1328B. K - Codeforces Solution C++

➤  Problem Link : 1328B. K 

✅ C++ Solution :

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

#define ll long long int
#define pb push_back
#define mp make_pair

int main()
{
	int t;
	cin>>t;
	while(t--)
	{
		ll n,k;
		cin>>n>>k;
		ll ind=2*k;
		ll val=sqrt(ind);
		if(val*(val+1) > ind )
			val--;
        
		int v=k-((val)*(val+1))/2;
		if(v==0)
		{
		    v=val-1;
		}
		else
		{
		    val++;
		    v--;
		}
       // cout<<val<<" "<<v<<endl;
		string s(n,'a');
		s[n-val-1]='b';
		s[n-1-v]='b';
		cout<<s<<endl;

		
	}
}

 

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About Utkarsh Gupta

I am a Member Technical at D.E. Shaw India Pvt. Ltd. CodingWithArt is a blog where you find tricks and solutions to challenging coding and development problems. I aim to build a universal tech platform for every enthusiast out there.