抽奖代码见帖子尾部，恭喜 784046 328263 655534分别获得本次活动额的《剑指Offer》《程序员代码面试指南》《程序员面试金典》  自去年清明上线 《剑指Offer》http://www.nowcoder.com/ta/coding-interviews  在线编程专题后，牛客先后上线了 《程序员面试金典》http://www.nowcoder.com/ta/cracking-the-coding-interview  《华为机试题》http://www.nowcoder.com/ta/huawei  《前端编程题》http://www.nowcoder.com/ta/front-end  等在线编程专题，日代码提交量逐日高升，今日将突破2222222次~  感谢大家的支持和反馈，题目的测试数据才能逐日优化！感谢一起战斗的同学！欢迎邀请更多的同学来牛客做在线编程题！  也欢迎大家购买牛客的算法精讲课 http://www.nowcoder.com/courses/1 用优惠码NC89可以立减10元~ 下周三4月13日我会在回帖用户里随机挑选三位分别送出《剑指Offer》《程序员代码面试指南》《程序员面试金典》  悄悄的说现在的牛客日均代码提交量可能是国内最大的在线编程练习平台了，回帖晒出你的代码提交成绩吧~~ python 2.7.11，用今天上证指数作为seed。import randomids = line.split(',')random.seed(3066.64)random.shuffle(ids)print ids[0], ids[1], ids[2] 附line，根据回帖排序  426198,689448,857645,416293,106963,951544,806693,533602,155019,567657,443671,819220,300486,697889,831414,319155,621385,608605,486079,746805,693671,200602,816069,242110,366722,515107,728323,897094,538808,452895,841960,323651,776509,907450,704303,648202,162588,839070,362311,309700,581074,361132,359970,983493,674258,653263,164651,105774,826546,294751,671382,170886,735723,616717,392587,556648,468667,949722,573505,479847,656168,925249,415611,692504,581261,191868,828061,361534,492597,916695,202601,410464,812987,207237,184431,673248,220853,352216,542394,302109,606365,579445,266346,620388,951527,724699,363139,563389,569469,224875,540014,624732,795420,550389,665631,246291,363868,474116,409596,514668,297371,482356,273625,557336,379135,668983,664973,56,270051,307981,801868,58,572695,890194,398318,799985,500378,516921,486890,206686,375623,941340,955031,139497,669575,212279,382725,174510,200638,852163,946573,773262,782284,198826,240812,279631,404513,576363,816403,272568,320380,753037,800726,428702,473612,392259,802591,804726,606270,718853,854218,308208,970257,199088,864892,153041,957257,820385,483708,106495,790486,516900,317199,132183,101878,408769,704230,121714,101857,447244,204771,121085,334705,896183,274572,118943,933694,743019,324925,166186,386648,358765,740073,998592,471423,997249,477578,661842,388744,347925,174821,968976,274211,614660,303450,612764,757197,615318,605343,317745,995571,415164,719184,559209,599171,745714,947965,850357,960273,694148,655534,345776,216663,883404,581403,950568,408143,148847,619360,628074,179684,866432,966092,879125,353151,939213,402511,930488,669569,516075,402352,843287,976425,597721,180766,847943,367261,631210,198385,647694,328263,651260,471169,763817,769931,984488,577521,324879,536859,885449,439416,947787,437214,236827,651170,774122,474248,141075,114991,401842,549785,471716,660823,956422,631224,363675,759160,606928,244845,946339,267628,366557,140217,397107,695264,575360,213693,142811,290252,925837,878034,239186,850362,138909,678051,498695,802206,231095,595432,767834,716759,317111,147713,375109,854922,641021,582860,784046,559403,166314,818686,833067,932073,514754,365364,571253,206311,243335,171780,806923,610118,154445,739564,420784,825096,651853,440359,913613,426855,728079,331643,690909,678790,276503,624258,427796,560375,773457,497999,808246,811489,505965,102885,116286,390778