21 lines
399 B
C++
21 lines
399 B
C++
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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 v[N], w[N];
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int f[N];
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int main() {
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cin >> m >> n;
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for (int i = 1; i <= n; i++) cin >> v[i] >> w[i];
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// 01背包模板
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for (int i = 1; i <= n; i++)
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for (int j = m; j >= v[i]; j--)
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f[j] = max(f[j], f[j - v[i]] + w[i]);
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printf("%d\n", f[m]);
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return 0;
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}
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