/C++/Nearly similar rectangles hackerrank solution

Nearly similar rectangles hackerrank solution

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll combinations(ll n)
{
	ll count=1;
	if(n<2)
	return 0;	
	else
	{
	   for(ll i=1;i<=2;i++)
		{
			count=count*n--;
			count=count/i;
		}
	}
	return count;
}

Similar codes

0 vote139 views1 answer
C++c
C++
0 vote148 views1 answer
Is palindrom
C++
3 votes136 views1 answer
Ue4 c++ print to screen
C++
1 vote119 views4 answers
C++ for loop syntax
C++
3 votes142 views1 answer
Max three values c++
C++
0 vote147 views1 answer
Armstrong number in cpp
C++
0 vote84 views1 answer
Footnote appears in the middle latex
C++
0 vote148 views1 answer
Electricity billing system project in c++
C++
1 vote119 views1 answer
Ue4 bind function to button clicked c++
C++
4 votes131 views1 answer
How to check if a value is inside an array in c++
C++