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  1. #include<stdio.h>
  2. int conversion(int txt);
  3.  
  4. int main ()
  5. {
  6.     int ch1;
  7.  
  8.     printf("대소문자 변환기:");
  9.     ch1=getchar();
  10.     putchar(conversion(ch1));
  11. }
  12. int conversion(int txt)
  13. {
  14.     int num1 = 97-65;
  15.  
  16.     if (txt>='A' && txt<='Z')
  17.     return txt + num1;
  18.     else if (txt>='a' && txt<='z')
  19.     return txt - num1;
  20.     else
  21.     return -1;
  22. }
  23.  
Success #stdin #stdout 0s 2172KB
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대소문자 변환기:A
https://ideone.com/iJfTqV
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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