oj.uz

Submission #751399

# Submission time Handle Problem Language Result Execution time Memory
751399 2023-05-31T13:51:03 Z erering Rack (eJOI19_rack) C++17
40 / 100
 1 ms 324 KB 
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define mod 1000000007
#define ll long long
#define inf INT_MAX
#define pb push_back
const int N=(1<<18);
int main()
{
  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  ll n,k; cin>>n>>k;
  ll l=1,r=(1<<n);
  k--;
  for(ll i=0;i<n;i++){
    if(k%2==0){
      r=(l+r)/2;
    }
    else{
      l=(l+r)/2+1;
    }
    k/=2;
  }
  cout<<l;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 324 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 320 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 324 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Incorrect 1 ms 320 KB Output isn't correct
12 Halted 0 ms 0 KB -