22 lines
382 B
C++
22 lines
382 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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typedef long long LL;
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const int N = 20;
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const int M = 3010;
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int n, m;
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LL v[N];
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LL f[M];
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int main() {
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cin >> n >> m;
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f[0] = 1;
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for (int i = 1; i <= n; i++) {
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cin >> v[i];
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for (int j = v[i]; j <= m; j++)
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f[j] += f[j - v[i]];
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}
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printf("%lld\n", f[m]);
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return 0;
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}
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