#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[])
{ /*s=入力した文字列*/
char *tmp;
// 以下に必要な宣言を含めて書いてください
int i;
int len = myStrlen(s);
tmp
= malloc(sizeof(char) * (len
* 2 + 1)); // 2倍のサイズでメモリを確保 if (tmp == NULL)
{
return 0;
}
int y = len; // 末尾の位置を設定
for (i = 0; i < len; i++)
{
tmp[i] = s[i];
}
for (int x = y - 1; x >= 0; x--)
tmp[i++] = s[x];
tmp[i] = '\0'; // 文字列の終端を設定
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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