KiKi非常喜欢网购,在一家店铺他看中了一件衣服,他了解到,如果今天是“双11”(11月11日)则这件衣服打7折,“双12” (12月12日)则这件衣服打8折,如果有优惠券可以额外减50元(优惠券只能在双11或双12使用),求KiKi最终所花的钱数。
数据范围:衣服价格满足 
一行,四个数字,第一个数表示小明看中的衣服价格,第二和第三个整数分别表示当天的月份、当天的日期、第四个整数表示是否有优惠券(有优惠券用1表示,无优惠券用0表示)。 注:输入日期保证只有“双11”和“双12”。
一行,小明实际花的钱数(保留两位小数)。(提示:不要指望商家倒找你钱)
1000.0 11 11 1
650.00
999.8 12 12 0
799.84
66.6 11 11 1
0.00
#include<stdio.h> int main() { float price,sum; int month,day,flag; scanf("%f%d%d%d",&price,&month,&day,&flag); if(month==11&&day==11) { sum=0.7*price; if(flag==1) { if(sum>=50) sum-=50; else sum=0; } } else if(month==12&&day==12) { sum=0.8*price; if(flag==1) { if(sum>=50) sum-=50; else sum=0; } } else { sum=price; } printf("%.2f",sum); return 0; }
#include<stdio.h> int main() { double y,jg;int month,day,flag=0; scanf("%lf%d%d%d",&y,&month,&day,&flag); if(month==11&&day==11) { jg=y*0.7; if(flag==1) jg-=50; } if(month==12&&day==12) { jg=y*0.8; if(flag==1) jg-=50; } if(jg<0) printf("0.00"); else printf("%.2f",jg); }
#include<iostream> #include<iomanip> using namespace std; int main(void) { float a, b, c, d; while (cin >> a >> b >> c >> d) { if (b == 11 && c == 11) { a = 0.7 * a; } else if (b == 12 && c == 12) { a = 0.8 * a; } if (d == 1) { a -= 50; if (a < 0) { a = 0; } } cout << fixed << setprecision(2) << a << endl; } return 0; }
import java.util.*; public class Main{ public static void main(String[] args){ Scanner in = new Scanner(System.in); double price = in.nextDouble(); int month = in.nextInt(); int day = in.nextInt(); int coupon = in.nextInt(); if(month==day&&month==12){ price = price*0.8; } if(month==day&&month==11){ price = price*0.7; } if(coupon==1){ price = price - 50; } System.out.printf("%.2f",price>0?price:0.0); } }
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); String str[] = sc.nextLine().split(" "); if(str[1].equals("11")&&str[2].equals("11")){ double money = Double.parseDouble(str[0]); double realmoney = money*0.7; if(str[3].equals("1")){ realmoney = realmoney - 50; if(realmoney<0){ realmoney = 0; } } System.out.printf("%.2f",realmoney); } else if(str[1].equals("12")&&str[2].equals("12")){ double money = Double.parseDouble(str[0]); double realmoney = money*0.8; if(str[3].equals("1")){ realmoney = realmoney - 50; if(realmoney<0){ realmoney = 0; } } System.out.printf("%.2f",realmoney); } else{ double money = Double.parseDouble(str[0]); double realmoney = money; System.out.printf("%.2f",realmoney); } } }
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner input=new Scanner(System.in);
double price=input.nextDouble();
int mm=input.nextInt();
int dd=input.nextInt();
int flag=input.nextInt();
if(mm==11&&dd==11) price*=0.7;
else if(mm==12&&dd==12) price*=0.8;
if(flag==1)price-=50;
price=price<0?0:price;
System.out.println(String.format("%.2f",price));
}
}
#include <iostream> int main() { float tr; int month , date , yn; scanf("%f %d %d %d",&tr, &month, &date, &yn); float num; if(month == 11 && date == 11) { if(yn == 1) num = tr * 0.7 - 50; else num = tr * 0.7; } if(month == 12 && date == 12) { if(yn == 1) num = tr * 0.8 - 50; else num = tr * 0.8; } if(num <= 0.0) printf("0.00"); else printf("%.2f",num); return 0; }
#include <stdio.h> int main() { float price, disc; int mon, day, discount; scanf("%f%d%d%d", &price, &mon, &day, &discount); if(mon == 11 && day == 11) disc = 0.7; else if(mon == 12 && day == 12) disc = 0.8; else disc = 1; price *= disc; if(discount) price -= 50; if(price < 0) price = 0; printf("%.2f\n", price); }
#include<stdio.h> int main() { double price; int month,date,have; scanf("%lf%d%d%d",&price,&month,&date,&have); int two11 = month==11&&date==11,two12 =month==12&&date==12; if(two11) price*=0.7; if(two12) price*=0.8; if(have&&(two11||two12)) price-=50; printf("%.2lf",price<0?0:price); }11行,应该算比较简洁了
#include<iostream> #include<iomanip> using namespace std; int main() { int month,day,coupon; float price; cin>>price>>month>>day>>coupon; float discount; bool cou_flag=false; if(month==11&&day==11) { discount=0.7; cou_flag=true; } else if(month==12&&day==12) { discount=0.8; cou_flag=true; } else discount=1; price=price*discount; if(cou_flag&&coupon==1) { if(price>50) cout<<fixed<<setprecision(2)<<price-50<<endl; else cout<<fixed<<setprecision(2)<<0.00<<endl; } else cout<<fixed<<setprecision(2)<<price<<endl; return 0; }
int main() { double a; int b,c,d; scanf("%lf%d%d%d",&a,&b,&c,&d); if(b==11&&c==11) { if(d==1) { if(0.7*a-50<=0) { printf("0.00"); } else { printf("%.2lf",0.7*a-50); } } else { printf("%.2lf",0.7*a); } } if(b==12&&c==12) { if(d==1) { if(0.8*a-50<=0) { printf("0.00"); } else { printf("%.2lf",0.8*a-50); } } else { printf("%.2lf",0.8*a); } } }
#include <stdio.h> int main() { double arr[4] = { 0 }; int i = 0; for(i = 0; i < 4; i++) { scanf("%lf ",&arr[i]); } double money = 0; money = arr[0]; if(arr[1] == 11 &&arr[2] == 11) { money = arr[0]*0.7-arr[3]*50; } if(arr[1] == 12 && arr[2] == 12) { money = arr[0]*0.8 - arr[3] *50; } if(money > 0) printf("%.2lf", money); else printf("0.00"); return 0; }
#include <stdio.h> int main() { int m = 0; int d = 0; int flag = 0; float money = 0.0f; scanf("%f%d%d%d", &money, &m, &d, &flag); //双12 if(12 == m && 12 == d) { money *= 0.8; } //双11 else if(11 == m && 11 == d) { money *= 0.7; } //优惠券 if(flag) { money -= 50; //查看是否倒找钱 //因为倒找钱的情况只会出现在有优惠券的情况下,所有放在此循环内 if(money < 0) { money = 0; } } printf("%.2f\n", money); return 0; }
#include <stdio.h> int main() { double money; int a, b, c; while (scanf("%lf %d %d %d", &money, &a, &b, &c) != EOF) { double sum=0; if(a==11&&b==11) { sum=(money*0.7); }else if((a==12&&b==12)) { sum=(money*0.8); } if((c==1&&a==11&&b==11)||(c==1&&a==12&&b==12)) sum=sum-50; if(sum>0) printf("%.2lf\n",sum); else printf("%.2lf\n",0.00); } return 0; }