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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	char msg[5] = "azAZ";
  5. 	int key = 10;
  6. 	for(int i = 0; msg[i] != '\0'; i++) {
  7. 		char ch = msg[i];
  8.     	if (ch >= 'a' && ch <= 'z'){
  9.     	    ch = 'a' + (ch - 'a' + key) % 26;
  10. 	    } else if (ch >= 'A' && ch <= 'Z'){
  11.     	    ch = 'A' + (ch - 'A' + key) % 26;
  12. 	    }
  13. 	    msg[i] = ch;
  14. 	}
  15. 	printf("%s\n", msg); // dcDC
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 4196KB
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kjKJ
https://ideone.com/BgVrbX
language:
C (gcc 8.3)
created:
4 years ago
visibility:
secret

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