#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;
//以下に必要な宣言を含めて書いてください
const int length = myStrlen(s);
if ((tmp
= (char*)malloc(length
+ 1)) == NULL
) { fputs("malloc は NULL を返しました。", stderr
); /*NOTREACHED*/
}
else {
for (int i = 0;; ++i) {
if (i < length)
tmp[i] = s[length - i - 1];
else {
tmp[length] = '\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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