oj.uz

Submission #400933

# Submission time Handle Problem Language Result Execution time Memory
400933 2021-05-08T20:58:04 Z zoooma13 Stations (IOI20_stations) C++14
100 / 100
 1251 ms 744 KB 
#include "bits/stdc++.h"
#include "stations.h"
using namespace std;

#define MAX_N 1003

int lbl[MAX_N] ,nn = 0;
vector <vector<int>> adj;
void dfs(int u ,int p=-1 ,int t=0){
    if(t == 0) lbl[u] = nn++;
    for(int&v : adj[u]) if(v != p)
        dfs(v ,u ,1-t);
    if(t == 1) lbl[u] = nn++;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    adj.clear() ,adj.resize(n);
    for(int i = 0; i < u.size(); i++)
        adj[u[i]].push_back(v[i]),
        adj[v[i]].push_back(u[i]);
    nn = 0 ,dfs(0);
	return {lbl ,lbl+n};
}

int find_next_station(int s, int t, vector<int> c) {
	if(count(c.begin() ,c.end() ,t))
        return t;
    if(s < c.front()){
        if(t < s)
            return c.back();
        for(int&i : c) if(t <= i)
            return i;
        return c.back();
    }else{
        if(t > s)
            return c.front();
        reverse(c.begin() ,c.end());
        for(int&i : c) if(i <= t)
            return i;
        return c.back();
    }
}

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:18:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     for(int i = 0; i < u.size(); i++)
      |                    ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 544 ms 680 KB Output is correct
2 Correct 501 ms 656 KB Output is correct
3 Correct 1202 ms 476 KB Output is correct
4 Correct 814 ms 532 KB Output is correct
5 Correct 658 ms 404 KB Output is correct
6 Correct 459 ms 620 KB Output is correct
7 Correct 585 ms 528 KB Output is correct
8 Correct 3 ms 472 KB Output is correct
9 Correct 5 ms 472 KB Output is correct
10 Correct 2 ms 472 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 500 ms 496 KB Output is correct
2 Correct 636 ms 528 KB Output is correct
3 Correct 1077 ms 400 KB Output is correct
4 Correct 843 ms 528 KB Output is correct
5 Correct 792 ms 404 KB Output is correct
6 Correct 599 ms 528 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 566 ms 656 KB Output is correct
2 Correct 592 ms 692 KB Output is correct
3 Correct 1202 ms 404 KB Output is correct
4 Correct 792 ms 428 KB Output is correct
5 Correct 577 ms 528 KB Output is correct
6 Correct 453 ms 744 KB Output is correct
7 Correct 620 ms 528 KB Output is correct
8 Correct 3 ms 472 KB Output is correct
9 Correct 6 ms 480 KB Output is correct
10 Correct 2 ms 472 KB Output is correct
11 Correct 691 ms 488 KB Output is correct
12 Correct 578 ms 528 KB Output is correct
13 Correct 597 ms 608 KB Output is correct
14 Correct 557 ms 528 KB Output is correct
15 Correct 52 ms 400 KB Output is correct
16 Correct 66 ms 528 KB Output is correct
17 Correct 148 ms 528 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1075 ms 468 KB Output is correct
2 Correct 870 ms 400 KB Output is correct
3 Correct 793 ms 400 KB Output is correct
4 Correct 3 ms 480 KB Output is correct
5 Correct 6 ms 456 KB Output is correct
6 Correct 2 ms 472 KB Output is correct
7 Correct 755 ms 400 KB Output is correct
8 Correct 1251 ms 520 KB Output is correct
9 Correct 886 ms 488 KB Output is correct
10 Correct 585 ms 496 KB Output is correct
11 Correct 5 ms 472 KB Output is correct
12 Correct 6 ms 468 KB Output is correct
13 Correct 6 ms 480 KB Output is correct
14 Correct 5 ms 480 KB Output is correct
15 Correct 2 ms 472 KB Output is correct
16 Correct 573 ms 400 KB Output is correct
17 Correct 742 ms 528 KB Output is correct
18 Correct 643 ms 488 KB Output is correct
19 Correct 670 ms 488 KB Output is correct
20 Correct 716 ms 488 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 631 ms 620 KB Output is correct
2 Correct 533 ms 604 KB Output is correct
3 Correct 1029 ms 468 KB Output is correct
4 Correct 813 ms 492 KB Output is correct
5 Correct 725 ms 492 KB Output is correct
6 Correct 629 ms 620 KB Output is correct
7 Correct 481 ms 492 KB Output is correct
8 Correct 2 ms 472 KB Output is correct
9 Correct 4 ms 484 KB Output is correct
10 Correct 2 ms 472 KB Output is correct
11 Correct 609 ms 484 KB Output is correct
12 Correct 601 ms 496 KB Output is correct
13 Correct 1113 ms 400 KB Output is correct
14 Correct 754 ms 492 KB Output is correct
15 Correct 610 ms 492 KB Output is correct
16 Correct 506 ms 492 KB Output is correct
17 Correct 836 ms 400 KB Output is correct
18 Correct 533 ms 576 KB Output is correct
19 Correct 578 ms 620 KB Output is correct
20 Correct 618 ms 520 KB Output is correct
21 Correct 58 ms 452 KB Output is correct
22 Correct 86 ms 548 KB Output is correct
23 Correct 128 ms 528 KB Output is correct
24 Correct 4 ms 472 KB Output is correct
25 Correct 7 ms 472 KB Output is correct
26 Correct 6 ms 472 KB Output is correct
27 Correct 4 ms 472 KB Output is correct
28 Correct 2 ms 472 KB Output is correct
29 Correct 711 ms 400 KB Output is correct
30 Correct 513 ms 500 KB Output is correct
31 Correct 643 ms 404 KB Output is correct
32 Correct 644 ms 400 KB Output is correct
33 Correct 619 ms 624 KB Output is correct
34 Correct 294 ms 660 KB Output is correct
35 Correct 507 ms 648 KB Output is correct
36 Correct 524 ms 736 KB Output is correct
37 Correct 576 ms 620 KB Output is correct
38 Correct 597 ms 608 KB Output is correct
39 Correct 552 ms 624 KB Output is correct
40 Correct 508 ms 524 KB Output is correct
41 Correct 459 ms 736 KB Output is correct
42 Correct 74 ms 628 KB Output is correct
43 Correct 110 ms 528 KB Output is correct
44 Correct 184 ms 588 KB Output is correct
45 Correct 214 ms 528 KB Output is correct
46 Correct 431 ms 536 KB Output is correct
47 Correct 352 ms 528 KB Output is correct
48 Correct 73 ms 512 KB Output is correct
49 Correct 78 ms 624 KB Output is correct