oj.uz

Submission #1106464

# Submission time Handle Problem Language Result Execution time Memory
1106464 2024-10-30T11:54:47 Z snpmrnhlol Stations (IOI20_stations) C++17
100 / 100
 836 ms 1032 KB 
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    vector <vector<int>> e;
    vector<int> labels;
    e.resize(n);
    int cnt = 0;
    auto dfs = [&](auto self, int node, int p, int d) -> void{
        if(d == 0)labels[node] = cnt++;
        for(auto i:e[node]){
            if(i == p)continue;
            self(self, i, node, d^1);
        }
        if(d == 1)labels[node] = cnt++;
    };
	labels.resize(n);
	for(int i = 0;i < n - 1;i++){
        e[u[i]].push_back(v[i]);
        e[v[i]].push_back(u[i]);
	}
	for(int i = 0;i < n;i++){
        if(e[i].size() == 1){
            dfs(dfs, i, -1, 0);
            break;
        }
	}
	return labels;
}

int find_next_station(int s, int t, std::vector<int> c) {
    if(c.size() == 1)return c[0];
    sort(c.begin(),c.end());
    if(s < c[0]){
        if(s <= t && t <= c[(int)c.size() - 2]){
            int nr = 1000000;
            for(auto i:c){
                if(t <= i){
                    nr = min(nr, i);
                }
            }
            return nr;
        }else{
            return c[(int)c.size() - 1];
        }
    }else{
        if(c[1] <= t && t <= s){
            int nr = -1;
            for(auto i:c){
                if(i <= t){
                    nr = max(nr, i);
                }
            }
            return nr;
        }else{
            return c[0];
        }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 479 ms 668 KB Output is correct
2 Correct 402 ms 668 KB Output is correct
3 Correct 836 ms 668 KB Output is correct
4 Correct 620 ms 668 KB Output is correct
5 Correct 520 ms 668 KB Output is correct
6 Correct 428 ms 668 KB Output is correct
7 Correct 396 ms 668 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 3 ms 936 KB Output is correct
10 Correct 1 ms 760 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 387 ms 668 KB Output is correct
2 Correct 495 ms 668 KB Output is correct
3 Correct 815 ms 668 KB Output is correct
4 Correct 602 ms 668 KB Output is correct
5 Correct 544 ms 668 KB Output is correct
6 Correct 403 ms 668 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 473 ms 668 KB Output is correct
2 Correct 398 ms 668 KB Output is correct
3 Correct 819 ms 668 KB Output is correct
4 Correct 607 ms 668 KB Output is correct
5 Correct 535 ms 668 KB Output is correct
6 Correct 405 ms 668 KB Output is correct
7 Correct 402 ms 668 KB Output is correct
8 Correct 3 ms 764 KB Output is correct
9 Correct 3 ms 752 KB Output is correct
10 Correct 1 ms 752 KB Output is correct
11 Correct 523 ms 668 KB Output is correct
12 Correct 409 ms 772 KB Output is correct
13 Correct 422 ms 764 KB Output is correct
14 Correct 422 ms 668 KB Output is correct
15 Correct 39 ms 752 KB Output is correct
16 Correct 48 ms 808 KB Output is correct
17 Correct 82 ms 668 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 828 ms 668 KB Output is correct
2 Correct 595 ms 668 KB Output is correct
3 Correct 527 ms 668 KB Output is correct
4 Correct 2 ms 752 KB Output is correct
5 Correct 3 ms 752 KB Output is correct
6 Correct 2 ms 752 KB Output is correct
7 Correct 559 ms 668 KB Output is correct
8 Correct 782 ms 668 KB Output is correct
9 Correct 617 ms 836 KB Output is correct
10 Correct 528 ms 668 KB Output is correct
11 Correct 4 ms 752 KB Output is correct
12 Correct 4 ms 920 KB Output is correct
13 Correct 3 ms 752 KB Output is correct
14 Correct 3 ms 764 KB Output is correct
15 Correct 2 ms 752 KB Output is correct
16 Correct 452 ms 668 KB Output is correct
17 Correct 446 ms 668 KB Output is correct
18 Correct 443 ms 668 KB Output is correct
19 Correct 449 ms 668 KB Output is correct
20 Correct 454 ms 668 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 490 ms 668 KB Output is correct
2 Correct 399 ms 668 KB Output is correct
3 Correct 783 ms 668 KB Output is correct
4 Correct 621 ms 668 KB Output is correct
5 Correct 559 ms 668 KB Output is correct
6 Correct 406 ms 668 KB Output is correct
7 Correct 386 ms 668 KB Output is correct
8 Correct 3 ms 752 KB Output is correct
9 Correct 4 ms 924 KB Output is correct
10 Correct 2 ms 752 KB Output is correct
11 Correct 409 ms 668 KB Output is correct
12 Correct 488 ms 668 KB Output is correct
13 Correct 783 ms 668 KB Output is correct
14 Correct 576 ms 668 KB Output is correct
15 Correct 522 ms 668 KB Output is correct
16 Correct 398 ms 668 KB Output is correct
17 Correct 537 ms 668 KB Output is correct
18 Correct 407 ms 776 KB Output is correct
19 Correct 408 ms 920 KB Output is correct
20 Correct 405 ms 668 KB Output is correct
21 Correct 39 ms 668 KB Output is correct
22 Correct 64 ms 752 KB Output is correct
23 Correct 80 ms 668 KB Output is correct
24 Correct 4 ms 752 KB Output is correct
25 Correct 4 ms 752 KB Output is correct
26 Correct 3 ms 752 KB Output is correct
27 Correct 3 ms 752 KB Output is correct
28 Correct 2 ms 756 KB Output is correct
29 Correct 450 ms 668 KB Output is correct
30 Correct 444 ms 668 KB Output is correct
31 Correct 459 ms 668 KB Output is correct
32 Correct 454 ms 668 KB Output is correct
33 Correct 468 ms 668 KB Output is correct
34 Correct 274 ms 668 KB Output is correct
35 Correct 369 ms 668 KB Output is correct
36 Correct 382 ms 764 KB Output is correct
37 Correct 412 ms 916 KB Output is correct
38 Correct 405 ms 776 KB Output is correct
39 Correct 418 ms 1024 KB Output is correct
40 Correct 394 ms 1032 KB Output is correct
41 Correct 412 ms 1032 KB Output is correct
42 Correct 45 ms 740 KB Output is correct
43 Correct 97 ms 668 KB Output is correct
44 Correct 106 ms 668 KB Output is correct
45 Correct 131 ms 668 KB Output is correct
46 Correct 275 ms 684 KB Output is correct
47 Correct 262 ms 668 KB Output is correct
48 Correct 50 ms 824 KB Output is correct
49 Correct 48 ms 752 KB Output is correct