Shared code

#include <bits/stdc++.h>

using namespace std;

#define ll long long

long long MOD = 1e9 + 7;

void solve(int t)
{
    int n, x;
    cin >> n >> x;

    vector<int> c(n);

    vector<int> DP(x + 1, 0);

    DP[0] = 1;

    for (int i = 0; i < n; i++)
    {
        cin >> c[i];
    }

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j <= x; j++)
        {
            if ((j - c[i]) >= 0)
            {
                DP[j] = (DP[j - c[i]] + DP[j]) % MOD;
            }
        }
    }

    cout << DP[x];
    return;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    int t = 1;

    while (t--)
    {
        solve(t);
    }
    return 0;
}