oj.uz

Submission #555364

# Submission time Handle Problem Language Result Execution time Memory
555364 2022-04-30T15:56:47 Z ITO Stations (IOI20_stations) C++17
100 / 100
 775 ms 768 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> e[1000], lab;
int co;
void df(int no, int pa, bool pr) {
	if (pr) lab[no] = co++;
	for (int ed : e[no]) {
		if (ed != pa) df(ed, no, !pr);
	}
	if (!pr) lab[no] = co++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	co = 0;
	lab.resize(n);
	for (int i = 0; i < n; i++) e[i].clear();
	for (int i = 0; i < n - 1; i++) {
		e[u[i]].push_back(v[i]);
		e[v[i]].push_back(u[i]);
	}
	df(0, 0, 1);
	return lab;
}

int find_next_station(int s, int t, std::vector<int> c) {
	if (c[0] < s) {
		if (t < c[0] || t > s) return c[0];
		for (int i = c.size() - 1; i >= 0; i--) if (c[i] <= t) return c[i];
	} else {
		if (t > c.back() || t < s) return c.back();
		for (int i = 0; i < c.size(); i++) if (c[i] >= t) return c[i];
	}
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:31:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |   for (int i = 0; i < c.size(); i++) if (c[i] >= t) return c[i];
      |                   ~~^~~~~~~~~~
stations.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type]
   33 | }
      | ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 490 ms 636 KB Output is correct
2 Correct 384 ms 656 KB Output is correct
3 Correct 775 ms 420 KB Output is correct
4 Correct 585 ms 416 KB Output is correct
5 Correct 515 ms 416 KB Output is correct
6 Correct 370 ms 564 KB Output is correct
7 Correct 374 ms 528 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 4 ms 504 KB Output is correct
10 Correct 0 ms 500 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 373 ms 532 KB Output is correct
2 Correct 463 ms 548 KB Output is correct
3 Correct 727 ms 416 KB Output is correct
4 Correct 543 ms 416 KB Output is correct
5 Correct 477 ms 420 KB Output is correct
6 Correct 379 ms 548 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 476 ms 644 KB Output is correct
2 Correct 367 ms 648 KB Output is correct
3 Correct 759 ms 416 KB Output is correct
4 Correct 571 ms 564 KB Output is correct
5 Correct 505 ms 548 KB Output is correct
6 Correct 365 ms 660 KB Output is correct
7 Correct 417 ms 536 KB Output is correct
8 Correct 1 ms 500 KB Output is correct
9 Correct 4 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 517 ms 528 KB Output is correct
12 Correct 341 ms 668 KB Output is correct
13 Correct 357 ms 704 KB Output is correct
14 Correct 356 ms 528 KB Output is correct
15 Correct 46 ms 620 KB Output is correct
16 Correct 59 ms 600 KB Output is correct
17 Correct 92 ms 600 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 733 ms 420 KB Output is correct
2 Correct 547 ms 544 KB Output is correct
3 Correct 457 ms 420 KB Output is correct
4 Correct 2 ms 492 KB Output is correct
5 Correct 3 ms 492 KB Output is correct
6 Correct 1 ms 500 KB Output is correct
7 Correct 507 ms 532 KB Output is correct
8 Correct 739 ms 416 KB Output is correct
9 Correct 513 ms 532 KB Output is correct
10 Correct 479 ms 420 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 5 ms 492 KB Output is correct
13 Correct 4 ms 492 KB Output is correct
14 Correct 4 ms 500 KB Output is correct
15 Correct 1 ms 500 KB Output is correct
16 Correct 400 ms 548 KB Output is correct
17 Correct 359 ms 420 KB Output is correct
18 Correct 465 ms 416 KB Output is correct
19 Correct 463 ms 420 KB Output is correct
20 Correct 434 ms 548 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 447 ms 672 KB Output is correct
2 Correct 351 ms 656 KB Output is correct
3 Correct 714 ms 420 KB Output is correct
4 Correct 622 ms 420 KB Output is correct
5 Correct 557 ms 416 KB Output is correct
6 Correct 385 ms 544 KB Output is correct
7 Correct 401 ms 536 KB Output is correct
8 Correct 2 ms 496 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 375 ms 556 KB Output is correct
12 Correct 396 ms 544 KB Output is correct
13 Correct 686 ms 416 KB Output is correct
14 Correct 547 ms 420 KB Output is correct
15 Correct 510 ms 416 KB Output is correct
16 Correct 331 ms 548 KB Output is correct
17 Correct 522 ms 548 KB Output is correct
18 Correct 415 ms 544 KB Output is correct
19 Correct 435 ms 660 KB Output is correct
20 Correct 408 ms 516 KB Output is correct
21 Correct 49 ms 416 KB Output is correct
22 Correct 57 ms 600 KB Output is correct
23 Correct 92 ms 544 KB Output is correct
24 Correct 4 ms 492 KB Output is correct
25 Correct 5 ms 488 KB Output is correct
26 Correct 4 ms 492 KB Output is correct
27 Correct 3 ms 500 KB Output is correct
28 Correct 1 ms 500 KB Output is correct
29 Correct 387 ms 416 KB Output is correct
30 Correct 450 ms 420 KB Output is correct
31 Correct 427 ms 548 KB Output is correct
32 Correct 437 ms 544 KB Output is correct
33 Correct 426 ms 416 KB Output is correct
34 Correct 288 ms 544 KB Output is correct
35 Correct 369 ms 652 KB Output is correct
36 Correct 377 ms 648 KB Output is correct
37 Correct 388 ms 628 KB Output is correct
38 Correct 387 ms 648 KB Output is correct
39 Correct 408 ms 528 KB Output is correct
40 Correct 346 ms 664 KB Output is correct
41 Correct 402 ms 700 KB Output is correct
42 Correct 54 ms 544 KB Output is correct
43 Correct 93 ms 660 KB Output is correct
44 Correct 115 ms 672 KB Output is correct
45 Correct 128 ms 556 KB Output is correct
46 Correct 246 ms 560 KB Output is correct
47 Correct 263 ms 544 KB Output is correct
48 Correct 56 ms 672 KB Output is correct
49 Correct 52 ms 768 KB Output is correct