oj.uz

Submission #772542

# Submission time Handle Problem Language Result Execution time Memory
772542 2023-07-04T08:06:35 Z ono_de206 Stations (IOI20_stations) C++14
100 / 100
 787 ms 800 KB 
#include "stations.h"
#include<bits/stdc++.h>
using namespace std;

#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

// #define int long long
 
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	vector<vector<int>> g(n);
	for(int i = 0; i < n - 1; i++) {
		g[u[i]].pb(v[i]);
		g[v[i]].pb(u[i]);
	}
	int t = 0;
	vector<int> ret(n);
	function<void(int, int, bool)> dfs = [&](int to, int fr, bool fl) {
		if(fl) ret[to] = t++;
		fl = !fl;
		for(int x : g[to]) {
			if(x == fr) continue;
			dfs(x, to, fl);
		}
		if(fl) ret[to] = t++;
	};
	dfs(0, -1, false);
	return ret;
}

int find_next_station(int s, int t, vector<int> c) {
	if(c.back() > s) {
		for(int i = 0; i + 1 < c.size(); i++) {
			if(t >= s && t <= c[i]) return c[i];
		}
		return c.back();
	} else {
		for(int i = (int)c.size() - 1; i > 0; i--) {
			if(t >= c[i] && t <= s) return c[i];
		}
		return c[0];
	}
	return 69;
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:44:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   for(int i = 0; i + 1 < c.size(); i++) {
      |                  ~~~~~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 336 ms 720 KB Output is correct
2 Correct 447 ms 636 KB Output is correct
3 Correct 745 ms 416 KB Output is correct
4 Correct 502 ms 420 KB Output is correct
5 Correct 396 ms 420 KB Output is correct
6 Correct 403 ms 672 KB Output is correct
7 Correct 306 ms 544 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 3 ms 500 KB Output is correct
10 Correct 0 ms 492 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 319 ms 588 KB Output is correct
2 Correct 429 ms 544 KB Output is correct
3 Correct 674 ms 420 KB Output is correct
4 Correct 577 ms 420 KB Output is correct
5 Correct 444 ms 500 KB Output is correct
6 Correct 332 ms 544 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 499 ms 640 KB Output is correct
2 Correct 392 ms 640 KB Output is correct
3 Correct 616 ms 420 KB Output is correct
4 Correct 460 ms 504 KB Output is correct
5 Correct 407 ms 500 KB Output is correct
6 Correct 353 ms 676 KB Output is correct
7 Correct 355 ms 632 KB Output is correct
8 Correct 0 ms 492 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 0 ms 524 KB Output is correct
11 Correct 468 ms 500 KB Output is correct
12 Correct 404 ms 712 KB Output is correct
13 Correct 406 ms 796 KB Output is correct
14 Correct 278 ms 500 KB Output is correct
15 Correct 39 ms 492 KB Output is correct
16 Correct 58 ms 584 KB Output is correct
17 Correct 88 ms 544 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 639 ms 416 KB Output is correct
2 Correct 487 ms 416 KB Output is correct
3 Correct 504 ms 508 KB Output is correct
4 Correct 1 ms 496 KB Output is correct
5 Correct 3 ms 504 KB Output is correct
6 Correct 0 ms 492 KB Output is correct
7 Correct 525 ms 508 KB Output is correct
8 Correct 706 ms 508 KB Output is correct
9 Correct 520 ms 416 KB Output is correct
10 Correct 516 ms 508 KB Output is correct
11 Correct 3 ms 496 KB Output is correct
12 Correct 5 ms 492 KB Output is correct
13 Correct 3 ms 492 KB Output is correct
14 Correct 2 ms 488 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 324 ms 420 KB Output is correct
17 Correct 451 ms 416 KB Output is correct
18 Correct 379 ms 416 KB Output is correct
19 Correct 377 ms 508 KB Output is correct
20 Correct 357 ms 504 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 403 ms 676 KB Output is correct
2 Correct 369 ms 672 KB Output is correct
3 Correct 787 ms 416 KB Output is correct
4 Correct 527 ms 416 KB Output is correct
5 Correct 455 ms 504 KB Output is correct
6 Correct 457 ms 624 KB Output is correct
7 Correct 371 ms 544 KB Output is correct
8 Correct 1 ms 500 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 333 ms 504 KB Output is correct
12 Correct 388 ms 548 KB Output is correct
13 Correct 622 ms 548 KB Output is correct
14 Correct 516 ms 420 KB Output is correct
15 Correct 465 ms 512 KB Output is correct
16 Correct 374 ms 548 KB Output is correct
17 Correct 460 ms 504 KB Output is correct
18 Correct 408 ms 716 KB Output is correct
19 Correct 450 ms 800 KB Output is correct
20 Correct 384 ms 544 KB Output is correct
21 Correct 28 ms 416 KB Output is correct
22 Correct 59 ms 572 KB Output is correct
23 Correct 108 ms 544 KB Output is correct
24 Correct 5 ms 492 KB Output is correct
25 Correct 4 ms 492 KB Output is correct
26 Correct 4 ms 500 KB Output is correct
27 Correct 2 ms 500 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 312 ms 508 KB Output is correct
30 Correct 506 ms 504 KB Output is correct
31 Correct 484 ms 420 KB Output is correct
32 Correct 412 ms 416 KB Output is correct
33 Correct 362 ms 504 KB Output is correct
34 Correct 243 ms 676 KB Output is correct
35 Correct 286 ms 712 KB Output is correct
36 Correct 335 ms 712 KB Output is correct
37 Correct 343 ms 588 KB Output is correct
38 Correct 350 ms 680 KB Output is correct
39 Correct 465 ms 592 KB Output is correct
40 Correct 419 ms 636 KB Output is correct
41 Correct 263 ms 588 KB Output is correct
42 Correct 50 ms 548 KB Output is correct
43 Correct 86 ms 548 KB Output is correct
44 Correct 137 ms 548 KB Output is correct
45 Correct 142 ms 544 KB Output is correct
46 Correct 208 ms 548 KB Output is correct
47 Correct 205 ms 700 KB Output is correct
48 Correct 44 ms 600 KB Output is correct
49 Correct 51 ms 716 KB Output is correct