题解 | #反转字符串#

/*
class Solution {
public:
    string solve(string str) {
        // write code here
        reverse(str.begin(),str.end());
        return str;
    }
};
*/
class Solution {
public:
    /**
     * 反转字符串
     * @param str string字符串 
     * @return string字符串
     */
    string solve(string str) {
        // write code here
        int len=str.size();
        char temp;
        int cur;
        for(int i=0;i<len/2;i++){
            temp=str[i];
            cur=len-1-i;
            str[i]=str[cur];
            str[cur]=temp;
        }
        return str;
    }
};