Задание по C

 #include  

#include  

 

void print(size_t n, size_t m, int** matrix, char* end) 

{ 

  for(size_t i = 0; i < n; ++i) { 

    for(size_t j = 0; j < m; ++j) 

      printf("%4lu", matrix[i][j]); 

    printf("\n"); 

  } 

  printf("%s", end); 

} 

 

int main() 

{ 

  size_t n, m; 

  scanf("%lu %lu", &n, &m); 

  int** matrix; 

   

  matrix = malloc(n * sizeof(int*)); 

  for(size_t i = 0; i < n; ++i) { 

    matrix[i] = malloc(m * sizeof(int)); 

    for(size_t j = 0; j < m; ++j) 

      matrix[i][j] = 10 * (i+1) + j+1; 

  } 

     

  print(n, m, matrix, "\n"); 

   

  if(n < m) { 

    matrix = realloc(matrix, m * sizeof(int*)); 

    for(size_t i = n; i < m; ++i) { 

      matrix[i] = malloc(m * sizeof(int)); 

      for(size_t j = 0; j < m; ++j) 

        matrix[i][j] = 0; 

    } 

    n = m; 

  } 

  else if(m < n) { 

    for(size_t i = 0; i < n; ++i) { 

      matrix[i] = realloc(matrix[i], n * sizeof(int)); 

      for(size_t j = m; j < n; ++j) 

        matrix[i][j] = 0; 

    } 

    m = n; 

  } 

   

  print(n, m, matrix, "\n"); 

   

  for(size_t i = 0; i < n; ++i) 

    free(matrix[i]); 

  free(matrix); 

   

  return 0; 

}