选择结构5

#include <iostream>
#include <cmath>
using namespace std;
int main(){
    int n;
    cin >> n;
    int a1 = n*0.1;
    int b1 = n*0.2;
    int c1 = n*0.3;
    //向上取整
    int a2 = ceil(n*0.1);
    int b2 = ceil(n*0.2);
    int c2 = ceil(n*0.3);
    //注意数据的处理
    cout << a2 - a1 << " "<< a2 - a1 + b2 - b1 << " "<< a2 - a1 + b2 - b1 + c2 - c1;
    return 0;
}