Submission #627366

#	Time	Username	Problem	Language	Result	Execution time	Memory
627366		c28dnv9q3	Catfish Farm (IOI22_fish)	C++17	0 / 100	25 ms	3160 KiB

fish

#include "fish.h"
#include <vector>

using namespace std;
using ll = long long;

ll max_weights(
  int N, int M, vector<int> X, vector<int> Y, vector<int> W
) {
  vector<int> v(N+5);
  for (int i = 0; i < M; i++)
    v[X[i]+5] += W[i];

  vector<ll> dp(N+5);
  for (int i = 1; i < N; i++) {
    dp[i+5] = max(
      dp[i+5-1],
      max(
        dp[i+5-3] + v[i+5] + v[i-2+5],
        dp[i+5-4] + v[i+5] + v[i-3+5]
      )
    );
  }
  return dp[N+4];
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 9
• Subtask 4: 0 / 14
• Subtask 5: 0 / 21
• Subtask 6: 0 / 17
• Subtask 7: 0 / 14
• Subtask 8: 0 / 16