洛谷【入门1】P1421 小玉买文具

#include <iostream>
using namespace std;
int main(){
    int a, b, rear = 0;
    cin >> a >> b;
    rear = (a * 10 + b) / 19;
    cout << rear << endl;
    return 0;
}

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来源： https://blog.csdn.net/weixin_43356538/article/details/110929921