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Submission #408420

# Submission time Handle Problem Language Result Execution time Memory
408420 2021-05-19T07:24:04 Z muhammad_hokimiyon Stations (IOI20_stations) C++14
5 / 100
 1700 ms 644 KB 
#include "stations.h"
#include <vector>
#include<bits/stdc++.h>

using namespace std;

const int N = 1e3 + 7;

std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	std::vector<int> labels(n);
	vector<int> g[n + 7];
	for(int i = 0; i < n - 1; i++){
        int x = u[i], y = v[i];
        g[x].push_back(y);
        g[y].push_back(x);
	}
	int st = 0;
	for(int i = 1; i < n; i++){
        if((int)g[i].size() < (int)g[st].size()){
            st = i;
        }
	}
	queue<int> q;
	q.push(st);
	vector<int> d(n + 7, 1e9);
	d[st] = 0;
	while(!q.empty()){
        int x = q.front();
        q.pop();
        for(auto y : g[x]){
            if(d[y] == 1e9){
                d[y] = d[x] + 1;
                q.push(y);
            }
        }
	}
	for(int i = 0; i < n; i++){
        labels[i] = d[i];
	}
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
    for(auto x : c){
        if(s < t && x > s)return x;
        if(s > t && x < s)return x;
    }
    return c[0];
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 988 ms 484 KB Output is correct
2 Correct 751 ms 540 KB Output is correct
3 Correct 1557 ms 420 KB Output is correct
4 Correct 1700 ms 488 KB Output is correct
5 Correct 703 ms 400 KB Output is correct
6 Correct 612 ms 548 KB Output is correct
7 Correct 922 ms 520 KB Output is correct
8 Correct 4 ms 468 KB Output is correct
9 Correct 5 ms 524 KB Output is correct
10 Correct 2 ms 468 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 284 KB Invalid labels (duplicates values). scenario=0, label=10
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 908 ms 568 KB Output is correct
2 Correct 749 ms 524 KB Output is correct
3 Correct 1583 ms 448 KB Output is correct
4 Correct 1103 ms 484 KB Output is correct
5 Correct 1152 ms 472 KB Output is correct
6 Correct 822 ms 644 KB Output is correct
7 Correct 739 ms 596 KB Output is correct
8 Correct 3 ms 480 KB Output is correct
9 Correct 5 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Incorrect 1 ms 288 KB Invalid labels (duplicates values). scenario=1, label=2
12 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1418 ms 464 KB Output is correct
2 Correct 1008 ms 548 KB Output is correct
3 Correct 932 ms 484 KB Output is correct
4 Correct 5 ms 532 KB Output is correct
5 Correct 7 ms 540 KB Output is correct
6 Correct 3 ms 468 KB Output is correct
7 Incorrect 1 ms 200 KB Invalid labels (duplicates values). scenario=0, label=2
8 Halted 0 ms 0 KB -

Subtask #5
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 773 ms 596 KB Output is correct
2 Correct 793 ms 604 KB Output is correct
3 Correct 1482 ms 472 KB Output is correct
4 Correct 852 ms 404 KB Output is correct
5 Correct 1212 ms 476 KB Output is correct
6 Correct 788 ms 488 KB Output is correct
7 Correct 671 ms 484 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 5 ms 476 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Incorrect 7 ms 288 KB Invalid labels (duplicates values). scenario=0, label=10
12 Halted 0 ms 0 KB -