oj.uz

Submission #591791

# Submission time Handle Problem Language Result Execution time Memory
591791 2022-07-07T22:56:44 Z APROHACK Stations (IOI20_stations) C++14
100 / 100
 902 ms 788 KB 
#include "stations.h"
#include <bits/stdc++.h>
#include <vector>
#define ff first
#define ss second
#define ll long long
#define pb push_back
using namespace std;
const int N = 1005;
vector<int>adj[N];
bool vis[N];
int cur = 0;
int labeled[N];
void dfs(int node, bool in){
	vis[node]=true;
	if(in)labeled[node]=cur++;
	for(int i = 0 ;i < adj[node].size() ; i++){
		if(!vis[adj[node][i]])dfs(adj[node][i], !in);
	}
	if(!in)labeled[node]=cur++;

}
vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
	cur=0;
	memset(vis, false, sizeof vis);
	for(int i = 0 ; i < n ; i++){
		adj[i].clear();
	}
	vector<int> labels(n);
	for(int i = 0 ; i < n-1  ; i ++){
		adj[u[i]].pb(v[i]);
		adj[v[i]].pb(u[i]);
	}
	dfs(0, true);
	for(int i = 0 ; i < n ; i ++){
		labels[i]=labeled[i];
	}
	return labels;
}

int find_next_station(int s, int t, vector<int> c) {
	
	if(c[0]>s){
		//es un in
		if(t<s || t>=c[c.size()-1]){
			return c[c.size()-1];
		}else{
			int ans = 0;
			for(int i = c.size()-1 ; i>= 0 ; i--){
				if(c[i]>=t)ans=i;
			}
			return c[ans];
		}
	}else{
		// es un out

		if(t>s || t<=c[0]){
			return c[0];
		}else{
			int ans = 0;
			for(int i = 0 ; i < c.size() ; i++){
				if(c[i]<=t)ans=i;
			}
			return c[ans];
		}
	}
}

Compilation message

stations.cpp: In function 'void dfs(int, bool)':
stations.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for(int i = 0 ;i < adj[node].size() ; i++){
      |                 ~~^~~~~~~~~~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:61:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |    for(int i = 0 ; i < c.size() ; i++){
      |                    ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 520 ms 544 KB Output is correct
2 Correct 484 ms 532 KB Output is correct
3 Correct 827 ms 516 KB Output is correct
4 Correct 598 ms 544 KB Output is correct
5 Correct 519 ms 416 KB Output is correct
6 Correct 436 ms 544 KB Output is correct
7 Correct 401 ms 544 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 4 ms 500 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 485 ms 532 KB Output is correct
2 Correct 545 ms 524 KB Output is correct
3 Correct 865 ms 568 KB Output is correct
4 Correct 671 ms 536 KB Output is correct
5 Correct 644 ms 420 KB Output is correct
6 Correct 417 ms 620 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 554 ms 532 KB Output is correct
2 Correct 394 ms 548 KB Output is correct
3 Correct 902 ms 512 KB Output is correct
4 Correct 495 ms 532 KB Output is correct
5 Correct 545 ms 416 KB Output is correct
6 Correct 417 ms 532 KB Output is correct
7 Correct 486 ms 552 KB Output is correct
8 Correct 2 ms 500 KB Output is correct
9 Correct 3 ms 500 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 562 ms 528 KB Output is correct
12 Correct 479 ms 632 KB Output is correct
13 Correct 424 ms 648 KB Output is correct
14 Correct 341 ms 544 KB Output is correct
15 Correct 45 ms 420 KB Output is correct
16 Correct 60 ms 604 KB Output is correct
17 Correct 125 ms 544 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 877 ms 420 KB Output is correct
2 Correct 591 ms 416 KB Output is correct
3 Correct 568 ms 420 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 2 ms 500 KB Output is correct
7 Correct 556 ms 528 KB Output is correct
8 Correct 835 ms 416 KB Output is correct
9 Correct 599 ms 536 KB Output is correct
10 Correct 537 ms 532 KB Output is correct
11 Correct 4 ms 492 KB Output is correct
12 Correct 5 ms 500 KB Output is correct
13 Correct 4 ms 500 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 422 ms 524 KB Output is correct
17 Correct 487 ms 416 KB Output is correct
18 Correct 335 ms 552 KB Output is correct
19 Correct 488 ms 660 KB Output is correct
20 Correct 510 ms 532 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 481 ms 544 KB Output is correct
2 Correct 439 ms 548 KB Output is correct
3 Correct 856 ms 532 KB Output is correct
4 Correct 664 ms 420 KB Output is correct
5 Correct 575 ms 420 KB Output is correct
6 Correct 356 ms 540 KB Output is correct
7 Correct 379 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 504 KB Output is correct
11 Correct 462 ms 528 KB Output is correct
12 Correct 483 ms 536 KB Output is correct
13 Correct 862 ms 420 KB Output is correct
14 Correct 586 ms 416 KB Output is correct
15 Correct 541 ms 536 KB Output is correct
16 Correct 412 ms 544 KB Output is correct
17 Correct 582 ms 528 KB Output is correct
18 Correct 426 ms 640 KB Output is correct
19 Correct 370 ms 668 KB Output is correct
20 Correct 428 ms 532 KB Output is correct
21 Correct 51 ms 444 KB Output is correct
22 Correct 59 ms 672 KB Output is correct
23 Correct 138 ms 672 KB Output is correct
24 Correct 3 ms 632 KB Output is correct
25 Correct 5 ms 500 KB Output is correct
26 Correct 3 ms 500 KB Output is correct
27 Correct 3 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct
29 Correct 543 ms 420 KB Output is correct
30 Correct 494 ms 540 KB Output is correct
31 Correct 568 ms 536 KB Output is correct
32 Correct 508 ms 532 KB Output is correct
33 Correct 530 ms 420 KB Output is correct
34 Correct 314 ms 536 KB Output is correct
35 Correct 477 ms 664 KB Output is correct
36 Correct 418 ms 656 KB Output is correct
37 Correct 402 ms 676 KB Output is correct
38 Correct 455 ms 644 KB Output is correct
39 Correct 455 ms 788 KB Output is correct
40 Correct 421 ms 644 KB Output is correct
41 Correct 500 ms 648 KB Output is correct
42 Correct 46 ms 596 KB Output is correct
43 Correct 99 ms 544 KB Output is correct
44 Correct 116 ms 528 KB Output is correct
45 Correct 121 ms 544 KB Output is correct
46 Correct 281 ms 544 KB Output is correct
47 Correct 276 ms 520 KB Output is correct
48 Correct 55 ms 700 KB Output is correct
49 Correct 73 ms 768 KB Output is correct