Count Zero and Non Zero

            main()
            {
              int m[4][4], k, p, z = 0, nz = 0;
          
              for(k = 0; k <= 3; k = k + 1)
              {
                for(p = 0; p <= 3; p = p + 1)
                {
                  printf("Enter no");
                  scanf("%d", &m[k][p]);
                }
              }
              
              for(k = 0; k <= 3; k = k + 1)
              {
                for(p = 0; p <= 3; p = p + 1)
                {
                  printf("%d", m[k][p]);
          
                  if(m[k][p] == 0)
                  {
                    z++;
                  }
                  else
                  {
                    nz++;
                  }
                }
          
                printf("\n");
              }
          
              printf("\n zero %d", z);
              printf("\n non zero %d", nz);
          
              getch();
            }
          

Output: