目录

思路

代码

思路

代码

#include <iostream>
#include <algorithm>

using namespace std;
using LL = long long;

const int N = 1e2 + 9;
const int mod = 1e6 + 7;


int n,m;
LL a[N];
LL f[N][N];

void solve()
{
	cin >> n >> m;
	
	f[0][0] = 1;
	
	for (int i = 1;i <= n;i ++) cin >> a[i];
	
	for (int i = 1;i <= n;i ++)
		for (int j = 0;j <= m;j ++)
			for (int k = 0;k <= a[i] && k <= j;k ++)
				f[i][j] = (f[i][j] + f[i - 1][j - k]) % mod;
	
	cout << f[n][m] << endl;	
}