// ①1～100の整数のうち「6の倍数」の個数を表示するプログラムを作成しなさい、ただし、for文とif文を用いて作成すること
// #include <stdio.h>
// int main()
// {
//   int i, cnt = 0;
//   for (i = 1; i <= 100; i++)
//     cnt += !(i % 6);
//   printf("%d個\n", cnt);
//   return 0;
// }
 
// ②1次元配列を用いて5人分の数学の得点を100点満点で入力し、「数学の得点の最小値と最大値」を画面表示、およびファイルに書き出すプログラムを作成しなさい。ただし、書き出し用ファイル名は「sugaku.txt」にしなさい。
#include <stdio.h>
int main()
{
  int i, a[5], min, max;
  char s[]="min=%d, max=%d\n";
  FILE *fp = fopen("sugaku.txt", "w");
  for (i = 0; i < 5; ++i) {
    printf("tensuu[%d]=", i);
    scanf("%d", a + i);
    if (i == 0) {
      min = max = a[i];
    } else {
      if (min > a[i])min = a[i];
      if (max < a[i])max = a[i];
    }
  }
  printf(s, min, max);
  fprintf(fp, s, min, max);
  return 0;
}
 

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