Submission #1131652

#	Time	Username	Problem	Language	Result	Execution time	Memory
1131652		khoi13209	Knapsack (NOI18_knapsack)	C++20	0 / 100	0 ms	324 KiB

knapsack

/**
 *  author:  daotuankhoi
 *  created: 29.09.2024 20:25:04
**/
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "algo/debug.h"
#else
#define debug(...) 42
#endif

int64_t dp[200005];

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, m; cin >> n >> m;
  vector<int64_t> we(1), va(1);
  for (int i = 1; i <= n; i++) {
    int64_t w, v, a;
    cin >> w >> v >> a;
    int64_t bit = 1;
    while (bit <= a) {
      we.emplace_back(w * bit);
      va.emplace_back(v * bit);
      a -= bit;
      bit <<= 1;
    }
    if (a > 0) {
      we.emplace_back(w * a);
      va.emplace_back(v * a);
    }
  } 
  for (int i = 1; i < we.size(); i++) {
    for (int j = m; j >= we[i]; j--) {
      dp[j] = max(dp[j], dp[j - we[i]] + va[i]);
    }
  }
  cout << dp[m];
  return 0;
}

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