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  1. #include <stdio.h>
  2. #include <ctype.h>
  3. #include <string.h>
  4.  
  5. int main() {
  6.     char str[] = "computer programming";
  7.     int length = strlen(str);
  8.  
  9.     for (int i = 0; i < length; i++) {
  10.         if (i % 2 == 0) {
  11.             str[i] = toupper(str[i]);
  12.         } else {
  13.             str[i] = tolower(str[i]);
  14.         }
  15.     }
  16.  
  17.     printf("%s\n", str);
  18.     return 0;
  19. }
Success #stdin #stdout 0s 5284KB
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Standard input is empty
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CoMpUtEr pRoGrAmMiNg
https://ideone.com/QvBeAf
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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