Submission #712681

#	Time	Username	Problem	Language	Result	Execution time	Memory
712681		cfjason	Knapsack (NOI18_knapsack)	C++17	37 / 100	1077 ms	340 KiB

knapsack

#include <bits/stdc++.h>
#include <climits>
#include <vector>
using namespace std;
int main(int argc, char *argv[]) {
  int s, n;
  cin >> s >> n;
  vector<int> dp(s + 1, INT_MIN);
  dp[0] = 0;
  int result = 0;
  for (int i = 0; i < n; i++) {
    int v, w, k;
    cin >> v >> w >> k;
    for (int q = s; q >= w; q--) {
      for (int j = 1; j <= k; j++) {
        if (q - j * w < 0)
          continue;
        dp[q] = max(dp[q], dp[q - j * w] + j * v);
      }
      result = max(result, dp[q]);
    }
  }
  cout << result << endl;
  return 0;
}

• Subtask 1: 0 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 0 / 24
• Subtask 5: 0 / 27