2000. Reverse Prefix of Word.cpp

#include <string>
using namespace std;

class Solution
{
public:
    string reversePrefix(string word, char ch)
    {
        auto it = word.begin();
        while (it != word.end() && *it != ch)
        {
            ++it;
        }
        if (it != word.end() && *it == ch)
        {
            reverse(word.begin(), ++it);
        }
        return word;
    }
};