100508. Find the Lexicographically Largest String From the Box I

[@Code-Review-c91]

#include
using namespace std;

class Solution {
public:
string answerString(string word, int numFriends) {
int N = word.size();
if(numFriends ==1) return word;
char c = *max_element(word.begin(), word.end());
string max_string = "";
for(int pos=0; pos