Submission #1312182

#	Time	Username	Problem	Language	Result	Execution time	Memory
1312182		kshan	Knapsack (NOI18_knapsack)	C++20	0 / 100	159 ms	327680 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;

void solve() {
  int s, n;
  cin >> s >> n;
  vector<int> values, weights;
  for (int i = 0; i < n; i++) {
    int v, w, k;
    cin >> v >> w >> k;
    for (int j = 0; j < k; j++) {
      values.push_back(v);
      weights.push_back(w);
    }
  }

  vector<vector<int>> dp(values.size() + 1, vector<int>(s + 1));
  for (int i = 1; i <= values.size(); i++) {
    for (int j = 1; j <= s; j++) {
      if (weights[i - 1] <= j) {
        dp[i][j] =
            max(dp[i - 1][j], dp[i - 1][j - weights[i - 1]] + values[i - 1]);
      } else {
        dp[i][j] = dp[i - 1][j];
      }
    }
  }
  cout << dp[n][s] << "\n";
}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  // freopen("speed.in", "r", stdin);
  // freopen("speed.out", "w", stdout);
  int t = 1;
  // cin >> t;
  while (t--) {
    solve();
  }
  return 0;
}

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