#include <stdio.h>
#include <stdlib.h>
int myStrlen(char s[]){
int i;
for(i=0;s[i]!='\0';i++);
return i;
}
// iは文字数
char *setPalindrome(char s[]){
char *tmp;
int i,size;
size=myStrlen(s);
tmp
=(char*)malloc(sizeof(char)*(size
*2+1));
if(tmp==NULL){
return 0;
}
for(i=0;i<size;i++) tmp[i]=s[i];
for(i=0;i<size;i++) tmp[i+size]=s[size-i-1];
tmp[2*size]="\0";
return tmp;
}
//メイン関数はいじる必要はありません
int main(){
int i;
char nyuryoku[1024]; //入力
char *kaibun; //回文を受け取る
kaibun = setPalindrome(nyuryoku);
printf("%s\n -> %s\n",nyuryoku
,kaibun
); return 0;
}
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