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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 a=myStrlen(s);
  13. 	tmp=(int*)malloc(sizeof(int)*(2*a+1));
  14. 	for (int i = 0; i < a; i++) {
  15.         tmp[i] = s[i];
  16. 	}
  17. 	 for (int i = 0; i < a; i++) {
  18.         tmp[a + i-1] = s[a - i - 1];
  19. 	 }
  20. 	 return tmp;
  21. }
  22.  
  23.  
  24. //メイン関数はいじる必要はありません
  25. int main(){
  26.     int i;
  27.     char nyuryoku[1024]; //入力
  28.     char *kaibun;   //回文を受け取る
  29.     scanf("%s",nyuryoku);
  30.     kaibun = setPalindrome(nyuryoku);
  31.     printf("%s\n  -> %s\n",nyuryoku,kaibun);
  32.     free(kaibun);
  33.     return 0;
  34. }
Success #stdin #stdout 0s 5276KB
comments (?)
stdin
copy 
abcdfjk
stdout
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abcdfjk
  -> abcdfjkjfdcba
https://ideone.com/VMAHFC
language:
C (gcc 8.3)
created:
18 hours ago
visibility:
public

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