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  1. #include <stdio.h>
  2.  
  3. char caesar(char c, int n) {
  4.     if (c >= 'A' && c <= 'Z') {
  5.         return 'A' + ( (c - 'A' + n + 26) % 26 );
  6.     } else if (c >= 'a' && c <= 'z') {
  7.         return 'a' + ( (c - 'a' + n + 26) % 26 );
  8.     } else {
  9.         return c; 
  10.     }
  11. }
  12.  
  13. int main() {
  14.     char c;
  15.     int shift;
  16.  
  17.     printf("文字を1つ入力してください: ");
  18.     scanf(" %c", &c);  
  19.  
  20.     printf("シフト量を入力してください: ");
  21.     scanf("%d", &shift);
  22.  
  23.     char result = caesar(c, shift);
  24.     printf("変換結果: %c\n", result);
  25.  
  26.     return 0;
  27. }
Success #stdin #stdout 0s 5276KB
comments (?)
stdin 
A
3
stdout 
文字を1つ入力してください: シフト量を入力してください: 変換結果: D
https://ideone.com/M5gL7t
language:
C (gcc 8.3)
created:
14 days ago
visibility:
public

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