Submission #1087485

#	Time	Username	Problem	Language	Result	Execution time	Memory
1087485		juicy	Treasure (different grader from official contest) (CEOI13_treasure2)	C++17	100 / 100	1 ms	440 KiB

treasure

#include "treasure.h"

#include <bits/stdc++.h>

using namespace std;

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

int a[105][105];

void findTreasure(int n) {
  int m = n / 2;
  for (int i = n; i; --i) {
    for (int j = n; j; --j) {
      if (i <= m && j <= m) {
        a[i][j] = a[n][j] + a[i][n] - a[n][n] + countTreasure(i + 1, j + 1, n, n);
      } else if (i <= m && j > m) {
        a[i][j] = a[n][j] - countTreasure(i + 1, 1, n, j);
      } else if (j > m) {
        a[i][j] = countTreasure(1, 1, i, j);
      } else {
        a[i][j] = a[i][n] - countTreasure(1, j + 1, i, n);
      }
    }
  }  
  for (int i = 1; i <= n; ++i) {
    for (int j = 1; j <= n; ++j) {
      if (a[i][j] - a[i - 1][j] - a[i][j - 1] + a[i - 1][j - 1]) {
        Report(i, j);
      }
    }
  }
}

• Subtask 1: 100 / 100