제출 #540559

#제출 시각아이디문제언어결과실행 시간메모리
540559ac2huKnapsack (NOI18_knapsack)C++14
17 / 100
3 ms1876 KiB
#include <bits/stdc++.h>
#ifdef DEBUG
#include "../templates/debug.h"
#else 
#define deb(x...)
#endif
using namespace std;
#define int long long 
int dp[(int)1e5 + 100][(int)2e3 + 10];
signed main() {
	iostream::sync_with_stdio(false);
	cin.tie(nullptr);cout.tie(nullptr);
        int s,n;cin >> s >> n;
        vector<array<int,3>> items(n);
        for(int i = 0;i<n;i++){
                for(int j = 0;j<3;j++)cin >> items[i][j];
        }
        for(int i =0;i<n;i++){
                for(int j = 1;j<=s;j++){
                        dp[i + 1][j] = dp[i + 1][j - 1];
                        dp[i + 1][j] = max(dp[i + 1][j], dp[i][j]);
                        if(j >= items[i][1])
                                dp[i + 1][j] = max(dp[i + 1][j], dp[i][j - items[i][1]] + items[i][0]);
                }
        }
        cout << dp[n][s] << "\n";
}
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