oj.uz

답안 #1075417

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1075417 2024-08-26T05:47:19 Z juicy 경주 (Race) (IOI11_race) C++17
100 / 100
 301 ms 88656 KB 
#include "race.h"

#include <bits/stdc++.h>

using namespace std;

int best_path(int n, int k, int H[][2], int L[]) {
    vector<vector<array<int, 2>>> g(n);
    for (int i = 0; i < n; ++i) {
        for (auto it : {0, 1}) {
            g[H[i][it]].push_back({H[i][it ^ 1], i});
        }
    }
    vector<map<long long, int>> mp(n);
    function<int(int, int, int, long long)> dfs = [&](int u, int p, int h, long long dep) {
        int res = n + 1;
        mp[u][dep] = h;
        for (auto [v, ind] : g[u]) {
            if (v != p) {
                res = min(res, dfs(v, u, h + 1, dep + L[ind]));
                if (mp[u].size() < mp[v].size()) {
                    mp[u].swap(mp[v]);
                }
                for (auto [x, y] : mp[v]) {
                    if (mp[u].count(k + 2 * dep - x)) {
                        res = min(res, y + mp[u][k + 2 * dep - x] - 2 * h);
                    }
                }
                for (auto [x, y] : mp[v]) {
                    if (!mp[u].count(x)) {
                        mp[u][x] = y;
                    } else {
                        mp[u][x] = min(mp[u][x], y);
                    }
                }
                map<long long, int>().swap(mp[v]);
            }
        }
        return res;
    };
    auto res = dfs(0, 0, 0, 0);
    return res == n + 1 ? -1 : res;
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 2 ms 604 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 576 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 600 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 600 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 69 ms 12376 KB Output is correct
20 Correct 64 ms 12376 KB Output is correct
21 Correct 60 ms 12380 KB Output is correct
22 Correct 61 ms 12368 KB Output is correct
23 Correct 107 ms 12628 KB Output is correct
24 Correct 72 ms 12512 KB Output is correct
25 Correct 64 ms 28408 KB Output is correct
26 Correct 53 ms 44368 KB Output is correct
27 Correct 118 ms 27520 KB Output is correct
28 Correct 220 ms 88656 KB Output is correct
29 Correct 221 ms 85844 KB Output is correct
30 Correct 119 ms 27404 KB Output is correct
31 Correct 129 ms 27464 KB Output is correct
32 Correct 137 ms 27968 KB Output is correct
33 Correct 137 ms 27220 KB Output is correct
34 Correct 229 ms 40532 KB Output is correct

Subtask #4
57.0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 2 ms 604 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 1 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 576 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 600 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 69 ms 12376 KB Output is correct
40 Correct 64 ms 12376 KB Output is correct
41 Correct 60 ms 12380 KB Output is correct
42 Correct 61 ms 12368 KB Output is correct
43 Correct 107 ms 12628 KB Output is correct
44 Correct 72 ms 12512 KB Output is correct
45 Correct 64 ms 28408 KB Output is correct
46 Correct 53 ms 44368 KB Output is correct
47 Correct 118 ms 27520 KB Output is correct
48 Correct 220 ms 88656 KB Output is correct
49 Correct 221 ms 85844 KB Output is correct
50 Correct 119 ms 27404 KB Output is correct
51 Correct 129 ms 27464 KB Output is correct
52 Correct 137 ms 27968 KB Output is correct
53 Correct 137 ms 27220 KB Output is correct
54 Correct 229 ms 40532 KB Output is correct
55 Correct 10 ms 2140 KB Output is correct
56 Correct 5 ms 1772 KB Output is correct
57 Correct 37 ms 13916 KB Output is correct
58 Correct 32 ms 13512 KB Output is correct
59 Correct 74 ms 44372 KB Output is correct
60 Correct 212 ms 86724 KB Output is correct
61 Correct 141 ms 29264 KB Output is correct
62 Correct 116 ms 27640 KB Output is correct
63 Correct 125 ms 27808 KB Output is correct
64 Correct 301 ms 36156 KB Output is correct
65 Correct 295 ms 40792 KB Output is correct
66 Correct 216 ms 79696 KB Output is correct
67 Correct 91 ms 28096 KB Output is correct
68 Correct 216 ms 38500 KB Output is correct
69 Correct 239 ms 43348 KB Output is correct
70 Correct 200 ms 37200 KB Output is correct