Daily-Problems-LeetCode/179.LargestNumber.cpp at main · frostbyte012/Daily-Problems-LeetCode · GitHub

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#include<bits/stdc++.h>
using namespace std;

class Solution {


public:
   static bool check(string &s1, string &s2)
    {
        return (s1+s2)>=(s2+s1);
    }

public:
    string largestNumber(vector<int>& nums) {

        int count=0;

        vector<string> numbers;

        for(int i=0;i<nums.size();i++)
        {
            if(nums[i]==0)
            {
                count++;
            }
        }

        if(count==nums.size())
            return "0";

        for(int i=0;i<nums.size();i++)
        {
            numbers.push_back(to_string(nums[i]));
        }

        sort(numbers.begin(),numbers.end(),check);

        string s="";

        for(int i=0;i<numbers.size();i++)
        {
            s+=numbers[i];
        }


        return s;

    }
};