Submission #1099994

#	Time	Username	Problem	Language	Result	Execution time	Memory
1099994		vjudge1	Rack (eJOI19_rack)	C++17	40 / 100	0 ms	604 KiB

rack

#include <iostream>
#include <map>
#include <unordered_map>
#include <set>
#include <vector>
#include <queue>
#include <algorithm>
#include <cmath>
#include <iomanip>
using namespace std;
#define ll long long
#define PLL pair<ll, ll>
#define PB push_back
#define F first
#define S second
#define MP make_pair
const ll INF = 999999999999999999;
const ll M = 1000000000+7;



int main(){
    ll n,k;
    cin>>n>>k;
    ll index = 1,tpow = 1, m = 1<<n;
    k--;
    for(ll i=0; i<=n; i++){
        //cout<<(k&tpow)<<" "<<tpow<<endl;
        if((k&tpow)!=0){
            //cout<<(m/tpow)/2<<endl;
            index+=(m/tpow)/2;
        }
        tpow*=2;
    }
    cout<<index<<endl;
}

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