codesnippet.cpp

// Nisarg Gogate
// VNIT

#include<bits/stdc++.h>
#define DEBUG_ON 0
#define int long long 
#define TESTCASES false
#define FASTIO true
#define DBG(x) if(DEBUG_ON) cout << #x << " == " << x << endl
#define FF first
#define SS second

const int inf = (int)1e18 + 1;
const int SIZE = (int)1e5+3;
const int MOD = (int)1e9+7;
using namespace std;

int exp(int x,int n)
{
 int ret= 1;
 while(n>0)
 {
 if(n%2)ret=(ret*x)%MOD;
 x=(x*x)%MOD;
 n=n/2;
 }
 return ret%MOD;
}
int inv(int x)
{
 return exp(x,MOD-2);
}
 
int ncr(int n,int r)
{
 if(r==0)return 1;
 if(n<r)return 0;
 int ret = n*ncr(n-1,r-1);
 ret%=MOD;
 ret*=inv(r);
 ret%=MOD;
 return ret;
}

int solve(int n)
{
 int i,j,ans=0;
 vector<int> arr(n,0);
 for (auto &it : arr) cin >> it;
 
}

void main_code()
{
	int i,j,n,k;
 cin>>n;
 cout<<solve(n)<<endl;
}

signed main()
{
 // freopen("input.txt", "r", stdin);
 // freopen("output.txt", "w", stdout);
	
 if(FASTIO)
 {
 ios_base::sync_with_stdio(false);
 cin.tie(NULL);
 }
 int T = 1;
 
 if(TESTCASES)
 cin >> T;

 while(T--)
 main_code();
 
}