#include <stdio.h>
#include <stdlib.h>
int myStrlen(char s[]){
int i;
for(i=0;s[i]!='\0';i++);
return i;
}
// 関数の中でtmpに対してmallocして
// そこに回文を代入してreturnで返しましょう
char *setPalindrome(char s[]){
int i=0;
char *tmp;
int size = myStrlen(s);
tmp
= (char*)malloc(sizeof(char)*(size
*2+1)); if(tmp
== NULL
){printf("MALLOC ERROR"); return NULL;}
while(i<size){
tmp[i] = s[i];
i++;
}
i=0;
while(i<size*2){
tmp[i+size] = s[size-i-1];//-1しないとずれる
i++;
}
tmp[size*2] = '\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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