1143A. The Doors - Codeforces Solution C++

➤  Problem Link : 1143A. The Doors 

✅ C++ Solution :

 
#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n,i;
	cin>>n;
	bool arr[n];
	for(int i=0;i<n;i++)
		cin>>arr[i];
	if(n==1)
	    cout<<"1";
	else if(n==2)
	{
	    if(arr[0]==arr[1])
	        cout<<"2";
	    else
	        cout<<"1";
	         
	}
	else
	{
	for(i=n-2;i>=0 && arr[i]==arr[n-1];i--);
	cout<<i+1;
	}

}

 

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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.