oj.uz

Submission #623333

# Submission time Handle Problem Language Result Execution time Memory
623333 2022-08-05T13:00:35 Z M_W Stations (IOI20_stations) C++17
100 / 100
 903 ms 836 KB 
#include <bits/stdc++.h>
#include "stations.h"
using namespace std;
int _labels[1010];
vector<int> adj[1010];
int N, K, timer = 0;

void dfs(int a, int p, int lv){
	if(!lv) _labels[a] = timer++;
	for(auto x : adj[a]){
		if(x == p) continue;
		dfs(x, a, 1 - lv);
	}
	if(lv) _labels[a] = timer++;
}

vector<int> label(int _N, int _K, vector<int> U, vector<int> V) {
	N = _N; K = _K; timer = 0;
	for(int i = 0; i < N - 1; i++){
		adj[U[i]].push_back(V[i]);
		adj[V[i]].push_back(U[i]);
	}
	dfs(0, 0, 0);

	vector<int> res; 
	for(int i = 0; i < N; i++) res.push_back(_labels[i]);
	for(int i = 0; i < N; i++) adj[i].clear();
	return res;
}

int find_next_station(int S, int T, vector<int> C) {
	if(C.size() == 1) return C[0];
	if(C[0] > S){
		int st = S;
		for(int i = 0; i < C.size() - 1; i++){
			if(st < T && T <= C[i]) return C[i];
			st = C[i];
		}
		return C[C.size() - 1];
	}
	else{
		for(int i = 1; i < C.size() - 1; i++){
			if(C[i] <= T && T < C[i + 1]) return C[i];
		}
		if(C[C.size() - 1] <= T && T < S) return C[C.size() - 1];
		return C[0];
	}
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int i = 0; i < C.size() - 1; i++){
      |                  ~~^~~~~~~~~~~~~~
stations.cpp:42:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |   for(int i = 1; i < C.size() - 1; i++){
      |                  ~~^~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 544 ms 544 KB Output is correct
2 Correct 442 ms 520 KB Output is correct
3 Correct 805 ms 416 KB Output is correct
4 Correct 703 ms 416 KB Output is correct
5 Correct 515 ms 532 KB Output is correct
6 Correct 441 ms 524 KB Output is correct
7 Correct 450 ms 564 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 0 ms 504 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 403 ms 532 KB Output is correct
2 Correct 506 ms 524 KB Output is correct
3 Correct 903 ms 416 KB Output is correct
4 Correct 602 ms 416 KB Output is correct
5 Correct 575 ms 416 KB Output is correct
6 Correct 472 ms 536 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 450 ms 652 KB Output is correct
2 Correct 576 ms 528 KB Output is correct
3 Correct 730 ms 516 KB Output is correct
4 Correct 802 ms 416 KB Output is correct
5 Correct 708 ms 416 KB Output is correct
6 Correct 509 ms 532 KB Output is correct
7 Correct 392 ms 544 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 4 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 744 ms 416 KB Output is correct
12 Correct 443 ms 644 KB Output is correct
13 Correct 511 ms 660 KB Output is correct
14 Correct 528 ms 528 KB Output is correct
15 Correct 58 ms 468 KB Output is correct
16 Correct 70 ms 692 KB Output is correct
17 Correct 122 ms 676 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 794 ms 416 KB Output is correct
2 Correct 637 ms 524 KB Output is correct
3 Correct 563 ms 420 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 4 ms 492 KB Output is correct
6 Correct 0 ms 492 KB Output is correct
7 Correct 562 ms 420 KB Output is correct
8 Correct 860 ms 536 KB Output is correct
9 Correct 615 ms 656 KB Output is correct
10 Correct 513 ms 524 KB Output is correct
11 Correct 5 ms 488 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 3 ms 496 KB Output is correct
14 Correct 4 ms 500 KB Output is correct
15 Correct 1 ms 500 KB Output is correct
16 Correct 508 ms 420 KB Output is correct
17 Correct 498 ms 488 KB Output is correct
18 Correct 461 ms 536 KB Output is correct
19 Correct 476 ms 536 KB Output is correct
20 Correct 476 ms 532 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 582 ms 548 KB Output is correct
2 Correct 341 ms 532 KB Output is correct
3 Correct 636 ms 656 KB Output is correct
4 Correct 648 ms 420 KB Output is correct
5 Correct 520 ms 416 KB Output is correct
6 Correct 315 ms 548 KB Output is correct
7 Correct 460 ms 544 KB Output is correct
8 Correct 3 ms 500 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 0 ms 492 KB Output is correct
11 Correct 437 ms 532 KB Output is correct
12 Correct 493 ms 532 KB Output is correct
13 Correct 819 ms 536 KB Output is correct
14 Correct 570 ms 508 KB Output is correct
15 Correct 556 ms 416 KB Output is correct
16 Correct 419 ms 548 KB Output is correct
17 Correct 568 ms 724 KB Output is correct
18 Correct 412 ms 652 KB Output is correct
19 Correct 465 ms 748 KB Output is correct
20 Correct 464 ms 512 KB Output is correct
21 Correct 46 ms 544 KB Output is correct
22 Correct 46 ms 544 KB Output is correct
23 Correct 105 ms 672 KB Output is correct
24 Correct 4 ms 492 KB Output is correct
25 Correct 2 ms 492 KB Output is correct
26 Correct 3 ms 492 KB Output is correct
27 Correct 4 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 456 ms 416 KB Output is correct
30 Correct 518 ms 520 KB Output is correct
31 Correct 487 ms 416 KB Output is correct
32 Correct 458 ms 420 KB Output is correct
33 Correct 412 ms 416 KB Output is correct
34 Correct 301 ms 548 KB Output is correct
35 Correct 380 ms 660 KB Output is correct
36 Correct 456 ms 636 KB Output is correct
37 Correct 450 ms 656 KB Output is correct
38 Correct 473 ms 768 KB Output is correct
39 Correct 408 ms 664 KB Output is correct
40 Correct 405 ms 640 KB Output is correct
41 Correct 380 ms 836 KB Output is correct
42 Correct 65 ms 572 KB Output is correct
43 Correct 90 ms 548 KB Output is correct
44 Correct 114 ms 544 KB Output is correct
45 Correct 173 ms 544 KB Output is correct
46 Correct 265 ms 548 KB Output is correct
47 Correct 270 ms 544 KB Output is correct
48 Correct 54 ms 728 KB Output is correct
49 Correct 45 ms 764 KB Output is correct