郑莉cpp习题6-22 用递归算法翻转字符串s

郑莉cpp习题6-22    用递归算法翻转字符串s

#include <iostream>
using namespace std;
#include <string>

void reverse(string &s,int left,int right){
    char t;
    if(left < right){
        t = s[left];
        s[left] = s[right];
        s[right] = t;
        reverse(s,++left,--right);
    }
}

void reverse(string &s){
    int size = s.size();
    reverse(s,0,size-1);
}

int main(){
    string s1 = "abcdefghijk";
    reverse(s1);
    cout << s1 << endl;
    return 0;
}

结果

kjihgfedcba