HackerRank Bigger is Greater Solution

Problem Link :https://www.hackerrank.com/challenges/bigger-is-greater/problem

 Solution in C++:

///La ilaha illellahu muhammadur rasulullah

///******Bismillahir-Rahmanir-Rahim******///

///Abul Hasnat  Tonmoy

///Department of CSE,23rd batch

///Islamic University,Bangladesh

#include <bits/stdc++.h>

using namespace std;

int main()

{

    long long t;

    cin>>t;

    while(t--)

    {

        string s;

        cin>>s;

        if(next_permutation(s.begin(),s.end())==1)

        cout<<s<<endl;

        else

        cout<<"no answer"<<endl;

    }

}