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답안 #593361

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
593361 2022-07-11T00:46:17 Z skittles1412 꿈 (IOI13_dreaming) C++17
47 / 100
 77 ms 16544 KB 
#include "bits/extc++.h"

using namespace std;

template <typename T>
void dbgh(const T& t) {
    cerr << t << endl;
}

template <typename T, typename... U>
void dbgh(const T& t, const U&... u) {
    cerr << t << " | ";
    dbgh(u...);
}

#ifdef DEBUG
#define dbg(...)                                              \
    cerr << "L" << __LINE__ << " [" << #__VA_ARGS__ << "]: "; \
    dbgh(__VA_ARGS__);
#else
#define dbg(...)
#define cerr   \
    if (false) \
    cerr
#endif

#define endl "\n"
#define long int64_t
#define sz(x) int((x).size())

const int maxn = 1e5 + 5;

int dist[maxn];
vector<int> vis;
vector<pair<int, int>> graph[maxn];

void dfs(int u, int p, int d) {
    dist[u] = d;
    vis.push_back(u);
    for (auto& [v, w] : graph[u]) {
        if (v != p) {
            dfs(v, u, d + w);
        }
    }
}

void dfs(int u) {
    vis.clear();
    dfs(u, -1, 0);
}

pair<int, int> farthest() {
    pair<int, int> opt {-1, 0};
    for (auto& a : vis) {
        opt = max(opt, pair<int, int> {dist[a], a});
    }
    return opt;
}

