题解 | #【模板】01背包#

01背包模板

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 2e5 + 5;
int __t = 1, n, m;
void solve() {
    cin >> n >> m;
    vector<int> w(n + 1), v(n + 1), dp(m + 1);
    for (int i = 1; i <= n; i++)
        cin >> w[i] >> v[i];
    for (int i = 1; i <= n; i++)
        for (int j = m; j >= w[i]; j--)
            dp[j] = max(dp[j], dp[j - w[i]] + v[i]);
    cout << dp[m] << '\n';
    return;
}
int32_t main() {
#ifdef ONLINE_JUDGE
    ios::sync_with_stdio(false);
    cin.tie(0);
#endif
    cin >> __t;
    while (__t--)
        solve();
    return 0;
}