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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int myStrlen(char s[]){
  5.     int i;
  6.     for(i=0;s[i]!='\0';i++);
  7.     return i;
  8. }
  9. char *setPalindrome(char s[]){
  10. 	char *tmp;
  11. 	int size=myStrlen(s);
  12. 	tmp=malloc(size*2+1);
  13.     	if(tmp == NULL){
  14.         printf("ERROR\n");
  15.         return 0;
  16.     }
  17.  
  18. 	for(int i=0;i<size;i++){
  19. 		tmp[i]=tmp[size*2-i-1]=s[i];
  20. 	}
  21. 	tmp[size*2]='\0';
  22. 	return tmp;
  23. }
  24.  
  25.  
  26. int main(){
  27.     int i;
  28.     char nyuryoku[1024];
  29.     char *kaibun;   
  30.     scanf("%s",nyuryoku);
  31.     kaibun = setPalindrome(nyuryoku);
  32.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  33.     free(kaibun);
  34.     return 0;
  35. }
  36.  
Success #stdin #stdout 0s 5304KB
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tmp
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tmp
  -> tmppmt
https://ideone.com/WMjeVn
2-2
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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