Submission #667884

#	Time	Username	Problem	Language	Result	Execution time	Memory
667884		600Mihnea	Treasure (different grader from official contest) (CEOI13_treasure2)	C++17	44 / 100	1 ms	424 KiB

treasure

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

using namespace std;

const int N = 100 + 7;
int s1[N][N], s2[N][N];
bool deja = 0;
bool ok;
int n;

int pref(int r, int c)
{
  if (r <= 0 || c <= 0)
  {
    return 0;
  }
  if (s1[r][c] == -1)
  {
    ok = 0;
  }
  return s1[r][c];
}

int suf(int r, int c)
{
  if (r > n || c > n)
  {
    return 0;
  }
  if (s2[r][c] == -1)
  {
    ok = 0;
  }
  return s2[r][c];
}

int get(int r, int c)
{
  ok = 1;
  //int spref = pref(r, c) - pref(r - 1, c) - pref(r, c - 1) + pref(r - 1, c - 1);
  //assert(ok);

  int ssuf = suf(r, c) - suf(r + 1, c) - suf(r, c + 1) + suf(r + 1, c + 1);

  assert(ok);
  return ssuf;
}



void findTreasure(int nn)
{
  n = nn;
  for (int i = 0; i < N; i++)
  {
    for (int j = 0; j < N; j++)
    {
      s1[i][j] = s2[i][j] = -1;
    }
  }
  assert(deja == 0);
  deja = 1;
  for (int i = 1; i <= n; i++)
  {
    for (int j = 1; j <= n; j++)
    {
     /// s1[i][j] = countTreasure(1, 1, i, j);
      s2[i][j] = countTreasure(i, j, n, n);
    }
  }
  for (int i = 1; i <= n; i++)
  {
    for (int j = 1; j <= n; j++)
    {
      if (get(i, j))
      {
        Report(i, j);
      }
    }
  }
}

• Subtask 1: 44 / 100