Submission #631190

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
631190	2022-08-17T18:59:11 Z	smartmonky	Rack (eJOI19_rack)	C++14	40 / 100	24 ms	33048 KB

rack

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define int ll
using namespace std;
const int mod=1e9;
main(){
	int n,k;
	cin >>n >>k;
	int x=(1 << n);
	vector <int> v(x*2);
	vector <int> ans(x*2);
	v[1]=1;
	ans[1]=1;
	v[2]=x/2+1;
	ans[2]=(v[2]);
	int cnt=2;
	int s=3;
	for(int i=x/4;i>=1;i/=2){
		for(int j=1;j<=cnt;j++){
				v[cnt+j]=v[j]+i;
				ans[s]=(v[j]+i)%mod;
				v[cnt+j]%=mod;
				s++;
		}
		cnt*=2;
	}
	cout<<ans[k];
}

Compilation message

rack.cpp:7:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    7 | main(){
      | ^~~~

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 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	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	2 ms	2260 KB	Output is correct
9	Correct	6 ms	8528 KB	Output is correct
10	Correct	24 ms	33048 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	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	468 KB	Output is correct
8	Correct	2 ms	2260 KB	Output is correct
9	Correct	6 ms	8528 KB	Output is correct
10	Correct	24 ms	33048 KB	Output is correct
11	Runtime error	1 ms	468 KB	Execution killed with signal 11
12	Halted	0 ms	0 KB	-