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1267. 【例9.11】01背包问题

http://ybt.ssoier.cn:8088/statusx.php?runidx=15592920
This commit is contained in:
Baoshuo Ren 2022-04-03 20:34:59 +08:00
parent c0d0f81ff3
commit c7b42548d4
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68

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ybt/1267/1267.cpp Normal file
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#include <iostream>
using std::cin;
using std::cout;
const char endl = '\n';
const int N = 205;
int m, n, w[N], c[N], f[N][N];
int main() {
std::ios::sync_with_stdio(false);
cin >> m >> n;
for (int i = 1; i <= n; i++) {
cin >> w[i] >> c[i];
}
for (int i = 1; i <= n; i++) {
for (int j = m; j; j--) {
f[i][j] = std::max(f[i - 1][j], j - w[i] >= 0 ? f[i - 1][j - w[i]] + c[i] : -1);
}
}
cout << f[n][m] << endl;
return 0;
}