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#include <bits/stdc++.h>
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using namespace std;
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const int N = 1010;
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int n, m;
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int f[N];
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// 完全背包问题
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int main() {
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cin >> n >> m;
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for (int i = 1; i <= n; i++) {
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int v, w;
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cin >> v >> w;
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for (int j = v; j <= m; j++)
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f[j] = max(f[j], f[j - v] + w);
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}
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printf("%d\n", f[m]);
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return 0;
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} |
