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Submission #424073

# Submission time Handle Problem Language Result Execution time Memory
424073 2021-06-11T16:02:09 Z Supersonic Stations (IOI20_stations) C++14
0 / 100
 1005 ms 528 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> g[1005];int l[1005];
int d(int n,int a,int s,bool p){
	int c=1;int f=s;
	for(auto i:g[n])if(i!=a){c+=d(i,n,f,!p);f=l[i];}
	if(p)l[n]=s+c;
	else l[n]=s-c;
	return c;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	for(int i=0;i<n-1;i++){g[u[i]].push_back(v[i]);g[v[i]].push_back(u[i]);}
	k=d(0,n,n,0);vector<int> r;
	for(int i=0;i<n;i++){r.push_back(l[i]);g[i].clear();}
	return r;
}

int find_next_station(int s, int t, std::vector<int> c) {
	if(s<c[0]){
		if(t<s||t>=c.back())return c.back();
		for(auto i:c)if(t<=i)return i;
	}
	else{
		reverse(c.begin(),c.end());
		if(t>s||t<=c.back())return c.back();
		for(auto i:c)if(t>=i)return i;
	}
	exit(1);
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 452 KB Invalid labels (values out of range). scenario=2, k=1000, vertex=1, label=1991
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 312 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1507
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 456 KB Invalid labels (duplicates values). scenario=1, label=1842
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1005 ms 472 KB Output is correct
2 Correct 666 ms 528 KB Output is correct
3 Incorrect 577 ms 516 KB Wrong query response.
4 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 480 KB Invalid labels (duplicates values). scenario=1, label=922
2 Halted 0 ms 0 KB -