#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[]){
char *tmp;
int i,size;
size = myStrlen(s);
tmp
= (char *)malloc(sizeof(char)*(2*size
+1)); if(tmp == NULL){
return NULL; //void型なので何も返さず終了
}
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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