Shared code

#include "bits/stdc++.h"
using namespace std;
#define mod 1000000007
#define ll long long
#define ff first
#define ss second
#define pb push_back
#define N 24
#define maxn 1000005
#define INF (int)1e9
 
int ans[102][maxn];
 
void solve(){
    int n,x;
    cin>>n>>x;
    int a[n+1];
    for(int i=1; i<=n; i++){
        cin>>a[i];
        ans[i][0] = 1;
    }
    for(int j = 1; j <= n; j++){
        for(int i = 1; i <= x; i++){
            ans[j][i] = ans[j - 1][i];
            if(a[j] <= i){
                ans[j][i] = (ans[j][i] + ans[j][i - a[j]]) % mod;
            }
        }
    }
    cout << ans[n][x] << endl;
}
 
int main(){
    // freopen("in.txt","w",stdout);
    // freopen("out.txt","r",stdin);
    ios_base::sync_with_stdio(0); cin.tie(0);
    ll t=1;
    // cin>>t;
    while(t--) solve();
}