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  1. #include <stdio.h>
  2. #include <string.h>
  3. int main()
  4. {
  5.     char x[100], y, z;
  6.     int count;
  7.     printf("string=");
  8.     scanf("%s", x);
  9.  
  10.     count = 0;
  11.     y = 0;
  12.     while (count < 100){    
  13.         if (x[count]=='\0'){
  14.             break;
  15.         }
  16.         else {
  17.             count++;
  18.             y = x[count];
  19.             if ((y >= 'A') && (y <= 'Z')){
  20.                 z = y + 0x20;
  21.                 printf("%c", z);
  22.             }
  23.             else ((y >= 'a') && (y <= 'z'));{
  24.                 z = y - 0x20;
  25.                 printf("%c", z);
  26.             }           
  27.         }
  28.     }
  29.     return 0;
  30. }
Success #stdin #stdout 0s 1792KB
comments (?)
stdin 
mikeCAT
stdout 
string=IKEc#a!t4�
https://ideone.com/cX4N8E
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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