19 lines
401 B
C++
19 lines
401 B
C++
#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 = 1e4 + 10;
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LL f[N];
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int w[N];
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int main() {
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int m, n;
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scanf("%d%d", &n, &m);
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f[0] = 1;
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for (int i = 1; i <= n; i++) scanf("%d", &w[i]);
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for (int i = 1; i <= n; i++)
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for (int j = w[i]; j <= m; j++)
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f[j] += f[j - w[i]];
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printf("%lld\n", f[m]);
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return 0;
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}
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