c++ string reverse order

Use the reverse() function defined in the <algorithm> library.

void reverse (BidirectionalIterator first, BidirectionalIterator last);

Its function is to reverse the iterator in a range, so when acting on a string, the string can be reversed.

#include<algorithm>
#include<iostream>
#include<sting>

using namespace std;

int main(){
    string orderstr = "hello world";
    cout << "正序字符串：" << orderstr << endl;
    reverse(orderstr.begin(), orderstr.end());
    cout << "逆序字符串：" << orderstr << endl;
}

--------------------------------------------------
正序字符串：hello world        
逆序字符串：dlrow olleh