sodoku.c

#include <stdio.h>
#include <stdlib.h>

int main() {
  int n = 3;
  int m = 3;
  int a[3][3] = { 0 };

  a[1][1] = 5;
  int x = 5;
  int b[10] = { 1, 3, 5, 7, 9, 2, 4, 6, 8 };

  int k = 0;
  for(int i = 0; i < n; i++) {
    for(int j = 0; j < m; j++)  {
      if (b[k] == x) {
        k++;
      }
      if (a[i][j] == 0) {
        a[i][j] = b[k];
      } else {
        continue;
      }
      k++;
    }
  }

  printf("\n");

  for(int i = 0; i < n; i++) {
    for(int j = 0; j < m; j++) {
      printf("%d", a[i][j]);
    }
    printf("\n");
  }
  return 0;
}