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  1. #include <stdio.h>
  2.  
  3.  
  4. int max3(int a, int b, int c) {
  5.     int max = a;
  6.     if (b > max) max = b;
  7.     if (c > max) max = c;
  8.     return max;
  9. }
  10.  
  11. int min3(int a, int b, int c) {
  12.     int min = a;
  13.     if (b < min) min = b;
  14.     if (c < min) min = c;
  15.     return min;
  16. }
  17.  
  18. int sum3(int a, int b, int c) {
  19.     return a + b + c;
  20. }
  21.  
  22. double average3(int a, int b, int c) {
  23.     return sum3(a, b, c) / 3.0;
  24. }
  25.  
  26. double variance3(int a, int b, int c) {
  27.     double avg = average3(a, b, c);
  28.     return ((a - avg) * (a - avg) +
  29.             (b - avg) * (b - avg) +
  30.             (c - avg) * (c - avg)) / 3.0;
  31. }
  32.  
  33.  
  34. int main(void) {
  35.     int x, y, z;
  36.  
  37.     printf("3つの整数を入力してください: ");
  38.     scanf("%d %d %d", &x, &y, &z);  
  39.  
  40.     printf("最大値  : %d\n",   max3(x, y, z));
  41.     printf("最小値  : %d\n",   min3(x, y, z));
  42.     printf("合計値  : %d\n",   sum3(x, y, z));
  43.     printf("平均値  : %.6f\n", average3(x, y, z));
  44.     printf("分散値  : %.6f\n", variance3(x, y, z));
  45.  
  46.     return 0;
  47. }
Success #stdin #stdout 0.01s 5292KB
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stdin
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5 10 15
stdout
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3つの整数を入力してください: 最大値  : 15
最小値  : 5
合計値  : 30
平均値  : 10.000000
分散値  : 16.666667
https://ideone.com/T2fjVw
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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