fork download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int myStrlen(char s[]){
  5.     int n;
  6.     for(n=0;s[n]!='\0';n++);
  7.     return n;
  8. }
  9.  
  10. char *setPalindrome(char s[]){
  11.     int N=myStrlen(s);
  12.     char *t=(char *)malloc(2 * N * sizeof(char)+1);
  13.     for(int m=0;m<N;m++) {
  14.         t[m]=s[N-m-1];
  15.     }
  16.     for(int m=0;m<N;m++) {
  17.         t[m+N]=s[m];
  18.     }
  19.  
  20.     t[2 * N]='\0';
  21.  
  22.     return t;
  23. }
  24.  
  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. }
  35.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
copy 
abcd
stdout
copy 
abcd
  -> dcbaabcd
https://ideone.com/6Pa1Ym
language:
C (gcc 8.3)
created:
13 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!