Андрей - подсчет символов -3

#include "pch.h"
using namespace System;
using namespace System::Windows::Forms;
#include <string>

String^ task(String^ str) {
    int maxpos = 0, maxcount = 0;
    Char maxSymbol;
    for (int i = 0; i < str->Length; i++) {
        Char Symbol = str[i];
        int count = 0;
        int startIndex = i;
        int j = i;
        while (j < str->Length && str[j] == Symbol) {
            count++;
            j++;
        }
        if (count > maxcount) {
            maxSymbol = Symbol;
            maxcount = count;
            maxpos = startIndex;
        }
    }

    str = str->Remove(maxpos, maxcount);
    String^ maxstr = maxcount.ToString() + maxSymbol.ToString();
    str = str->Insert(maxpos, maxstr);
    return str;
}