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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     float v, h;
  5.     float s, l;
  6.        printf("縦の長さを入力してください: ");
  7.     scanf("%f", &v);
  8.     printf("横の長さを入力してください: ");
  9.     scanf("%f", &h);
  10.  
  11.    s = v * h;
  12.     l = 2 * (v + h);
  13.  
  14.     printf("長方形の面積: %f\n", s);
  15.     printf("長方形の周の長さ: %f\n", l);
  16.  
  17.     return 0;
  18. }
  19.  
Success #stdin #stdout 0.01s 5280KB
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stdin
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stdout
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縦の長さを入力してください: 横の長さを入力してください: 長方形の面積: 30.000000
長方形の周の長さ: 22.000000
https://ideone.com/5SDzrd
language:
C++ (gcc 8.3)
created:
175 days ago
visibility:
public

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