C++ 代码

#include<iostream>
#include<cstdio>
using namespace std;
int main(){
    int N;
    cin >> N;
    int a, b, c, d, e, f, g;
    cout << N << endl;
    a = (N-N%100) / 100;
    N -= a * 100;
    b = (N-N%50) / 50;
    N -= b * 50;
    c = (N-N%20) / 20;
    N -= c * 20;
    d = (N-N%10) / 10;
    N -= d * 10;
    e = (N-N%5) / 5;
    N -= e * 5;
    f = (N-N%2) / 2;
    N -= f * 2;
    g = N;
    cout << a << " nota(s) de R$ 100,00" << endl;
    cout << b << " nota(s) de R$ 50,00" << endl;
    cout << c << " nota(s) de R$ 20,00" << endl;
    cout << d << " nota(s) de R$ 10,00" << endl;
    cout << e << " nota(s) de R$ 5,00" << endl;
    cout << f << " nota(s) de R$ 2,00" << endl;
    cout << g << " nota(s) de R$ 1,00" << endl;
    return 0;
}