoder.com/acm/problem/207751[NOIP2001]装箱问题 https://ac.nowcoder.com/acm/problem/16693[NOIP2005]采药 https://ac.nowcoder.com/acm/problem/16650[NOIP2006]开心的金明 https://ac.nowcoder.com/acm/problem/16666CSL分苹果 https://ac.nowcoder.com/acm/problem/17871失衡天平 https://ac.nowcoder.com/acm/problem/19158Music Problem https://ac.nowcoder.com/acm/problem/13885美味菜肴 https://ac.nowcoder.com/acm/problem/14704[NOIP2006]金明的预算方案 https://ac.nowcoder.com/acm/problem/16671队伍配置 https://ac.nowcoder.com/acm/problem/14699合并回文子串 https://ac.nowcoder.com/acm/problem/13230取数游戏2 https://ac.nowcoder.com/acm/problem/14701wyh的问题 https://ac.nowcoder.com/acm/problem/15447[NOIP2007]矩阵取数游戏 https://ac.nowcoder.com/acm/problem/16645石子合并 https://ac.nowcoder.com/acm/problem/50493石子合并 https://ac.nowcoder.com/acm/problem/51170迁徙过程中的河流 https://ac.nowcoder.com/acm/problem/207781小A的回文串 https://ac.nowcoder.com/acm/problem/23501[USACO 2009 Dec G]Video Game Troubles https://ac.nowcoder.com/acm/problem/24870简单瞎搞题 https://ac.nowcoder.com/acm/problem/17193凸多边形的划分 https://ac.nowcoder.com/acm/problem/50500[NOIP2003]加分二叉树 https://ac.nowcoder.com/acm/problem/16681[NOIP2008]传纸条 https://ac.nowcoder.com/acm/problem/16615[NOIP2000]方格取数 https://ac.nowcoder.com/acm/problem/16759[NOIP2005]过河 https://ac.nowcoder.com/acm/problem/16655[NOIP2010]乌龟棋 https://ac.nowcoder.com/acm/problem/16590To the Max https://ac.nowcoder.com/acm/problem/50959[ZJOI2007]棋盘制作 https://ac.nowcoder.com/acm/problem/20471[SCOI2005]最大子矩阵 https://ac.nowcoder.com/acm/problem/20242[NOIP2006]能量项链 https://ac.nowcoder.com/acm/problem/16670[USACO 2016 Ope P]262144 https://ac.nowcoder.com/acm/problem/24438[NOIP2012]摆花 https://ac.nowcoder.com/acm/problem/16576[NOIP2007]守望者的逃离 https://ac.nowcoder.com/acm/problem/16641[NOIP2018]货币系统 https://ac.nowcoder.com/acm/problem/21467[USACO 2009 Oct G]Bessie's Weight Problem https://ac.nowcoder.com/acm/problem/24851[HAOI2012]音量调节 https://ac.nowcoder.com/acm/problem/19990[NOIP2014]飞扬的小鸟 https://ac.nowcoder.com/acm/problem/16496[CQOI2007]涂色PAINT https://ac.nowcoder.com/acm/problem/19909[USACO 2008 Jan S]Running https://ac.nowcoder.com/acm/problem/24949金币馅饼 https://ac.nowcoder.com/acm/problem/25147饥饿的牛 https://ac.nowcoder.com/acm/problem/25148[NOIP2001]统计单词个数 https://ac.nowcoder.com/acm/problem/16696Min酱要旅行 https://ac.nowcoder.com/acm/problem/210520小小粉刷匠 https://ac.nowcoder.com/acm/problem/16129[SCOI2009]粉刷匠 https://ac.nowcoder.com/acm/problem/20273跳跳跳 https://ac.nowcoder.com/acm/problem/227595动态规划2：树形dp、状压dp、练习题 https://ac.nowcoder.com/acm/contest/25022?from=acdiscuss小G有一个大树 https://ac.nowcoder.com/acm/problem/15033没有上司的舞会 https://ac.nowcoder.com/acm/problem/51178[USACO 2008 Jan G]Cell Phone Network https://ac.nowcoder.com/acm/problem/24953Strategic game https://ac.nowcoder.com/acm/problem/51222树上子链 https://ac.nowcoder.com/acm/problem/202475二叉苹果树 https://ac.nowcoder.com/acm/problem/50505选课 https://ac.nowcoder.com/acm/problem/51179Tree https://ac.nowcoder.com/acm/problem/19782Rinne Loves Edges https://ac.nowcoder.com/acm/problem/22598电话网络 https://ac.nowcoder.com/acm/problem/211219[USACO 2018 Feb G]Directory Traversal