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  1. #include <stdio.h>
  2. #define N 30
  3. typedef struct seito
  4. {
  5.     int num;
  6.     char lname[20];
  7.     char fname[20];
  8.     int point;
  9. } seito;
  10.  
  11.  
  12. int main(void)
  13. {
  14.     seito d[N], t;
  15.     char buf[100];
  16.     FILE *fp = fopen("seito.dat", "r");
  17.     int cnt = 0, i = 0, j, cmpCnt = 0;
  18.     while (fgets(buf, 100, fp) != NULL)
  19.     {
  20.         sscanf(buf, "%d %s %s %d", &d[i].num, d[i].lname, d[i].fname, &d[i].point);
  21.         i++;
  22.     }
  23.     cnt = i;
  24.     for (i = 1; i < cnt; i++)
  25.     {
  26.         t = d[i];
  27.         cmpCnt++;
  28.         if (d[i - 1].point < t.point)
  29.         {
  30.             j = i;
  31.             do
  32.             {
  33.                 d[j] = d[j - 1];
  34.                 j--;
  35.                 cmpCnt++;
  36.             }
  37.             while (j > 0 && d[j - 1].point < t.point);
  38.             d[j] = t;
  39.         }
  40.     }
  41.     printf("番号  氏名                   得点\n");
  42.     for (int i = 0; i < cnt; ++i)
  43.     {
  44.         printf("%4d  %-10s %-10s %4d\n", d[i].num, d[i].lname, d[i].fname, d[i].point);
  45.     }
  46.     printf("整列の為の比較回数=%d回\n", cmpCnt);
  47.     return 0;
  48. }
  49.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.c: In function ‘main’:
prog.c:42: error: redefinition of ‘i’
prog.c:17: error: previous definition of ‘i’ was here
prog.c:42: error: ‘for’ loop initial declaration used outside C99 mode
stdout
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Standard output is empty
https://ideone.com/MlfGYe
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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