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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.  
  10. char *setPalindrome(char s[]){
  11. 	char *tmp;
  12. 	int len,i;
  13.  
  14.     len=myStrlen(s);
  15.  
  16.     tmp=(char*)malloc((len*2+1)*sizeof(char));
  17.  
  18.     for(i=0;i<len;i++){
  19.         tmp[i]=s[i];
  20.     }
  21.  
  22.     for(i=0;i<len;i++){
  23.         tmp[len+i]=s[len-1-i];
  24.     }
  25.  
  26.     tmp[len * 2] = '\0';
  27.  
  28.     return tmp;
  29. }
  30.  
  31.  
  32.  
  33.  
  34. int main(){
  35.     int i;
  36.     char nyuryoku[1024]; 
  37.     char *kaibun;   
  38.     scanf("%s",nyuryoku);
  39.     kaibun = setPalindrome(nyuryoku);
  40.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  41.     free(kaibun);
  42.     return 0;
  43. }
  44.  
Success #stdin #stdout 0s 5320KB
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stdin
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anm
stdout
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anm
  -> anmmna
https://ideone.com/62cacu
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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