oj.uz

Submission #541600

# Submission time Handle Problem Language Result Execution time Memory
541600 2022-03-23T20:17:27 Z Vladth11 Stations (IOI20_stations) C++14
100 / 100
 751 ms 720 KB 
#include <bits/stdc++.h>
#include "stations.h"
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "

using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <long double, pii> muchie;

const ll NMAX = 1001;
const ll VMAX = 1000001;
const ll INF = (1LL << 60);
const ll MOD = 1000000007;
const ll BLOCK = 1000000;
const ll nr_of_bits = 16;

vector <int> sol;
int lvl[NMAX];
vector <int> g[NMAX];
int stamp;

void DFS(int node, int p){
    lvl[node] = lvl[p] + 1;
    if(lvl[node] % 2){
        sol[node] = stamp++;
    }
    for(auto x : g[node]){
        if(x == p)
            continue;
        DFS(x, node);
    }
    if(lvl[node] % 2 == 0)
        sol[node] = stamp++;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	sol.clear();
	sol.resize(n);
	stamp = 0;
	for(int i = 0; i < n; i++){
        g[i].clear();
        lvl[i] = 0;
	}
	for (int i = 0; i < n - 1; i++) {
        int a = u[i];
        int b = v[i];
        g[a].push_back(b);
        g[b].push_back(a);
	}
    DFS(0, -1);
    return sol;
}

int find_next_station(int s, int t, vector<int> c) {
    sort(c.begin(), c.end());
    if(s >= c[0])
        reverse(c.begin(), c.end());
    for(int i = 0; i < c.size() - 1; i++){
        if(c[i] > s && s <= t && t <= c[i]){
            return c[i];
        }else if(c[i] < s && c[i] <= t && t <= s){
            return c[i];
        }
    }
    return c.back();
}

Compilation message

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |     for(int i = 0; i < c.size() - 1; i++){
      |                    ~~^~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 449 ms 548 KB Output is correct
2 Correct 392 ms 656 KB Output is correct
3 Correct 738 ms 528 KB Output is correct
4 Correct 530 ms 532 KB Output is correct
5 Correct 493 ms 532 KB Output is correct
6 Correct 411 ms 544 KB Output is correct
7 Correct 400 ms 544 KB Output is correct
8 Correct 1 ms 492 KB Output is correct
9 Correct 5 ms 492 KB Output is correct
10 Correct 1 ms 492 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 392 ms 604 KB Output is correct
2 Correct 430 ms 536 KB Output is correct
3 Correct 747 ms 416 KB Output is correct
4 Correct 551 ms 416 KB Output is correct
5 Correct 486 ms 420 KB Output is correct
6 Correct 373 ms 536 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 441 ms 548 KB Output is correct
2 Correct 415 ms 640 KB Output is correct
3 Correct 707 ms 420 KB Output is correct
4 Correct 583 ms 420 KB Output is correct
5 Correct 459 ms 536 KB Output is correct
6 Correct 364 ms 540 KB Output is correct
7 Correct 363 ms 544 KB Output is correct
8 Correct 1 ms 500 KB Output is correct
9 Correct 4 ms 500 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 488 ms 532 KB Output is correct
12 Correct 358 ms 648 KB Output is correct
13 Correct 427 ms 636 KB Output is correct
14 Correct 347 ms 528 KB Output is correct
15 Correct 45 ms 612 KB Output is correct
16 Correct 65 ms 532 KB Output is correct
17 Correct 88 ms 572 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 713 ms 516 KB Output is correct
2 Correct 583 ms 420 KB Output is correct
3 Correct 408 ms 416 KB Output is correct
4 Correct 2 ms 496 KB Output is correct
5 Correct 4 ms 572 KB Output is correct
6 Correct 0 ms 492 KB Output is correct
7 Correct 475 ms 416 KB Output is correct
8 Correct 677 ms 416 KB Output is correct
9 Correct 567 ms 532 KB Output is correct
10 Correct 453 ms 548 KB Output is correct
11 Correct 3 ms 500 KB Output is correct
12 Correct 4 ms 444 KB Output is correct
13 Correct 3 ms 492 KB Output is correct
14 Correct 3 ms 492 KB Output is correct
15 Correct 1 ms 500 KB Output is correct
16 Correct 418 ms 416 KB Output is correct
17 Correct 416 ms 528 KB Output is correct
18 Correct 443 ms 416 KB Output is correct
19 Correct 411 ms 536 KB Output is correct
20 Correct 416 ms 532 KB Output is correct

Subtask #5
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 453 ms 548 KB Output is correct
2 Correct 417 ms 540 KB Output is correct
3 Correct 692 ms 416 KB Output is correct
4 Correct 560 ms 532 KB Output is correct
5 Correct 542 ms 676 KB Output is correct
6 Correct 323 ms 520 KB Output is correct
7 Correct 368 ms 548 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 4 ms 496 KB Output is correct
10 Correct 1 ms 492 KB Output is correct
11 Correct 398 ms 544 KB Output is correct
12 Correct 433 ms 524 KB Output is correct
13 Correct 751 ms 532 KB Output is correct
14 Correct 545 ms 416 KB Output is correct
15 Correct 462 ms 564 KB Output is correct
16 Correct 402 ms 532 KB Output is correct
17 Correct 463 ms 420 KB Output is correct
18 Correct 357 ms 548 KB Output is correct
19 Correct 375 ms 548 KB Output is correct
20 Correct 374 ms 536 KB Output is correct
21 Correct 52 ms 572 KB Output is correct
22 Correct 57 ms 600 KB Output is correct
23 Correct 101 ms 612 KB Output is correct
24 Correct 6 ms 492 KB Output is correct
25 Correct 5 ms 492 KB Output is correct
26 Correct 2 ms 500 KB Output is correct
27 Correct 4 ms 500 KB Output is correct
28 Correct 1 ms 492 KB Output is correct
29 Correct 410 ms 536 KB Output is correct
30 Correct 382 ms 420 KB Output is correct
31 Correct 400 ms 420 KB Output is correct
32 Correct 469 ms 420 KB Output is correct
33 Correct 430 ms 420 KB Output is correct
34 Correct 276 ms 532 KB Output is correct
35 Correct 337 ms 652 KB Output is correct
36 Correct 381 ms 652 KB Output is correct
37 Correct 376 ms 636 KB Output is correct
38 Correct 404 ms 652 KB Output is correct
39 Correct 373 ms 640 KB Output is correct
40 Correct 343 ms 660 KB Output is correct
41 Correct 372 ms 668 KB Output is correct
42 Correct 55 ms 600 KB Output is correct
43 Correct 98 ms 676 KB Output is correct
44 Correct 115 ms 544 KB Output is correct
45 Correct 135 ms 532 KB Output is correct
46 Correct 254 ms 536 KB Output is correct
47 Correct 257 ms 548 KB Output is correct
48 Correct 48 ms 704 KB Output is correct
49 Correct 56 ms 720 KB Output is correct