重修_c++入门 A+B 小玉买文具

注意题面看 luogu

https://www.luogu.org/problemnew/show/P1421

#include<bits/stdc++.h>
using namespace std;
int main()
{
    double sum=0;
    int a,b;
    cin>>a>>b;
    sum=b;
    sum/=10;
    sum+=a;
    sum/=1.9;
    a=sum;
    sum=a;
    cout<<sum;
}