Submission #287242

#	Time	Username	Problem	Language	Result	Execution time	Memory
287242		Haunted_Cpp	Rectangles (IOI19_rect)	C++17	10 / 100	5 ms	384 KiB

rect

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

using namespace std;

long long count_rectangles(vector<vector<int> > mat) {
  const int r = mat.size();
  const int c = mat[0].size();
  if (r <= 2) {
    return 0;
  }
  if (c <= 2) {
    return 0;
  }
  // Subtask #3
  long long res = 0;
  const int linha = 1;
  for (int i = 1; i < c - 1; i++) {
    int cur = 0;
    int mx = 0;
    for (int j = i; j < c - 1; j++) {
      mx = max(mx, mat[linha][j]);
      if (mat[linha][j] >= mat[linha - 1][j] || mat[linha][j] >= mat[linha + 1][j]) {
        break;
      }
      if (mx >= mat[linha][i - 1] || mx >= mat[linha][j + 1]) {
        continue;
      }
      ++cur;
    }
    res += cur;
  }
	return res;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 22
• Subtask 5: 10 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28