제출 #1349990

#제출 시각아이디문제언어결과실행 시간메모리
1349990bakhtiyarnKnapsack (NOI18_knapsack)C++20
73 / 100
1096 ms2628 KiB
#include <bits/stdc++.h>
using namespace std;
#define int long long

const int N = 3e5+5;
int v[N], w[N], k[N];

// for(int i=1; i<=n; i++) 
void solve(){
  int S, n; cin >> S >> n;
  for(int i=1; i<=n; i++) cin >> v[i] >> w[i] >> k[i];
  
  vector<int> dp(S+1);
  for(int i=1; i<=n; i++) {
    vector<int> n_dp(S+1);
    for(int s=1; s<=S; s++){
      n_dp[s] = dp[s];
      for(int cnt=1; cnt<=k[i]; cnt++){
        if(cnt * w[i] > s) break;
        n_dp[s] = max(n_dp[s], dp[s-cnt*w[i]] + cnt * v[i]);
      }
    }
    dp = n_dp;
  }
  
  cout << dp[S];
}

signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  solve();
}
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