回答編集履歴

  ```c

  #include <stdio.h>

  #include <stdlib.h>

  #include <float.h>

  #include <gmp.h>

 

  {

  save_result_to_file(&permutation, "output1.csv");

  save_result_to_file(&combination, "output2.csv");

 

  void save_result_to_file(void (*func)(uint, uint, mpz_t*), char *file_name) {

  FILE *fp = fopen(file_name, "w");

  uint j, k;

  mpz_t result, overflow;

  mpf_t tmp_float;

  char result_type = (func == &permutation) ? 'P' : 'C';

  char *result_str;

 

  for (j = 0; j <= 100; j++)

  for (k = 0; k <= j; k++) {

  (*func)(j, k, &result);

  if (mpz_cmp(result, overflow) > 0) {

  } else if (mpz_cmp_ui(result, LIMIT) > 0) {

  mpf_set_z(tmp_float, result);

  gmp_asprintf(&result_str, "%.4FE", tmp_float);

  result_str = mpz_get_str(NULL, 10, result);

  }

  fprintf(fp, "%d%c%d,%s\n", j, result_type, k,

  free(result_str);

  }

  fclose(fp);

  mpz_clear(result);

  mpz_clear(overflow);

  mpf_clear(tmp_float);

 

  void permutation(uint m, uint n, mpz_t *r) {

  if (m == 0 || n == 0) {

  return;

  }

  ```