Submission #929498

#	Time	Username	Problem	Language	Result	Execution time	Memory
929498		Chinguun	Rack (eJOI19_rack)	C++14	Compilation error	0 ms	0 KiB

rack

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

#define int long long
#define ff first
#define ss second
#define pb push_back
#define meta int x = i * 2 + 1, y = x + 1, m = (L + R) / 2

const int N = 2e5 + 7;
const int oo = 1e18;
const int mod = 1e9 + 7;

typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vii;

int query(int ans, int k) {
	if(k % 2 == 1) ans *= 2;
	else {
		ans *= 2;
		ans++;
	}
	return ans;
}

signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	
	int n, k; cin >> n >> k;
	cout << query(pw(2, n), k) << '\n';
	return 0;
}

Compilation message (stderr)

rack.cpp: In function 'int main()':
rack.cpp:32:16: error: 'pw' was not declared in this scope; did you mean 'pow'?
   32 |  cout << query(pw(2, n), k) << '\n';
      |                ^~
      |                pow