oj.uz

Submission #631236

# Submission time Handle Problem Language Result Execution time Memory
631236 2022-08-17T21:14:28 Z smartmonky Rack (eJOI19_rack) C++14
20 / 100
 544 ms 102400 KB 
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define int ll
using namespace std;
const int mod=1e9+7;
main(){
	int n,k;
	cin >>n >>k;
	int x=(1 << n);
	map<int,int> v,ans;
	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)%mod;
				ans[s]=v[cnt+j];
				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 1 ms 212 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 4 ms 1236 KB Output is correct
8 Correct 40 ms 8408 KB Output is correct
9 Correct 171 ms 33072 KB Output is correct
10 Runtime error 544 ms 102400 KB Execution killed with signal 9
11 Halted 0 ms 0 KB -

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 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 1 ms 340 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 4 ms 1236 KB Output is correct
8 Correct 40 ms 8408 KB Output is correct
9 Correct 171 ms 33072 KB Output is correct
10 Runtime error 544 ms 102400 KB Execution killed with signal 9
11 Halted 0 ms 0 KB -