oj.uz

Submission #800618

# Submission time Handle Problem Language Result Execution time Memory
800618 2023-08-01T16:47:24 Z Liudas Stations (IOI20_stations) C++17
100 / 100
 758 ms 760 KB 
#include <bits/stdc++.h>
#define endl "\n"
using namespace std;
void dfs(int head, int par, vector<vector<int>> &tree, int &col, vector<int> &labels, int d){
    if(!d){
        labels[head] = col ++;
    }
    for(int i : tree[head]){
        if(i != par){
            dfs(i, head, tree, col, labels, d ^ 1);
        }
    }
    if(d){
        labels[head] = col++;
    }
}
int find_next_station(int s, int t, vector<int> labels){
    sort(labels.begin(), labels.end());
    if(s < labels[0]){
        if(t < s || t >= labels.back()){
            return labels.back();
        }
        for(int i : labels){
            if(i >= t){
                return i;
            }
        }
    }
    else{
        if(t > s || t <= labels[0]){
            return labels[0];
        }
        reverse(labels.begin(), labels.end());
        for(int i : labels){
            if(i <= t){
                return i;
            }
        }
    }
}
vector<int> label(int N, int K, vector<int> U, vector<int> V){
    vector<vector<int>> tree(N);
    for(int i = 0; i < N-1; i ++){
        tree[U[i]].push_back(V[i]);
        tree[V[i]].push_back(U[i]);
    }
    vector<int> labels(N);
    int col = 0;
    dfs(0, -1, tree, col, labels, 0);
    return labels;
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:40:1: warning: control reaches end of non-void function [-Wreturn-type]
   40 | }
      | ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 400 ms 672 KB Output is correct
2 Correct 305 ms 636 KB Output is correct
3 Correct 607 ms 504 KB Output is correct
4 Correct 520 ms 500 KB Output is correct
5 Correct 562 ms 636 KB Output is correct
6 Correct 259 ms 544 KB Output is correct
7 Correct 324 ms 548 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 0 ms 492 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 396 ms 544 KB Output is correct
2 Correct 436 ms 508 KB Output is correct
3 Correct 693 ms 416 KB Output is correct
4 Correct 470 ms 508 KB Output is correct
5 Correct 532 ms 500 KB Output is correct
6 Correct 429 ms 504 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 405 ms 672 KB Output is correct
2 Correct 390 ms 636 KB Output is correct
3 Correct 709 ms 504 KB Output is correct
4 Correct 572 ms 416 KB Output is correct
5 Correct 429 ms 528 KB Output is correct
6 Correct 411 ms 760 KB Output is correct
7 Correct 343 ms 632 KB Output is correct
8 Correct 1 ms 500 KB Output is correct
9 Correct 3 ms 488 KB Output is correct
10 Correct 0 ms 492 KB Output is correct
11 Correct 414 ms 420 KB Output is correct
12 Correct 352 ms 708 KB Output is correct
13 Correct 379 ms 716 KB Output is correct
14 Correct 366 ms 544 KB Output is correct
15 Correct 37 ms 492 KB Output is correct
16 Correct 57 ms 568 KB Output is correct
17 Correct 64 ms 576 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 646 ms 416 KB Output is correct
2 Correct 578 ms 548 KB Output is correct
3 Correct 444 ms 508 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 492 KB Output is correct
6 Correct 0 ms 488 KB Output is correct
7 Correct 559 ms 508 KB Output is correct
8 Correct 758 ms 504 KB Output is correct
9 Correct 507 ms 500 KB Output is correct
10 Correct 506 ms 504 KB Output is correct
11 Correct 3 ms 500 KB Output is correct
12 Correct 4 ms 452 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 3 ms 496 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 379 ms 508 KB Output is correct
17 Correct 398 ms 416 KB Output is correct
18 Correct 432 ms 420 KB Output is correct
19 Correct 427 ms 508 KB Output is correct
20 Correct 489 ms 500 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 368 ms 632 KB Output is correct
2 Correct 400 ms 632 KB Output is correct
3 Correct 706 ms 508 KB Output is correct
4 Correct 459 ms 420 KB Output is correct
5 Correct 409 ms 420 KB Output is correct
6 Correct 381 ms 628 KB Output is correct
7 Correct 382 ms 508 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 3 ms 492 KB Output is correct
10 Correct 0 ms 500 KB Output is correct
11 Correct 325 ms 508 KB Output is correct
12 Correct 433 ms 544 KB Output is correct
13 Correct 662 ms 420 KB Output is correct
14 Correct 558 ms 508 KB Output is correct
15 Correct 503 ms 420 KB Output is correct
16 Correct 333 ms 548 KB Output is correct
17 Correct 484 ms 416 KB Output is correct
18 Correct 364 ms 732 KB Output is correct
19 Correct 282 ms 708 KB Output is correct
20 Correct 298 ms 544 KB Output is correct
21 Correct 57 ms 492 KB Output is correct
22 Correct 52 ms 556 KB Output is correct
23 Correct 75 ms 640 KB Output is correct
24 Correct 5 ms 492 KB Output is correct
25 Correct 4 ms 492 KB Output is correct
26 Correct 3 ms 500 KB Output is correct
27 Correct 3 ms 492 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 391 ms 416 KB Output is correct
30 Correct 430 ms 420 KB Output is correct
31 Correct 463 ms 416 KB Output is correct
32 Correct 371 ms 420 KB Output is correct
33 Correct 360 ms 504 KB Output is correct
34 Correct 272 ms 548 KB Output is correct
35 Correct 343 ms 688 KB Output is correct
36 Correct 364 ms 632 KB Output is correct
37 Correct 400 ms 624 KB Output is correct
38 Correct 313 ms 692 KB Output is correct
39 Correct 354 ms 580 KB Output is correct
40 Correct 322 ms 632 KB Output is correct
41 Correct 363 ms 632 KB Output is correct
42 Correct 58 ms 548 KB Output is correct
43 Correct 67 ms 548 KB Output is correct
44 Correct 89 ms 544 KB Output is correct
45 Correct 151 ms 548 KB Output is correct
46 Correct 260 ms 544 KB Output is correct
47 Correct 227 ms 508 KB Output is correct
48 Correct 44 ms 684 KB Output is correct
49 Correct 42 ms 676 KB Output is correct