oj.uz

Submission #602029

# Submission time Handle Problem Language Result Execution time Memory
602029 2022-07-22T13:54:32 Z FatihSolak Stations (IOI20_stations) C++17
100 / 100
 1075 ms 836 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
#define N 1000
vector<int> adj[N];
int tin[N];
int tout[N];
int dep[N];
int timer = 0;
void dfs(int v,int par){
	tin[v] = timer++;
	for(auto u:adj[v]){
		if(u == par)continue;
		dep[u] = dep[v]+1;
		dfs(u,v);
	}
	tout[v] = timer-1;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	timer = 0;
	for(int i = 0;i<n;i++){
		adj[i].clear();
	}
	for(int i = 0;i<n-1;i++){
		adj[u[i]].push_back(v[i]);
		adj[v[i]].push_back(u[i]);
	}
	dfs(0,-1);
	vector<int> labels(n);
	vector<pair<int,pair<int,int>>> ord;
	for (int i = 0; i < n; i++) {
		if(dep[i] & 1){
			ord.push_back({tin[i],{-dep[i],i}});
		}
		else{
			ord.push_back({tout[i],{-dep[i],i}});
		}
	}
	sort(ord.begin(),ord.end());
	for(int i = 0;i<n;i++){
		labels[ord[i].second.second] = i;
	}
	return labels;
}

int find_next_station(int s, int t, vector<int> c) {
	int sz = c.size();
	sort(c.begin(),c.end());
	for(auto u:c){
		if(u == t)
			return u;
	}
	if(c[0] > s){
		int last = s + 1;
		for(int i = 0;i<sz-1;i++){
			if(last <= t && t <= c[i]){
				return c[i];
			}
			last = c[i] + 1;
		}
		return c[sz-1];
	}
	else{
		reverse(c.begin(),c.end());
		int last = s - 1;
		for(int i = 0;i<sz-1;i++){
			if(c[i] <= t && t <= last){
				return c[i];
			}
			last = c[i] - 1;
		}
		return c[sz-1];
	}
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 556 ms 660 KB Output is correct
2 Correct 424 ms 660 KB Output is correct
3 Correct 851 ms 520 KB Output is correct
4 Correct 627 ms 436 KB Output is correct
5 Correct 495 ms 532 KB Output is correct
6 Correct 453 ms 672 KB Output is correct
7 Correct 426 ms 548 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 5 ms 620 KB Output is correct
10 Correct 2 ms 492 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 427 ms 596 KB Output is correct
2 Correct 548 ms 548 KB Output is correct
3 Correct 725 ms 528 KB Output is correct
4 Correct 625 ms 544 KB Output is correct
5 Correct 547 ms 528 KB Output is correct
6 Correct 459 ms 536 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 512 ms 664 KB Output is correct
2 Correct 410 ms 672 KB Output is correct
3 Correct 892 ms 528 KB Output is correct
4 Correct 660 ms 536 KB Output is correct
5 Correct 596 ms 416 KB Output is correct
6 Correct 434 ms 652 KB Output is correct
7 Correct 416 ms 656 KB Output is correct
8 Correct 3 ms 620 KB Output is correct
9 Correct 6 ms 620 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 534 ms 548 KB Output is correct
12 Correct 471 ms 736 KB Output is correct
13 Correct 394 ms 760 KB Output is correct
14 Correct 366 ms 532 KB Output is correct
15 Correct 53 ms 620 KB Output is correct
16 Correct 105 ms 544 KB Output is correct
17 Correct 89 ms 716 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 820 ms 512 KB Output is correct
2 Correct 768 ms 512 KB Output is correct
3 Correct 702 ms 528 KB Output is correct
4 Correct 3 ms 620 KB Output is correct
5 Correct 3 ms 620 KB Output is correct
6 Correct 0 ms 620 KB Output is correct
7 Correct 599 ms 548 KB Output is correct
8 Correct 1075 ms 512 KB Output is correct
9 Correct 791 ms 532 KB Output is correct
10 Correct 598 ms 556 KB Output is correct
11 Correct 5 ms 632 KB Output is correct
12 Correct 9 ms 492 KB Output is correct
13 Correct 4 ms 624 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 2 ms 620 KB Output is correct
16 Correct 593 ms 532 KB Output is correct
17 Correct 533 ms 532 KB Output is correct
18 Correct 575 ms 548 KB Output is correct
19 Correct 510 ms 532 KB Output is correct
20 Correct 467 ms 612 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 445 ms 796 KB Output is correct
2 Correct 385 ms 672 KB Output is correct
3 Correct 920 ms 508 KB Output is correct
4 Correct 640 ms 576 KB Output is correct
5 Correct 482 ms 532 KB Output is correct
6 Correct 370 ms 656 KB Output is correct
7 Correct 519 ms 548 KB Output is correct
8 Correct 2 ms 620 KB Output is correct
9 Correct 4 ms 628 KB Output is correct
10 Correct 0 ms 492 KB Output is correct
11 Correct 458 ms 548 KB Output is correct
12 Correct 527 ms 548 KB Output is correct
13 Correct 880 ms 416 KB Output is correct
14 Correct 590 ms 536 KB Output is correct
15 Correct 550 ms 420 KB Output is correct
16 Correct 359 ms 544 KB Output is correct
17 Correct 635 ms 536 KB Output is correct
18 Correct 412 ms 648 KB Output is correct
19 Correct 476 ms 776 KB Output is correct
20 Correct 331 ms 524 KB Output is correct
21 Correct 48 ms 544 KB Output is correct
22 Correct 59 ms 544 KB Output is correct
23 Correct 103 ms 548 KB Output is correct
24 Correct 6 ms 624 KB Output is correct
25 Correct 6 ms 492 KB Output is correct
26 Correct 4 ms 632 KB Output is correct
27 Correct 4 ms 496 KB Output is correct
28 Correct 1 ms 620 KB Output is correct
29 Correct 485 ms 528 KB Output is correct
30 Correct 494 ms 548 KB Output is correct
31 Correct 475 ms 420 KB Output is correct
32 Correct 527 ms 588 KB Output is correct
33 Correct 500 ms 548 KB Output is correct
34 Correct 273 ms 664 KB Output is correct
35 Correct 380 ms 620 KB Output is correct
36 Correct 445 ms 768 KB Output is correct
37 Correct 446 ms 524 KB Output is correct
38 Correct 453 ms 648 KB Output is correct
39 Correct 406 ms 656 KB Output is correct
40 Correct 409 ms 772 KB Output is correct
41 Correct 486 ms 640 KB Output is correct
42 Correct 54 ms 672 KB Output is correct
43 Correct 137 ms 672 KB Output is correct
44 Correct 124 ms 548 KB Output is correct
45 Correct 201 ms 536 KB Output is correct
46 Correct 323 ms 544 KB Output is correct
47 Correct 242 ms 660 KB Output is correct
48 Correct 59 ms 836 KB Output is correct
49 Correct 56 ms 820 KB Output is correct