likecs

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

int n;
vector<int> a;
int dp[1<<20][2];

int rec(int lft_mask, int turn) {
	if (lft_mask == 0) {
		return 0;

likecs

/******************************************
*    AUTHOR:         BHUVNESH JAIN        *
*    INSTITUITION:   BITS PILANI, PILANI  *
******************************************/
#include <bits/stdc++.h>
using namespace std;
 
typedef long long LL; 
typedef long double LD;