extern "C" int travelTime(int n,
                          int m,
                          int k,
                          int arru[],
                          int arrv[],
                          int arrw[]) {
    for (int i = 0; i < m; i++) {
        int u = arru[i], v = arrv[i], w = arrw[i];
        graph[u].emplace_back(v, w);
        graph[v].emplace_back(u, w);
    }
    int ans = 0;
    bool cvis[n] {};
    int d1[n], d2[n];
    vector<int> comps;
    for (int i = 0; i < n; i++) {
        if (cvis[i]) {
            continue;
        }
        dfs(i);
        int u = farthest().second;
        for (auto& a : vis) {
            cvis[a] = true;
        }
        dfs(u);
        auto [diam, v] = farthest();
        ans = max(ans, diam);
        for (auto& a : vis) {
            d1[a] = dist[a];
        }
        dfs(v);
        for (auto& a : vis) {
            d2[a] = dist[a];
        }
        int mn = 2e9;
        for (auto& a : vis) {
            mn = min(mn, max(d1[a], d2[a]));
        }
        comps.push_back(mn);
    }
    return max(ans, comps[0] + comps[1] + k);
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 15052 KB Output is correct
2 Correct 44 ms 15048 KB Output is correct
3 Correct 30 ms 11040 KB Output is correct
4 Correct 7 ms 4564 KB Output is correct
5 Correct 7 ms 3664 KB Output is correct
6 Correct 16 ms 5492 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 22 ms 7124 KB Output is correct
9 Correct 27 ms 8908 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 42 ms 10956 KB Output is correct
12 Correct 49 ms 12876 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2664 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 1 ms 2664 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2660 KB Output is correct
13 Correct 2 ms 2664 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2664 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2632 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2644 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 15052 KB Output is correct
2 Correct 44 ms 15048 KB Output is correct
3 Correct 30 ms 11040 KB Output is correct
4 Correct 7 ms 4564 KB Output is correct
5 Correct 7 ms 3664 KB Output is correct
6 Correct 16 ms 5492 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 22 ms 7124 KB Output is correct
9 Correct 27 ms 8908 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 42 ms 10956 KB Output is correct
12 Correct 49 ms 12876 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct
14 Correct 2 ms 2664 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 1 ms 2664 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 1 ms 2660 KB Output is correct
26 Correct 2 ms 2664 KB Output is correct
27 Correct 1 ms 2644 KB Output is correct
28 Correct 1 ms 2664 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2632 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct
39 Correct 43 ms 15180 KB Output is correct
40 Correct 45 ms 15064 KB Output is correct
41 Correct 28 ms 10952 KB Output is correct
42 Correct 7 ms 4564 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 2 ms 2664 KB Output is correct
47 Correct 3 ms 2644 KB Output is correct
48 Correct 2 ms 2644 KB Output is correct
49 Correct 2 ms 2644 KB Output is correct
50 Correct 2 ms 2644 KB Output is correct
51 Correct 1 ms 2644 KB Output is correct
52 Correct 2 ms 2644 KB Output is correct
53 Correct 2 ms 2664 KB Output is correct
54 Correct 2 ms 2644 KB Output is correct
55 Correct 1 ms 2644 KB Output is correct
56 Correct 1 ms 2644 KB Output is correct
57 Correct 68 ms 10952 KB Output is correct
58 Correct 59 ms 10768 KB Output is correct
59 Correct 58 ms 10948 KB Output is correct
60 Correct 65 ms 10700 KB Output is correct
61 Correct 61 ms 11064 KB Output is correct
62 Correct 56 ms 10792 KB Output is correct
63 Correct 50 ms 10700 KB Output is correct
64 Correct 51 ms 10760 KB Output is correct
65 Correct 56 ms 11036 KB Output is correct
66 Correct 54 ms 11016 KB Output is correct
67 Correct 62 ms 10908 KB Output is correct
68 Correct 65 ms 10884 KB Output is correct
69 Correct 59 ms 10996 KB Output is correct
70 Correct 64 ms 10956 KB Output is correct
71 Correct 1 ms 2644 KB Output is correct
72 Correct 3 ms 2900 KB Output is correct
73 Correct 3 ms 2900 KB Output is correct
74 Correct 3 ms 2924 KB Output is correct
75 Correct 3 ms 2900 KB Output is correct
76 Correct 3 ms 2884 KB Output is correct
77 Correct 3 ms 2932 KB Output is correct
78 Correct 3 ms 2900 KB Output is correct
79 Correct 3 ms 2900 KB Output is correct
80 Correct 63 ms 10956 KB Output is correct
81 Correct 58 ms 10952 KB Output is correct
82 Correct 55 ms 11016 KB Output is correct
83 Correct 54 ms 11036 KB Output is correct
84 Correct 2 ms 2800 KB Output is correct
85 Correct 3 ms 2772 KB Output is correct
86 Correct 3 ms 2772 KB Output is correct
87 Correct 3 ms 2772 KB Output is correct
88 Correct 3 ms 2800 KB Output is correct
89 Correct 2 ms 2832 KB Output is correct
90 Correct 3 ms 2772 KB Output is correct
91 Correct 3 ms 2900 KB Output is correct
92 Correct 3 ms 2884 KB Output is correct
93 Correct 3 ms 2804 KB Output is correct
94 Correct 2 ms 2644 KB Output is correct
95 Correct 2 ms 2588 KB Output is correct
96 Correct 2 ms 2644 KB Output is correct
97 Correct 1 ms 2576 KB Output is correct
98 Correct 2 ms 2644 KB Output is correct
99 Correct 1 ms 2656 KB Output is correct
100 Correct 2 ms 2660 KB Output is correct
