C :

#include<stdio.h>
int main(){
	int i,j,n;
	while(scanf("%d",&n)!=EOF && n!=0){
		int count=0;
		for(i=0;i<n;i++){
			scanf("%d",&j);
			while(j>=100){
				j=j-100;
				count++;
			}
			while(j>=50){
				j=j-50;
				count++;
			}
			while(j>=10){
				j=j-10;
				count++;
			}
			while(j>=5){
				j=j-5;
				count++;
			}
			while(j>=2){
				j=j-2;
				count++;
			}
			count=count+j;
		}
		printf("%d\n",count);
	}
	 
	return 0;
}

C++ :

#include<iostream>
#include<string.h>
using namespace std;

int  main() {
	int n, a[101],i,j,k;
	cin >> n;
	i = 0;
	k = n;
	while (n--) {
		cin >> a[i];
		i++;
	}
	j = 0;
	for (i = 0; i < k; i++) {
		if (a[i] >= 100) { j =j+ a[i] / 100; a[i] = a[i] % 100; }
		if(a[i]>=50) { j = j+(a[i] / 50); a[i] = a[i] %50; }
		if (a[i] >= 10) { j = j + (a[i] /10); a[i] = a[i] % 10; }
		if (a[i] >= 5) { j = j + (a[i]/ 5); a[i] = a[i] % 5; }
		if (a[i] >= 2) { j = j + (a[i] /2); a[i] = a[i] % 2; }
		if (a[i] >= 1) { j = j + (a[i] / 1); a[i] = a[i] % 1; }
	}cout << j<<endl;
	return 0;
}