Submission #1099539

#	Time	Username	Problem	Language	Result	Execution time	Memory
1099539		vjudge1	Rack (eJOI19_rack)	C++17	40 / 100	1 ms	348 KiB

rack

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

string abc = "abcdefghijklmnopqrstuvwxyz";

#define int long long



signed  main(){
    int n, k;
    cin >> n >> k;

    int ans = 0;

    int cnt = 1; 
    int aux = 1; 
    int sum = 1;
    for(int i = 0; i < n-1; i++) sum*=2;  
    for(int i = 0; i < n; i++){
        if((k-1)&aux){
            ans+=sum;
        }
        sum/=2;
        aux*=2;
    }

    cout << ans+1 << endl;
}

Compilation message (stderr)

rack.cpp: In function 'int main()':
rack.cpp:16:9: warning: unused variable 'cnt' [-Wunused-variable]
   16 |     int cnt = 1;
      |         ^~~

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