oj.uz

Submission #796929

# Submission time Handle Problem Language Result Execution time Memory
796929 2023-07-28T23:29:26 Z vjudge1 Stations (IOI20_stations) C++17
100 / 100
 816 ms 856 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
int cnt = 0;
vector<int> adj[1010];
vector<int> labels;
void dfs(int n, int p, int dep=1) {
    if(dep%2)
        labels[n] = cnt++;
    for(auto j: adj[n])
        if(j!=p)
            dfs(j,n,dep+1);
    if(!(dep%2))
        labels[n] = cnt++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    cnt = k = 0;
    for(int i = 0; i < n; i++)
        adj[i].clear();
    labels.resize(n);
	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);
	return labels;
}
bool inrange(int l, int r, int x) {
    if(l>r) swap(l,r);
    return l<=x&&x<=r;
}
int find_next_station(int s, int t, vector<int> c) {
	c.push_back(s);
     sort(c.begin(),c.end());
    if(c[0]==s)
        reverse(c.begin(),c.end());
    int p = c[0];
    int start = 1;
    if(s==0) start = 0;
    for(int i = start; i < c.size()-1; i++)
        if(inrange(c[i],c[i+1]+(c[i]<c[i+1]?-1:1),t))
            return c[i];
    return p;
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:38:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for(int i = start; i < c.size()-1; i++)
      |                        ~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 503 ms 548 KB Output is correct
2 Correct 348 ms 660 KB Output is correct
3 Correct 675 ms 416 KB Output is correct
4 Correct 474 ms 544 KB Output is correct
5 Correct 468 ms 420 KB Output is correct
6 Correct 364 ms 548 KB Output is correct
7 Correct 333 ms 544 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 4 ms 488 KB Output is correct
10 Correct 0 ms 488 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 335 ms 528 KB Output is correct
2 Correct 368 ms 548 KB Output is correct
3 Correct 684 ms 592 KB Output is correct
4 Correct 571 ms 420 KB Output is correct
5 Correct 511 ms 416 KB Output is correct
6 Correct 337 ms 528 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 488 ms 676 KB Output is correct
2 Correct 400 ms 664 KB Output is correct
3 Correct 506 ms 536 KB Output is correct
4 Correct 399 ms 416 KB Output is correct
5 Correct 440 ms 416 KB Output is correct
6 Correct 304 ms 544 KB Output is correct
7 Correct 342 ms 528 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 3 ms 504 KB Output is correct
10 Correct 0 ms 500 KB Output is correct
11 Correct 507 ms 528 KB Output is correct
12 Correct 429 ms 760 KB Output is correct
13 Correct 335 ms 664 KB Output is correct
14 Correct 312 ms 544 KB Output is correct
15 Correct 38 ms 500 KB Output is correct
16 Correct 57 ms 580 KB Output is correct
17 Correct 60 ms 712 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 788 ms 524 KB Output is correct
2 Correct 515 ms 420 KB Output is correct
3 Correct 511 ms 532 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 4 ms 488 KB Output is correct
6 Correct 0 ms 500 KB Output is correct
7 Correct 441 ms 524 KB Output is correct
8 Correct 615 ms 508 KB Output is correct
9 Correct 552 ms 416 KB Output is correct
10 Correct 425 ms 420 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 3 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 500 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 377 ms 660 KB Output is correct
17 Correct 396 ms 416 KB Output is correct
18 Correct 371 ms 420 KB Output is correct
19 Correct 425 ms 544 KB Output is correct
20 Correct 436 ms 532 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 333 ms 676 KB Output is correct
2 Correct 436 ms 676 KB Output is correct
3 Correct 816 ms 532 KB Output is correct
4 Correct 538 ms 420 KB Output is correct
5 Correct 516 ms 528 KB Output is correct
6 Correct 387 ms 656 KB Output is correct
7 Correct 286 ms 544 KB Output is correct
8 Correct 1 ms 500 KB Output is correct
9 Correct 3 ms 500 KB Output is correct
10 Correct 0 ms 500 KB Output is correct
11 Correct 394 ms 544 KB Output is correct
12 Correct 457 ms 544 KB Output is correct
13 Correct 629 ms 420 KB Output is correct
14 Correct 607 ms 544 KB Output is correct
15 Correct 546 ms 416 KB Output is correct
16 Correct 296 ms 548 KB Output is correct
17 Correct 453 ms 528 KB Output is correct
18 Correct 317 ms 528 KB Output is correct
19 Correct 317 ms 648 KB Output is correct
20 Correct 425 ms 524 KB Output is correct
21 Correct 39 ms 492 KB Output is correct
22 Correct 49 ms 524 KB Output is correct
23 Correct 100 ms 712 KB Output is correct
24 Correct 3 ms 500 KB Output is correct
25 Correct 4 ms 500 KB Output is correct
26 Correct 3 ms 492 KB Output is correct
27 Correct 3 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 386 ms 420 KB Output is correct
30 Correct 456 ms 524 KB Output is correct
31 Correct 496 ms 528 KB Output is correct
32 Correct 348 ms 416 KB Output is correct
33 Correct 341 ms 416 KB Output is correct
34 Correct 198 ms 656 KB Output is correct
35 Correct 361 ms 788 KB Output is correct
36 Correct 348 ms 768 KB Output is correct
37 Correct 440 ms 548 KB Output is correct
38 Correct 407 ms 548 KB Output is correct
39 Correct 395 ms 648 KB Output is correct
40 Correct 406 ms 856 KB Output is correct
41 Correct 350 ms 680 KB Output is correct
42 Correct 58 ms 648 KB Output is correct
43 Correct 101 ms 704 KB Output is correct
44 Correct 130 ms 528 KB Output is correct
45 Correct 140 ms 524 KB Output is correct
46 Correct 303 ms 544 KB Output is correct
47 Correct 266 ms 624 KB Output is correct
48 Correct 54 ms 820 KB Output is correct
49 Correct 56 ms 676 KB Output is correct