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29 lines
498 B
C++
29 lines
498 B
C++
#include <iostream>
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using std::cin;
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using std::cout;
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const char endl = '\n';
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const int N = 205;
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int m, n, w[N], c[N], f[N][N];
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int main() {
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std::ios::sync_with_stdio(false);
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cin >> m >> n;
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for (int i = 1; i <= n; i++) {
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cin >> w[i] >> c[i];
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}
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for (int i = 1; i <= n; i++) {
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for (int j = m; j; j--) {
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f[i][j] = std::max(f[i - 1][j], j - w[i] >= 0 ? f[i - 1][j - w[i]] + c[i] : -1);
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}
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}
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cout << f[n][m] << endl;
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return 0;
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}
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