26 lines
493 B
C++
26 lines
493 B
C++
#include <bits/stdc++.h>
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using namespace std;
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const int N = 110, mod = 1000007;
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int n, m;
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int f[N];
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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++) { // 从1到n种花
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int a;
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cin >> a; // 最多a盆
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for (int j = m; j >= 0; j--) // 花m盆花
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for (int k = 1; k <= min(a, j); k++)
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f[j] = (f[j] + f[j - k]) % mod;
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}
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cout << f[m] << endl;
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return 0;
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}
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