제출 #965991

#제출 시각아이디문제언어결과실행 시간메모리
965991vjudge1Knapsack (NOI18_knapsack)C++17
73 / 100
293 ms262144 KiB
#include <bits/stdc++.h>
#define ll long long
using namespace std;

int s, n, k, v, w, cw, cv;
ll dp[2010], ans;
vector<pair<int, int>> item;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    cin >> s >> n;
    for(int i=0; i<n; i++) {
        cin >> v >> w >> k;
        k = min(k, s/w);
        while(k--) {
            item.push_back({w, v});
        }
    }
    for(auto i: item) {
        cw = i.first;
        cv = i.second;
        for(int j=s; j>=0; j--) {
            if(dp[j] == 0 && j != 0) continue;
            if(cw + j <= s) dp[cw+j] = max(dp[cw+j], dp[j]+cv);
        }
    }
    for(int i=0; i<=s; i++) {
        ans = max(ans, dp[i]);
    }
    cout << ans;
    return 0;
}
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