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  1. #include <stdio.h>
  2. #include <ctype.h>
  3. #include <string.h>
  4.  
  5. #define MAX_MSG_LEN 100
  6.  
  7. /* Declaration */
  8. void palindrome(char *msg);
  9.  
  10. /* Implementation */
  11. void palindrome(char *msg) {
  12.  
  13. 	memset(msg, '\0', MAX_MSG_LEN);
  14. 	char *t = msg;
  15. 	while(1){
  16. 		*msg = getchar();
  17. 		if(*msg == ' ' || *msg == ','){
  18. 			continue;
  19. 		}
  20. 		if(*msg == '.' || *msg == '!' || *msg == '?')
  21. 			break;
  22. 		*msg = toupper(*msg);
  23. 		msg++;
  24. 	}
  25. 	for(int i = 0;i < (msg - t) / 2;i++){
  26. 		if(*(t + i) != *(msg - i)){
  27. 		printf("Not a palindrome");
  28. 		return;
  29. 		}
  30. 	}
  31. 	printf("Palindrome");
  32. 	return;
  33. }
  34.  
  35. int main(void) {
  36.  
  37.     char msg[MAX_MSG_LEN];
  38.  
  39.     palindrome(msg);
  40.  
  41.     return 0;
  42. }
  43.  
  44.  
  45.  
  46.  
  47.  
  48.  
  49.  
Success #stdin #stdout 0.01s 5284KB
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hanah.
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Not a palindrome
https://ideone.com/C9CntP
language:
C (gcc 8.3)
created:
16 hours ago
visibility:
public

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