C++ 가장 많이 사용된 자리의 수

#include<stdio.h>
#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
 
int main(){
 
    int temp = 0, max_nums = 0, max_cnt = 0, i=0;
    
    string s;
    cin >> s;
    int s_length = s.size();
    int *arr = new int[s_length];
    
    for (char c : s){
        arr[i] = (int)c-48;
        i++;
    }
    
    for (int i = 0; i < s_length; i++){
        temp = count(arr, arr + s_length, arr[i]);
        
        if (temp > max_cnt){
            max_cnt = temp;
            max_nums = arr[i];
        }
 
        if ((max_cnt == temp) && (arr[i] > max_nums)){
            max_nums = arr[i];
        }
    }
 
    cout << max_nums << '\n';
    
    return 0;
}