oj.uz

Submission #510337

# Submission time Handle Problem Language Result Execution time Memory
510337 2022-01-15T00:32:21 Z jamezzz Stations (IOI20_stations) C++17
0 / 100
 1212 ms 548 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> label(int n,int k,vector<int> u,vector<int> v){
	vector<int> l(n);
	for(int i=0;i<n;++i)l[i]=i;
	return l;
}

int pre[1005],pst[1005],cnt;

void dfs(int u){
	if(u>1000)return;
	pre[u-1]=cnt++;
	dfs(2*u);dfs(2*u+1);
	pst[u-1]=cnt-1;
}

int find_next_station(int s,int t,vector<int> c){
	++s;++t;
	if(cnt==0)dfs(1);
	if(2*s>1000)return c[0];
	if(pre[2*s]<=pre[t]&&pst[t]<=pre[2*s])return 2*s-1;
	if(pre[2*s+1]<=pre[t]&&pst[t]<=pre[2*s+1])return 2*s;
	return s/2-1;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 634 ms 548 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 728 ms 476 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 671 ms 400 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1212 ms 492 KB Wrong query response.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 730 ms 400 KB Wrong query response.
2 Halted 0 ms 0 KB -