제출 #684274

#제출 시각아이디문제언어결과실행 시간메모리
684274mannshah1211Knapsack (NOI18_knapsack)C++14
49 / 100
103 ms262144 KiB
#include <bits/stdc++.h>
using namespace std;

int main(){
  int s, n;
  cin >> s >> n;
  
  vector<int> val(n), wt(n), num(n);
  for(int i = 0; i < n; i++){
    cin >> val[i] >> wt[i] >> num[i];
  }
  
  vector<pair<int, int>> how;
  for(int i = 0; i < n; i++){
    for(int j = 0; j < min(s / wt[i], num[i]); j++){
      how.push_back({val[i], wt[i]});
    }
  }
                    
  int sz = how.size();
  int dp[sz + 1][s + 1];
  
  for(int i = 0; i <= sz; i++){
    for(int j = 0; j <= s; j++){
      if(i == 0 || j == 0){
        dp[i][j] = 0;
      }
    }
  }
  
  for(int i = 1; i <= sz; i++){
    for(int j = 1; j <= s; j++){
      if(how[i - 1].second <= j){
        dp[i][j] = max(dp[i - 1][j], dp[i - 1][j - how[i - 1].second] + how[i - 1].first);
      } else{
        dp[i][j] = dp[i - 1][j];
      }
    }
  }
  
  cout << dp[sz][s] << '\n';
}
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