AC（很简单）

#include<bits/stdc++.h>
using namespace std;
int a[7], b[7] = {0, 1, 2, 3, 5, 10, 20};
bool dp[1001];
int main() {
    for (int i = 1; i <= 6; i++)
        cin >> a[i];
    dp[0] = 1;
    for (int i = 1; i <= 6; i++) {
        for (int j = 1; j <= a[i]; j++) {
            for (int k = 1000; k >= 0; k--) {
                dp[k + b[i]] |= dp[k];
            }
        }
    }
    int cnt = 0;
    for (int i = 1; i <= 1000; i++) {
        if (dp[i]) cnt++;
    }
    printf("Total=%d", cnt);
    return 0;
}