oj.uz

Submission #427718

# Submission time Handle Problem Language Result Execution time Memory
427718 2021-06-14T19:55:32 Z AugustinasJucas Stations (IOI20_stations) C++14
76 / 100
 1275 ms 972 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
const int dydis = 1000;
vector<int> gr[dydis];
int enter[dydis];
int leave[dydis];
vector<int> ret (dydis);
int dbInd = 0;
void dfs(int v, int came, int h = 0){
	enter[v] = dbInd++;
	for(auto x : gr[v]){
		if(x == came) continue;
		dfs(x, v, h+1);
	}
	leave[v] = dbInd++;
	//cout << v << ": " << enter[v] << ", " << leave[v] << ", o dedu ";
	if(h & 1){
		ret[v] = leave[v];
		//cout << leave[v] << endl;
	}else{
		ret[v] = enter[v];
		//cout << enter[v] << endl;
	}
	//cout << "enter " << v << " - " << enter[v] << ", o leave " << leave[v]-1 << endl;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	for(int i = 0; i < n; i++){
		gr[i].clear();
	}
	dbInd = 0;
	ret.resize(n);
	for(int i = 0; i < n-1; i++){
		gr[u[i]].push_back(v[i]);
		gr[v[i]].push_back(u[i]);
	}
	dfs(0, -1);
	return ret;
}

int find_next_station(int s, int t, vector<int> c) {
	bool yraMaz = 1;
	for(auto x : c){
		if(x < s) yraMaz = 0;
	}
	//cout << "gaunu " << s << ": "; for(auto x : c) cout << x<< " "; cout << "|  ";
	if(yraMaz){ // as enter
		int dd = c.back();
		int last = s;
		//cout << "jis yra enter" << endl;
		for(auto x : c){
			if(x == dd && s != 0) continue;
			int enter = last+1;
			int leave = x;
			if(enter <= t && t <= leave) return x;
			last = leave;
		}
		return c.back();
	}else{ // as leave
		//cout << "jis yra leave" << endl;
		for(int i = 1; i < (int)c.size(); i++){
			int enter = c[i];
			int leave = (i == (int)c.size() - 1 ? s - 1 : c[i+1] - 1);
			if(enter <= t && t <= leave){
				return c[i];
			}
		}
		return c[0];
	}
	
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 436 KB Invalid labels (values out of range). scenario=2, k=1000, vertex=1, label=1990
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 312 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1022
2 Halted 0 ms 0 KB -

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 652 KB Output is correct
2 Correct 454 ms 640 KB Output is correct
3 Correct 1212 ms 500 KB Output is correct
4 Correct 761 ms 400 KB Output is correct
5 Correct 824 ms 528 KB Output is correct
6 Correct 500 ms 648 KB Output is correct
7 Correct 512 ms 528 KB Output is correct
8 Correct 3 ms 596 KB Output is correct
9 Correct 7 ms 652 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 686 ms 520 KB Output is correct
12 Correct 561 ms 744 KB Output is correct
13 Correct 550 ms 744 KB Output is correct
14 Correct 471 ms 656 KB Output is correct
15 Correct 56 ms 556 KB Output is correct
16 Correct 81 ms 528 KB Output is correct
17 Correct 127 ms 652 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 981 ms 552 KB Output is correct
2 Correct 841 ms 680 KB Output is correct
3 Correct 625 ms 516 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 4 ms 724 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 689 ms 524 KB Output is correct
8 Correct 1275 ms 528 KB Output is correct
9 Correct 822 ms 548 KB Output is correct
10 Correct 729 ms 524 KB Output is correct
11 Correct 7 ms 596 KB Output is correct
12 Correct 7 ms 596 KB Output is correct
13 Correct 5 ms 596 KB Output is correct
14 Correct 5 ms 468 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 696 ms 496 KB Output is correct
17 Correct 657 ms 528 KB Output is correct
18 Correct 663 ms 520 KB Output is correct
19 Correct 823 ms 524 KB Output is correct
20 Correct 522 ms 528 KB Output is correct

Subtask #5
50.0 / 61.0

# Verdict Execution time Memory Grader output
1 Partially correct 593 ms 640 KB Partially correct
2 Partially correct 629 ms 528 KB Partially correct
3 Correct 1212 ms 528 KB Output is correct
4 Correct 713 ms 400 KB Output is correct
5 Correct 646 ms 520 KB Output is correct
6 Partially correct 514 ms 804 KB Partially correct
7 Partially correct 644 ms 528 KB Partially correct
8 Correct 3 ms 548 KB Output is correct
9 Correct 5 ms 596 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Partially correct 550 ms 576 KB Partially correct
12 Partially correct 609 ms 564 KB Partially correct
13 Correct 1174 ms 400 KB Output is correct
14 Correct 890 ms 724 KB Output is correct
15 Correct 753 ms 560 KB Output is correct
16 Partially correct 625 ms 648 KB Partially correct
17 Correct 658 ms 528 KB Output is correct
18 Partially correct 544 ms 732 KB Partially correct
19 Partially correct 602 ms 760 KB Partially correct
20 Partially correct 491 ms 520 KB Partially correct
21 Correct 82 ms 592 KB Output is correct
22 Partially correct 69 ms 568 KB Partially correct
23 Partially correct 154 ms 720 KB Partially correct
24 Correct 7 ms 468 KB Output is correct
25 Correct 5 ms 724 KB Output is correct
26 Correct 5 ms 596 KB Output is correct
27 Correct 5 ms 596 KB Output is correct
28 Correct 3 ms 596 KB Output is correct
29 Correct 735 ms 524 KB Output is correct
30 Correct 694 ms 400 KB Output is correct
31 Correct 570 ms 644 KB Output is correct
32 Correct 519 ms 524 KB Output is correct
33 Correct 795 ms 552 KB Output is correct
34 Partially correct 380 ms 624 KB Partially correct
35 Partially correct 597 ms 744 KB Partially correct
36 Partially correct 474 ms 668 KB Partially correct
37 Partially correct 574 ms 744 KB Partially correct
38 Partially correct 487 ms 848 KB Partially correct
39 Partially correct 524 ms 728 KB Partially correct
40 Partially correct 516 ms 972 KB Partially correct
41 Partially correct 644 ms 632 KB Partially correct
42 Partially correct 86 ms 656 KB Partially correct
43 Partially correct 122 ms 552 KB Partially correct
44 Partially correct 189 ms 600 KB Partially correct
45 Partially correct 224 ms 580 KB Partially correct
46 Partially correct 349 ms 552 KB Partially correct
47 Partially correct 402 ms 628 KB Partially correct
48 Partially correct 56 ms 656 KB Partially correct
49 Partially correct 67 ms 784 KB Partially correct