https://ac.nowcoder.com/acm/problem/24263[HAOI2015]树上染色 https://ac.nowcoder.com/acm/problem/19996蓝魔法师 https://ac.nowcoder.com/acm/problem/20811Accumulation Degree https://ac.nowcoder.com/acm/problem/51180[USACO 2010 Mar G]Great Cow Gathering https://ac.nowcoder.com/acm/problem/24734炮兵阵地 https://ac.nowcoder.com/acm/problem/16886[SCOI2005]互不侵犯KING https://ac.nowcoder.com/acm/problem/20240Mondriaan's Dream https://ac.nowcoder.com/acm/problem/51189Most Powerful https://ac.nowcoder.com/acm/problem/15832德玛西亚万岁 https://ac.nowcoder.com/acm/problem/15034郊区春游 https://ac.nowcoder.com/acm/problem/16122简单环 https://ac.nowcoder.com/acm/problem/16544方格填色 https://ac.nowcoder.com/acm/problem/17890[AHOI2009]CHESS 中国象棋 https://ac.nowcoder.com/acm/problem/19885[ZJOI2009]多米诺骨牌 https://ac.nowcoder.com/acm/problem/20485mixup2混乱的奶牛 https://ac.nowcoder.com/acm/problem/210981[USACO 2015 Jan G]Moovie Mooving https://ac.nowcoder.com/acm/problem/24158[USACO 2013 Nov G]No Change https://ac.nowcoder.com/acm/problem/24416[USACO 2006 Oct S]Corn Fields https://ac.nowcoder.com/acm/problem/25088图论基础、最短路与最小生成树练习题 https://ac.nowcoder.com/acm/contest/26077?from=acdiscuss[NOIP2003]神经网络 https://ac.nowcoder.com/acm/problem/16679[NOIP2013]车站分级 https://ac.nowcoder.com/acm/problem/16541[HNOI2015]菜肴制作 https://ac.nowcoder.com/acm/problem/20115旅行 https://ac.nowcoder.com/acm/problem/14352迷宫2 https://ac.nowcoder.com/acm/problem/15196最短路 https://ac.nowcoder.com/acm/problem/15479公交线路 https://ac.nowcoder.com/acm/problem/17511挖沟 https://ac.nowcoder.com/acm/problem/17509Forsaken喜欢独一无二的树 https://ac.nowcoder.com/acm/problem/53074道路建设 https://ac.nowcoder.com/acm/problem/15108Highway https://ac.nowcoder.com/acm/problem/52867小雨坐地铁 https://ac.nowcoder.com/acm/problem/26257[USACO 2007 Ope S]Catch That Cow https://ac.nowcoder.com/acm/problem/25080[USACO 2009 Nov S]Job Hunt https://ac.nowcoder.com/acm/problem/24858[USACO 2010 Dec S]Apple Delivery https://ac.nowcoder.com/acm/problem/24755[USACO 2012 Dec S]Milk Routing https://ac.nowcoder.com/acm/problem/24370[USACO 2007 Ope B]Bronze Cow Party https://ac.nowcoder.com/acm/problem/25077[USACO 2008 Ope S]Clear And Present Danger https://ac.nowcoder.com/acm/problem/25005[USACO 2007 Nov S]Cow Hurdles https://ac.nowcoder.com/acm/problem/25020胖胖的牛牛 https://ac.nowcoder.com/acm/problem/208246ObstacleCourse障碍训练课 https://ac.nowcoder.com/acm/problem/212331Meeting https://ac.nowcoder.com/acm/problem/124167[NOIP2015]信息传递 https://ac.nowcoder.com/acm/problem/16466[USACO 2007 Mar G]Ranking the Cows https://ac.nowcoder.com/acm/problem/25064[USACO 2008 Jan S]Cow Contest https://ac.nowcoder.com/acm/problem/24948[NOIP2001]Car的旅行路线 https://ac.nowcoder.com/acm/problem/16697大吉大利，晚上吃鸡！ https://ac.nowcoder.com/acm/problem/14501追债之旅 https://ac.nowcoder.com/acm/problem/14700[NOIP2009]最优贸易 https://ac.nowcoder.com/acm/problem/16611最优贸易 https://ac.nowcoder.com/acm/problem/50379Rinne Loves Graph https://ac.nowcoder.com/acm/problem/22594Rinne Loves Dynamic Graph https://ac.nowcoder.com/acm/problem/22600[NOIP2017]逛公园 https://ac.nowcoder.com/acm/problem/16416wpy的请求 https://ac.nowcoder.com/acm/problem/20684道路和航线 https://ac.nowcoder.com/acm/problem/50381[SCOI2012]滑雪与时间胶囊 https://ac.nowcoder.com/acm/problem/20568[HAOI2006]聪明的猴子 https://ac.nowcoder.com/acm/problem/19964虫洞 Wormholes https://ac.nowcoder.com/acm/problem/50385银河英雄传说 https://ac.nowcoder.com/acm/problem/16889[USACO 2014 Mar S]Watering the Fields https://ac.nowcoder.com/acm/problem/24587[SCOI2005]繁忙的都市 https://ac.nowcoder.com/acm/problem/20245布局 Layout https://ac.nowcoder.com/acm/problem/50390[SCOI2011]糖果 https://ac.nowcoder.com/acm/problem/20284[HAOI2012]ROAD https://ac.nowcoder.com/acm/problem/19987简单数学基础练习题 https://ac.nowcoder.com/acm/contest/26656?from=acdiscuss素数判断   https://ac.nowcoder.com/acm/problem/14399素数回文   https://ac.nowcoder.com/acm/problem/14703逆序对   https://ac.nowcoder.com/acm/problem/14731素数分布   https://ac.nowcoder.com/acm/problem/54580Forsaken喜欢数论   https://ac.nowcoder.com/acm/problem/53079漂亮数   https://ac.nowcoder.com/acm/problem/224933H、Diff-prime Pairs   https://ac.nowcoder.com/acm/problem/17247立方数   https://ac.nowcoder.com/acm/problem/201985绿魔法师   https://ac.nowcoder.com/acm/problem/20812最大公约数(lcm)   https://ac.nowcoder.com/acm/problem/16710同余方程   https://ac.nowcoder.com/acm/problem/50565【模板】同余方程   https://ac.nowcoder.com/acm/problem/229005[NOIP2012]同余方程   https://ac.nowcoder.com/acm/problem/16563华华对月月的忠诚   https://ac.nowcoder.com/acm/problem/23050异或(xor)   https://ac.nowcoder.com/acm/problem/16559斐波那契   https://ac.nowcoder.com/acm/problem/200184斐波那契   https://ac.nowcoder.com/acm/problem/18264一个小问题   https://ac.nowcoder.com/acm/problem/15068数学题   https://ac.nowcoder.com/acm/problem/20667[SDOI2008]仪仗队   https://ac.nowcoder.com/acm/problem/20313华华给月月出题   https://ac.nowcoder.com/acm/problem/23047月月给华华出题   https://ac.nowcoder.com/acm/problem/23048数字权重   https://ac.nowcoder.com/acm/problem/18985[AHOI2005]SHUFFLE 洗牌   https://ac.nowcoder.com/acm/problem/19872[HAOI2012]容易题(EASY)   https://ac.nowcoder.com/acm/problem/19989[HAOI2016]放棋子   https://ac.nowcoder.com/acm/problem/19999[SCOI2010]字符串   https://ac.nowcoder.com/acm/problem/20277[NOIP2011]计算系数   https://ac.nowcoder.com/acm/problem/16596[NOIP2013]转圈游戏   https://ac.nowcoder.com/acm/problem/16525大水题   https://ac.nowcoder.com/acm/problem/15079无关(relationship)   https://ac.nowcoder.com/acm/problem/16513[JSOI2011]分特产   https://ac.nowcoder.com/acm/problem/20189魔改森林   https://ac.nowcoder.com/acm/problem/200324Frogs   https://ac.nowcoder.com/acm/problem/124160最后的晚餐(dinner)   https://ac.nowcoder.com/acm/problem/19857守护白起   https://ac.nowcoder.com/acm/problem/15069造一造   https://ac.nowcoder.com/acm/problem/15077递推   https://ac.nowcoder.com/acm/problem/14607愉快的递推式   https://ac.nowcoder.com/acm/problem/25354又见斐波那契   https://ac.nowcoder.com/acm/problem/15666粉嘤花之恋   https://ac.nowcoder.com/acm/problem/189871408   https://ac.nowcoder.com/acm/problem/19832公式题（2）   https://ac.nowcoder.com/acm/problem/20661游戏   https://ac.nowcoder.com/acm/problem/20909红色和紫色   https://ac.nowcoder.com/acm/problem/223888Game   https://ac.nowcoder.com/acm/problem/201610小石的签到题   https://ac.nowcoder.com/acm/problem/26212游戏   https://ac.nowcoder.com/acm/problem/18388小牛vs小客   https://ac.nowcoder.com/acm/problem/15065硬币游戏   