101 Correct 1 ms 2644 KB Output is correct
102 Correct 2 ms 2644 KB Output is correct
103 Correct 2 ms 2644 KB Output is correct
104 Correct 6 ms 3688 KB Output is correct
105 Correct 12 ms 5468 KB Output is correct
106 Correct 2 ms 2644 KB Output is correct
107 Correct 22 ms 7108 KB Output is correct
108 Correct 31 ms 8908 KB Output is correct
109 Correct 2 ms 2644 KB Output is correct
110 Correct 41 ms 10904 KB Output is correct
111 Correct 47 ms 12940 KB Output is correct
112 Correct 2 ms 2772 KB Output is correct
113 Correct 77 ms 16544 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 19 ms 6904 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2664 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 1 ms 2664 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2660 KB Output is correct
13 Correct 2 ms 2664 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2664 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2632 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2644 KB Output is correct
26 Correct 2 ms 2672 KB Output is correct
27 Correct 2 ms 2700 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Incorrect 2 ms 2672 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 15052 KB Output is correct
2 Correct 44 ms 15048 KB Output is correct
3 Correct 30 ms 11040 KB Output is correct
4 Correct 7 ms 4564 KB Output is correct
5 Correct 7 ms 3664 KB Output is correct
6 Correct 16 ms 5492 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 22 ms 7124 KB Output is correct
9 Correct 27 ms 8908 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 42 ms 10956 KB Output is correct
12 Correct 49 ms 12876 KB Output is correct
13 Correct 2 ms 2772 KB Output is correct
14 Correct 2 ms 2664 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 1 ms 2664 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 2 ms 2644 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 1 ms 2644 KB Output is correct
25 Correct 1 ms 2660 KB Output is correct
26 Correct 2 ms 2664 KB Output is correct
27 Correct 1 ms 2644 KB Output is correct
28 Correct 1 ms 2664 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2632 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct
39 Correct 43 ms 15180 KB Output is correct
40 Correct 45 ms 15064 KB Output is correct
41 Correct 28 ms 10952 KB Output is correct
42 Correct 7 ms 4564 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 1 ms 2644 KB Output is correct
46 Correct 2 ms 2664 KB Output is correct
47 Correct 3 ms 2644 KB Output is correct
48 Correct 2 ms 2644 KB Output is correct
49 Correct 2 ms 2644 KB Output is correct
50 Correct 2 ms 2644 KB Output is correct
51 Correct 1 ms 2644 KB Output is correct
52 Correct 2 ms 2644 KB Output is correct
53 Correct 2 ms 2664 KB Output is correct
54 Correct 2 ms 2644 KB Output is correct
55 Correct 1 ms 2644 KB Output is correct
56 Correct 1 ms 2644 KB Output is correct
57 Correct 68 ms 10952 KB Output is correct
58 Correct 59 ms 10768 KB Output is correct
59 Correct 58 ms 10948 KB Output is correct
60 Correct 65 ms 10700 KB Output is correct
61 Correct 61 ms 11064 KB Output is correct
62 Correct 56 ms 10792 KB Output is correct
63 Correct 50 ms 10700 KB Output is correct
64 Correct 51 ms 10760 KB Output is correct
65 Correct 56 ms 11036 KB Output is correct
66 Correct 54 ms 11016 KB Output is correct
67 Correct 62 ms 10908 KB Output is correct
68 Correct 65 ms 10884 KB Output is correct
69 Correct 59 ms 10996 KB Output is correct
70 Correct 64 ms 10956 KB Output is correct
71 Correct 1 ms 2644 KB Output is correct
72 Correct 3 ms 2900 KB Output is correct
73 Correct 3 ms 2900 KB Output is correct
74 Correct 3 ms 2924 KB Output is correct
75 Correct 3 ms 2900 KB Output is correct
76 Correct 3 ms 2884 KB Output is correct
77 Correct 3 ms 2932 KB Output is correct
78 Correct 3 ms 2900 KB Output is correct
79 Correct 3 ms 2900 KB Output is correct
80 Correct 63 ms 10956 KB Output is correct
81 Correct 58 ms 10952 KB Output is correct
82 Correct 55 ms 11016 KB Output is correct
83 Correct 54 ms 11036 KB Output is correct
84 Correct 2 ms 2800 KB Output is correct
85 Correct 3 ms 2772 KB Output is correct
86 Correct 3 ms 2772 KB Output is correct
87 Correct 3 ms 2772 KB Output is correct
88 Correct 3 ms 2800 KB Output is correct
89 Correct 2 ms 2832 KB Output is correct
90 Correct 3 ms 2772 KB Output is correct
91 Correct 3 ms 2900 KB Output is correct
92 Correct 3 ms 2884 KB Output is correct
93 Correct 3 ms 2804 KB Output is correct
94 Correct 2 ms 2644 KB Output is correct
95 Correct 2 ms 2588 KB Output is correct
96 Correct 2 ms 2644 KB Output is correct
97 Correct 1 ms 2576 KB Output is correct
98 Correct 2 ms 2644 KB Output is correct
99 Correct 1 ms 2656 KB Output is correct
100 Correct 2 ms 2660 KB Output is correct
101 Correct 1 ms 2644 KB Output is correct
102 Correct 2 ms 2644 KB Output is correct
103 Correct 2 ms 2644 KB Output is correct
104 Correct 6 ms 3688 KB Output is correct
105 Correct 12 ms 5468 KB Output is correct
106 Correct 2 ms 2644 KB Output is correct
107 Correct 22 ms 7108 KB Output is correct
108 Correct 31 ms 8908 KB Output is correct
109 Correct 2 ms 2644 KB Output is correct
110 Correct 41 ms 10904 KB Output is correct
111 Correct 47 ms 12940 KB Output is correct
112 Correct 2 ms 2772 KB Output is correct
113 Correct 77 ms 16544 KB Output is correct
114 Incorrect 19 ms 6904 KB Output isn't correct
115 Halted 0 ms 0 KB -