Submission #652387

#	Time	Username	Problem	Language	Result	Execution time	Memory
652387		Blagoj	Catfish Farm (IOI22_fish)	C++17	3 / 100	85 ms	7280 KiB

fish

#include "fish.h"
#include <bits/stdc++.h>

using namespace std;

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
  
  bool Even = true, Less = true;
  long long sum1 = 0, sum2 = 0, c = 0;
  for (auto x : X)
  {
    if (x % 2 != 0)
    {
      Even = false;
    }
    if (x > 1)
    {
      Less = false;
    }
    if (x == 0)
    {
      sum1 += W[c];
    }
    if (x == 1)
    {
      sum2 += W[c];
    }
    c++;
  } 
  if (Even)
  {
    long long sum = 0;
    for (auto x : W)
    {
      sum += x;
    }
    return sum;
  }
  if (Less)
  {
    return max(sum1, sum2);
  }
  long long dp[N + 3], p[N + 3];
  memset(dp, 0, sizeof(dp));
  memset(p, 0, sizeof(p));
  for (int i = 0; i < M; i++)
  {
    p[X[i]] = W[i];
  }
  dp[0] = 0;
  dp[1] = max(p[0], p[1]);
  for (int i = 2; i < M; i++)
  {
    dp[i] = max(dp[i - 2] + p[i], dp[i - 1]);
  }
  return dp[M - 1];
}

• Subtask 1: 3 / 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