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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main(void) {
  5. 	char buffer[] = "Hello";
  6. 	size_t size = strlen(buffer);
  7. 	for(int i = 0; i < size / 2; i++) {
  8. 	   char tmp = buffer[i]; //armazena o character inicial
  9. 	   buffer[i] = buffer[size - i - 1]; //Troca o character da ponta oposta
  10. 	   buffer[size - i - 1] = tmp; //Armazena o character inicial no buffer
  11. 	}
  12. 	printf("%s", buffer);
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 2112KB
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olleH
https://ideone.com/XDEfis
language:
C99 (gcc 8.3)
created:
8 years ago
visibility:
public

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