http://acm.hdu.edu.cn/showproblem.php?pid=2021
#include <bits/stdc++.h>
using namespace std;
int a[111],b[111];
int Money(int n)
{
    int zzt=0;
    if(n%100==0)
        zzt+=(n/100);
    else
    {
        int ar;
        ar=n/100;
        n=n-ar*100;
        if(n%50==0)
            zzt=ar+(n/50);
        else
        {
            int b;
            b=n/50;
            n=n-b*50;
            if(n%10==0)
                zzt=ar+b+(n/10);
            else
            {
                int c;
                c=n/10;
                n=n-c*10;
                if(n%5==0)
                    zzt=ar+b+c+(n/5);
                else
                {
                    int d;
                    d=n/5;
                    n=n-d*5;
                    if(n%2==0)
                        zzt=ar+b+c+d+(n/2);
                    else
                    {
                        int e;
                        e=n/2;
                        n=n-e*2;
                        zzt=ar+b+c+d+e+n;
                    }
                }
            }
        }
    }
    return zzt;
}
int main()
{
    int M;
    while(cin>>M)
    {
        int sum=0;
        if(M==0)
            break;
        for(int i=1; i<=M; i++)
        {
            cin>>a[i];
            b[i]=Money(a[i]);
        }
        for(int i=1; i<=M; i++)
        {
            sum+=b[i];
        }
        cout<<sum<<endl;
    }
    return 0;
}
原文:https://www.cnblogs.com/zlrrrr/p/9226216.html