Submission #446708

#	Time	Username	Problem	Language	Result	Execution time	Memory
446708		fuad27	Awesome Arrowland Adventure (eJOI19_adventure)	C++14	0 / 100	1 ms	204 KiB

adventure

#include<bits/stdc++.h>
using namespace std;
#define mod 1000000007ll
#define int long long
int32_t main () {
	int n, k;
	cin >> n >> k;
	int ans = 0;
	k--;
	for(int i = 0;i<n;i++) { 
		ans = (((ans*2))%mod + k%2)%mod;
		k/=2;
	}
	cout<<(++ans)%mod<<endl;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 12
• Subtask 3: 0 / 12
• Subtask 4: 0 / 16
• Subtask 5: 0 / 50