#include <cstdio>

using namespace std;

int main(){
    double N;
    int zh;
    int c[6]={100,50,20,10,5,2};
    int b[6] = {100, 50, 25, 10, 5, 1};  
    scanf("%lf",&N);
    int amount = (int)(N * 100 + 0.5);

    printf("NOTAS:\n");

    for(int i=0;i<6;i++){
        zh = amount/(c[i]*100);
        printf("%d nota(s) de R$ %d.00\n",zh,c[i]);
        amount %= (c[i] * 100);

    }
    printf("MOEDAS:\n");
    for(int i=0;i<6;i++){
        zh = amount/b[i];
        printf("%d moeda(s) de R$ %.2f\n",zh,b[i]/100.00);
        amount %= b[i];

    }


    return 0;
}

关键在于避免double精度丢失问题，于是全部转化为“分”的级别进行处理。