Bits_Basics

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

int bintodec(string &s)
{
	int num = 0;
	//32 bit;;
	//0 ---------31
	//0----------30
	for (int i = 0; i < s.length(); i++) {
		num += (1LL << i) * (s[i] - '0');
	}
	return num;
}

bool powoftwo(int &num) {
	int count = 0;
	for (int i = 0; i <= 30; i++)
	{
		if ((num & (1LL << i))) count++;
	}
	if (count <= 1) return true;
	return false;
}

void printbinary(int &x)
{
	//32 bit representable number
	for (int i = 0; i < 31; i++)
	{
		if ((1LL << i)&x) cout << 1;
		else cout << 0;
	}
	cout << endl;
}
int main()
{
	// string s; cin >> s;
	// //binary string
	// int num = bintodec(s);
	// cout << num << endl;


	// int num; cin >> num;
	// if (powoftwo(num)) {
	// 	cout << "YES" << endl;
	// }
	// else cout << "NO" << endl;


	// int x; cin >> x;
	// printbinary(x);



/////////////////property 1
	// int a = 5, b = 18;
	// int c = (a ^ b);
	// cout << "a^b==c" << " " << (a ^ b) << endl;
	// cout << "c^b==a" << " " << (c ^ b) << endl;
	// cout << "c^a==b" << " " << (c ^ a) << endl;


///////////property 2
	cout << (5 ^ 5 ^ 5 ^ 5) << endl;
	cout << (5 ^ 5 ^ 5) << endl;
	return 0;
}