Submission #1125800

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125800		orkunhatipoglu37	Rack (eJOI19_rack)	C++20	40 / 100	6 ms	8264 KiB

rack

#include <bits/stdc++.h>
#define int long long

using namespace std;

int ekle(int a, int b){
	if(a+b>=10000007) return a+b-10000007;
	return a+b;
}

int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int n,k;
	cin>>n>>k;
	vector<int> pw(1000005);
	pw[0]=1;
	for(int i=1; i<=n; i++){
		pw[i]=ekle(pw[i-1],pw[i-1]);
	}
	int ans=1;
	int us=n-1;
	while(k!=1){
		if(k%2==0) ans=ekle(ans,pw[us]);
		us--;
		k=(k+1)/2;
	}
	cout<<ans<<"\n";
}

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 0 / 60