https://ac.nowcoder.com/acm/problem/18993石子游戏   https://ac.nowcoder.com/acm/problem/19156取石子游戏 1   https://ac.nowcoder.com/acm/problem/50614取石子游戏 2   https://ac.nowcoder.com/acm/problem/50615游戏   https://ac.nowcoder.com/acm/problem/19325收益   https://ac.nowcoder.com/acm/problem/18389卡牌游戏   https://ac.nowcoder.com/acm/problem/19777Happy Running   https://ac.nowcoder.com/acm/problem/15532只能吃土豆的牛牛   https://ac.nowcoder.com/acm/problem/208253[NOIP2009]Hankson的趣味题   https://ac.nowcoder.com/acm/problem/16610[NOIP2017]小凯的疑惑   https://ac.nowcoder.com/acm/problem/16414[NOIP2016]组合数问题   https://ac.nowcoder.com/acm/problem/16429计数器   https://ac.nowcoder.com/acm/problem/17873线段树与树状数组练习题 https://ac.nowcoder.com/acm/contest/26896?from=acdiscuss[USACO 2007 Jan S]Balanced Lineup   https://ac.nowcoder.com/acm/problem/25045践踏   https://ac.nowcoder.com/acm/problem/21125[JSOI2008]最大数MAXNUMBER   https://ac.nowcoder.com/acm/problem/20164[SCOI2007]降雨量   https://ac.nowcoder.com/acm/problem/20259签到题   https://ac.nowcoder.com/acm/problem/22593A Simple Problem with Integers   https://ac.nowcoder.com/acm/problem/51100A Simple Problem with Integers   https://ac.nowcoder.com/acm/problem/50454数据结构   https://ac.nowcoder.com/acm/problem/19246[AHOI2009]SEQ 维护序列SEQ   https://ac.nowcoder.com/acm/problem/19889区区区间   https://ac.nowcoder.com/acm/problem/200195外挂   https://ac.nowcoder.com/acm/problem/25879数星星 Stars   https://ac.nowcoder.com/acm/problem/50428小石的妹子   https://ac.nowcoder.com/acm/problem/26253迪拜的超市   https://ac.nowcoder.com/acm/problem/20960整数序列   https://ac.nowcoder.com/acm/problem/17877A Simple Problem with Integers   https://ac.nowcoder.com/acm/problem/17383珂朵莉的数列   https://ac.nowcoder.com/acm/problem/14522逆序数   https://ac.nowcoder.com/acm/problem/15163华华开始学信息学   https://ac.nowcoder.com/acm/problem/23054牛牛的最美味和最不美味的零食   https://ac.nowcoder.com/acm/problem/208250[SCOI2010]序列操作   https://ac.nowcoder.com/acm/problem/20279小H的询问   https://ac.nowcoder.com/acm/problem/15162Hotel   https://ac.nowcoder.com/acm/problem/24961红球进黑洞   https://ac.nowcoder.com/acm/problem/1942901串   https://ac.nowcoder.com/acm/problem/19469[USACO 2008 Nov G]Light Switching   https://ac.nowcoder.com/acm/problem/24984求最大值   https://ac.nowcoder.com/acm/problem/14402Forsaken的三维数点   https://ac.nowcoder.com/acm/problem/53370Lost Cows   https://ac.nowcoder.com/acm/problem/51101连续区间的最大公约数   https://ac.nowcoder.com/acm/problem/15557情人节的电灯泡   https://ac.nowcoder.com/acm/problem/15172换个角度思考   https://ac.nowcoder.com/acm/problem/19427[SDOI2009]HH的项链   https://ac.nowcoder.com/acm/problem/20325小魂和他的数列   https://ac.nowcoder.com/acm/problem/54585小翔和泰拉瑞亚   https://ac.nowcoder.com/acm/problem/54586[HEOI2012]采花   https://ac.nowcoder.com/acm/problem/20545Stars in Your Window   https://ac.nowcoder.com/acm/problem/51112[USACO 2007 Ope S]City Horizon   https://ac.nowcoder.com/acm/problem/25078[USACO 2012 Feb S]Overplanting   https://ac.nowcoder.com/acm/problem/24309[USACO 2010 Nov G]Cow Photographs   https://ac.nowcoder.com/acm/problem/24748RMQ与LCA练习题 https://ac.nowcoder.com/acm/problem/collection/1266?from=acdiscuss