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Submission #617355

# Submission time Handle Problem Language Result Execution time Memory
617355 2022-08-01T10:57:45 Z DanShaders Stations (IOI20_stations) C++17
100 / 100
 975 ms 772 KB 
//Fgrader.cpp
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

#define x first
#define y second
using ll = long long;
using ld = long double;
#define all(x) begin(x), end(x)
#define sz(x) ((int) (x).size())

const int N = 1010;

vector<int> g[N];
vector<int> ans;
int timer = 0;

void dfs(int u = 0, int p = -1, int depth = 1) {
	if (depth) {
		ans[u] = timer++;
	}
	for (int v : g[u]) {
		if (v != p) {
			dfs(v, u, depth ^ 1);
		}
	}
	if (!depth) {
		ans[u] = timer++;
	}
}

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

int find_next_station(int s, int t, vector<int> c) {
	if (sz(c) == 1) {
		return c[0];
	}
	if (!s) {
		return *lower_bound(all(c), t);
	}
	if (s < c[0]) {
		if (t < s || t > c[sz(c) - 2]) {
			return c.back();
		} else {
			return *lower_bound(all(c), t);
		}
	} else {
		if (t < c[1] || t > s) {
			return c[0];
		} else {
			return *--upper_bound(all(c), t);
		}
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 579 ms 640 KB Output is correct
2 Correct 482 ms 548 KB Output is correct
3 Correct 843 ms 416 KB Output is correct
4 Correct 660 ms 524 KB Output is correct
5 Correct 537 ms 532 KB Output is correct
6 Correct 387 ms 524 KB Output is correct
7 Correct 481 ms 536 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 3 ms 500 KB Output is correct
10 Correct 1 ms 492 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 501 ms 588 KB Output is correct
2 Correct 535 ms 524 KB Output is correct
3 Correct 975 ms 484 KB Output is correct
4 Correct 725 ms 416 KB Output is correct
5 Correct 628 ms 528 KB Output is correct
6 Correct 511 ms 536 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 502 ms 676 KB Output is correct
2 Correct 453 ms 644 KB Output is correct
3 Correct 950 ms 416 KB Output is correct
4 Correct 694 ms 416 KB Output is correct
5 Correct 518 ms 524 KB Output is correct
6 Correct 445 ms 544 KB Output is correct
7 Correct 435 ms 548 KB Output is correct
8 Correct 3 ms 492 KB Output is correct
9 Correct 4 ms 440 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 615 ms 536 KB Output is correct
12 Correct 432 ms 772 KB Output is correct
13 Correct 549 ms 640 KB Output is correct
14 Correct 491 ms 664 KB Output is correct
15 Correct 42 ms 444 KB Output is correct
16 Correct 60 ms 548 KB Output is correct
17 Correct 104 ms 672 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 698 ms 416 KB Output is correct
2 Correct 718 ms 532 KB Output is correct
3 Correct 594 ms 416 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 4 ms 492 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 624 ms 416 KB Output is correct
8 Correct 944 ms 416 KB Output is correct
9 Correct 650 ms 524 KB Output is correct
10 Correct 538 ms 416 KB Output is correct
11 Correct 4 ms 492 KB Output is correct
12 Correct 6 ms 492 KB Output is correct
13 Correct 4 ms 556 KB Output is correct
14 Correct 4 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 397 ms 524 KB Output is correct
17 Correct 461 ms 528 KB Output is correct
18 Correct 389 ms 420 KB Output is correct
19 Correct 497 ms 420 KB Output is correct
20 Correct 358 ms 528 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 491 ms 660 KB Output is correct
2 Correct 452 ms 656 KB Output is correct
3 Correct 848 ms 416 KB Output is correct
4 Correct 644 ms 420 KB Output is correct
5 Correct 618 ms 416 KB Output is correct
6 Correct 404 ms 544 KB Output is correct
7 Correct 347 ms 528 KB Output is correct
8 Correct 1 ms 500 KB Output is correct
9 Correct 4 ms 492 KB Output is correct
10 Correct 0 ms 492 KB Output is correct
11 Correct 413 ms 536 KB Output is correct
12 Correct 444 ms 524 KB Output is correct
13 Correct 718 ms 532 KB Output is correct
14 Correct 629 ms 532 KB Output is correct
15 Correct 672 ms 524 KB Output is correct
16 Correct 496 ms 548 KB Output is correct
17 Correct 638 ms 536 KB Output is correct
18 Correct 624 ms 632 KB Output is correct
19 Correct 411 ms 752 KB Output is correct
20 Correct 304 ms 544 KB Output is correct
21 Correct 44 ms 544 KB Output is correct
22 Correct 81 ms 524 KB Output is correct
23 Correct 104 ms 760 KB Output is correct
24 Correct 6 ms 492 KB Output is correct
25 Correct 7 ms 492 KB Output is correct
26 Correct 5 ms 492 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 2 ms 544 KB Output is correct
29 Correct 588 ms 532 KB Output is correct
30 Correct 441 ms 532 KB Output is correct
31 Correct 413 ms 528 KB Output is correct
32 Correct 496 ms 532 KB Output is correct
33 Correct 441 ms 528 KB Output is correct
34 Correct 321 ms 660 KB Output is correct
35 Correct 490 ms 756 KB Output is correct
36 Correct 458 ms 756 KB Output is correct
37 Correct 404 ms 772 KB Output is correct
38 Correct 529 ms 632 KB Output is correct
39 Correct 430 ms 636 KB Output is correct
40 Correct 414 ms 752 KB Output is correct
41 Correct 445 ms 656 KB Output is correct
42 Correct 60 ms 548 KB Output is correct
43 Correct 75 ms 544 KB Output is correct
44 Correct 123 ms 528 KB Output is correct
45 Correct 144 ms 588 KB Output is correct
46 Correct 289 ms 596 KB Output is correct
47 Correct 330 ms 528 KB Output is correct
48 Correct 43 ms 728 KB Output is correct
49 Correct 39 ms 756 KB Output is correct