oj.uz

Submission #1074130

# Submission time Handle Problem Language Result Execution time Memory
1074130 2024-08-25T08:13:48 Z TheQuantiX Stations (IOI20_stations) C++17
76 / 100
 668 ms 1340 KB 
#include <bits/stdc++.h>
#include "stations.h"

using namespace std;
using ll = long long;

ll n, m, q, k, x, y, a, b, c;
vector<ll> G[1000];

void dfs(ll x, ll p, ll depth, ll &timer, vector<int> &ans) {
    // cout << x << ' ' << p << ' ' << depth << ' ' << timer << endl;
    if (depth % 2 == 0) {
        ans[x] = timer;
    }
    timer++;
    for (int i : G[x]) {
        if (i != p) {
            dfs(i, x, depth + 1, timer, ans);
        }
    }
    if (depth % 2 == 1) {
        ans[x] = timer;
    }
    timer++;
}

vector<int> label(int N, int K, vector<int> u, vector<int> v) {
    n = N;
    k = K;
    for (int i = 0; i < 1000; i++) {
        G[i].clear();
    }
    for (int i = 0; i < u.size(); i++) {
        G[u[i]].push_back(v[i]);
        G[v[i]].push_back(u[i]);
    }
    vector<int> ans(n);
    ll timer = 0;
    dfs(0, -1, 0, timer, ans);
    // for (int i = 0; i < n; i++) {
    //     cout << ans[i] << ' ';
    // }
    // cout << endl;
    return ans;
}

int find_next_station(int s, int t, vector<int> c) {
    // cout << s << ' ' << t << '\n';
    // for (int i = 0; i < c.size(); i++) {
    //     cout << c[i] << ' ';
    // }
    // cout << '\n';
    if (s > c[c.size() - 1]) {
        for (int i = 1; i < c.size(); i++) {
            if (c[i] > t) {
                return c[i - 1];
            }
        }
        if (s > t) {
            return c[c.size() - 1];
        }
        return c[0];
    }
    if (s > t) {
        return c[c.size() - 1];
    }
    for (int i = 0; i < c.size() - 1; i++) {
        if (c[i] >= t) {
            return c[i];
        }
    }
    return c[c.size() - 1];
}

Compilation message

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (int i = 0; i < u.size(); i++) {
      |                     ~~^~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:54:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         for (int i = 1; i < c.size(); i++) {
      |                         ~~^~~~~~~~~~
stations.cpp:67:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |     for (int i = 0; i < c.size() - 1; i++) {
      |                     ~~^~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 344 KB Invalid labels (values out of range). scenario=2, k=1000, vertex=1, label=1990
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 344 KB Invalid labels (values out of range). scenario=0, k=1000, vertex=1, label=1022
2 Halted 0 ms 0 KB -

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 374 ms 684 KB Output is correct
2 Correct 310 ms 684 KB Output is correct
3 Correct 549 ms 684 KB Output is correct
4 Correct 431 ms 684 KB Output is correct
5 Correct 359 ms 684 KB Output is correct
6 Correct 323 ms 684 KB Output is correct
7 Correct 309 ms 684 KB Output is correct
8 Correct 1 ms 768 KB Output is correct
9 Correct 1 ms 768 KB Output is correct
10 Correct 0 ms 776 KB Output is correct
11 Correct 407 ms 684 KB Output is correct
12 Correct 324 ms 1060 KB Output is correct
13 Correct 360 ms 1024 KB Output is correct
14 Correct 329 ms 684 KB Output is correct
15 Correct 32 ms 768 KB Output is correct
16 Correct 31 ms 776 KB Output is correct
17 Correct 61 ms 684 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 614 ms 684 KB Output is correct
2 Correct 482 ms 684 KB Output is correct
3 Correct 431 ms 684 KB Output is correct
4 Correct 1 ms 780 KB Output is correct
5 Correct 1 ms 768 KB Output is correct
6 Correct 0 ms 776 KB Output is correct
7 Correct 392 ms 684 KB Output is correct
8 Correct 574 ms 684 KB Output is correct
9 Correct 466 ms 940 KB Output is correct
10 Correct 412 ms 684 KB Output is correct
11 Correct 3 ms 768 KB Output is correct
12 Correct 3 ms 768 KB Output is correct
13 Correct 2 ms 768 KB Output is correct
14 Correct 1 ms 764 KB Output is correct
15 Correct 0 ms 780 KB Output is correct
16 Correct 355 ms 680 KB Output is correct
17 Correct 367 ms 684 KB Output is correct
18 Correct 363 ms 684 KB Output is correct
19 Correct 375 ms 684 KB Output is correct
20 Correct 340 ms 684 KB Output is correct

Subtask #5
50.0 / 61.0

# Verdict Execution time Memory Grader output
1 Partially correct 373 ms 928 KB Partially correct
2 Partially correct 288 ms 920 KB Partially correct
3 Correct 667 ms 684 KB Output is correct
4 Correct 474 ms 684 KB Output is correct
5 Correct 395 ms 684 KB Output is correct
6 Partially correct 299 ms 932 KB Partially correct
7 Partially correct 305 ms 688 KB Partially correct
8 Correct 1 ms 764 KB Output is correct
9 Correct 2 ms 768 KB Output is correct
10 Correct 1 ms 764 KB Output is correct
11 Partially correct 366 ms 800 KB Partially correct
12 Partially correct 382 ms 684 KB Partially correct
13 Correct 668 ms 684 KB Output is correct
14 Correct 480 ms 684 KB Output is correct
15 Correct 417 ms 684 KB Output is correct
16 Partially correct 272 ms 684 KB Partially correct
17 Correct 421 ms 684 KB Output is correct
18 Partially correct 310 ms 784 KB Partially correct
19 Partially correct 313 ms 1180 KB Partially correct
20 Partially correct 279 ms 684 KB Partially correct
21 Correct 37 ms 768 KB Output is correct
22 Partially correct 36 ms 684 KB Partially correct
23 Partially correct 59 ms 684 KB Partially correct
24 Correct 2 ms 768 KB Output is correct
25 Correct 3 ms 768 KB Output is correct
26 Correct 3 ms 776 KB Output is correct
27 Correct 2 ms 768 KB Output is correct
28 Correct 0 ms 768 KB Output is correct
29 Correct 348 ms 684 KB Output is correct
30 Correct 338 ms 684 KB Output is correct
31 Correct 333 ms 684 KB Output is correct
32 Correct 361 ms 684 KB Output is correct
33 Correct 378 ms 684 KB Output is correct
34 Partially correct 214 ms 684 KB Partially correct
35 Partially correct 292 ms 928 KB Partially correct
36 Partially correct 308 ms 932 KB Partially correct
37 Partially correct 328 ms 932 KB Partially correct
38 Partially correct 308 ms 936 KB Partially correct
39 Partially correct 278 ms 1184 KB Partially correct
40 Partially correct 305 ms 788 KB Partially correct
41 Partially correct 326 ms 1188 KB Partially correct
42 Partially correct 35 ms 768 KB Partially correct
43 Partially correct 56 ms 744 KB Partially correct
44 Partially correct 77 ms 688 KB Partially correct
45 Partially correct 107 ms 956 KB Partially correct
46 Partially correct 188 ms 684 KB Partially correct
47 Partially correct 214 ms 684 KB Partially correct
48 Partially correct 32 ms 1024 KB Partially correct
49 Partially correct 36 ms 1340 KB Partially correct