LeetCode-344. Reverse String

Description
Write a function that takes a string as input and returns the string reversed.

Example:
Given s = "hello", return "olleh".

题目分析
本题要求返回所给字符串的逆序字符串。解决方法是直接逆序复制字符串，然后返回复制的逆序字符串。

C语言代码

char* reverseString(char* s) {
    int len=strlen(s),i=0,j=0;
    char *temp;
    temp=(char *)malloc(len+1);
    while(s[i]!='\0')
    {
        temp[i]=s[len-i-1];
        i++;
    }
    temp[len]='\0';
    return temp;
}

参考文献
[1] https://leetcode.com/problems/reverse-string/#/description