CCF-CSP 201709-1 打酱油

问题描述

代码

#include<iostream>
using namespace std;int main(){
    int N;cin>>N;int price = 10;int num = 0;while(N){
    if(N<30){
    num = num+N/10;N=0;}else if (N == 30){
    num = num+4;N=0;}else if(N<50){
    num = num+5;N=0;}else{
    int i=N/50;N = N%50;num = num + 7*i;}}cout<<num;return 0;
}