oj.uz

Submission #775530

# Submission time Handle Problem Language Result Execution time Memory
775530 2023-07-06T13:24:12 Z DangerNoodle7591 Rack (eJOI19_rack) C++17
40 / 100
 1 ms 320 KB 
#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);
#define endl "\n"
#define ll long long
#define pb push_back
#define mod 1000000007
inline ll int hmm(ll int r,ll int k){
	if(r==1)return 1;
	ll int m=(1+r)/2;
	m=m%mod;
	//cout<<r<<" "<<m<<endl;
	if(k%2==0&&k!=0){
		return m+hmm(m,k/2);
	}
	else return hmm(m,(k+1)/2);
}
int main(){
	lalala;
	ll int n,k;cin>>n>>k;
	ll int arr[n+1];
	arr[0]=1;
	for(int i=1;i<=n;i++){
		arr[i]=(arr[i-1]*(ll int)2)%mod;
	}
	cout<<hmm(arr[n],k)<<endl;

}

Subtask #1
20.0 / 20.0

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

Subtask #2
20.0 / 20.0

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

Subtask #3
0 / 60.0

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