Ch 3 Hangman

#include <iostream>
#include <string>
using namespace std;
 
int main()
{
    char ch;
    string solution;
    string list[] = { "the", "cat", "programming", "language", };
 
    int n = rand() % 4;
    solution = list[n];
 
    string guess(solution.length(), '_');
 
 
    while (true)
    {
        cout << guess << endl;
        cout << "Type letter: ";
        cin >> ch;
 
        for (int i = 0; i < solution.length(); i++)
        {
            if (ch == solution[i])
            {
                guess[i] = ch;
            }
        }
        if (solution == guess)
        {
            cout << solution << endl;
            cout << "Success!";
            break;
        }
    }
 
    return 0;
}