Submission #1349989

#TimeUsernameProblemLanguageResultExecution timeMemory
1349989bakhtiyarnKnapsack (NOI18_knapsack)C++20
73 / 100
116 ms327680 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<vector<int>> dp(n+1, vector<int>(S+1));
  for(int i=1; i<=n; i++) {
    for(int s=1; s<=S; s++){
      dp[i][s] = dp[i-1][s];
      for(int cnt=1; cnt<=k[i]; cnt++){
        if(cnt * w[i] > s) break;
        dp[i][s] = max(dp[i][s], dp[i-1][s-cnt*w[i]] + cnt * v[i]);
      }
    }
  }
  
  cout << dp[n][S];
}

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