Ratsun reitit

#include <bits/stdc++.h>

using namespace std;

int arr[101][101];
int n;

void haku(int i, int j, int x) {
  if (x < arr[i][j]) {
    arr[i][j] = x;

    if (i-2 >= 0) {
      if (j-1 >= 0) haku(i-2, j-1, x+1);
      if (j+1 < n) haku(i-2, j+1, x+1);
    }

    if (i+2 < n) {
      if (j-1 >= 0) haku(i+2, j-1, x+1);
      if (j+1 < n) haku(i+2, j+1, x+1);
    }

    if (j-2 >= 0) {
      if (i-1 >= 0) haku(i-1, j-2, x+1);
      if (i+1 < n) haku(i+1, j-2, x+1);
    }

    if (j+2 < n) {
      if (i-1 >= 0) haku(i-1, j+2, x+1);
      if (i+1 < n) haku(i+1, j+2, x+1);
    }
  }
}

int main() {
  cin >> n;

  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      arr[i][j] = 99999;
    }
  }

  haku(0,0,0);

  for (int i = 0; i < n; i++) {
    for (int j = 0; j < n; j++) {
      cout << arr[i][j] << " ";
    }
    cout << "\n";
  }

  return 0;
}

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

Test 8

Group: 2, 3

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: ACCEPTED

Test 10

Group: 2, 3

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED