oj.uz

Submission #595040

# Submission time Handle Problem Language Result Execution time Memory
595040 2022-07-13T09:31:29 Z pakhomovee Dreaming (IOI13_dreaming) C++17
47 / 100
 1000 ms 16928 KB 
#include "dreaming.h"
#include <vector>
#include <unordered_map>
#include <deque>
#include <iostream>
#include <set>

using namespace std;

const int maxn = 1e5;
const int inf = 2e9;
bool used[maxn];
int cnt = 0;

unordered_map<int, int> dst(int v, vector<vector<pair<int, int>>> &g) {
    unordered_map<int, int> d;
    deque<int> q;
    q.push_back(v);
    d[v] = 0;
    while (!q.empty()) {
        int v = q.front();
        q.pop_front();
        for (auto [u, w] : g[v]) {
            if (!d.count(u)) {
                d[u] = d[v] + w;
                q.push_back(u);
            }
        }
    }
    return d;
}

pair<int, int> goFar(int v, vector<vector<pair<int, int>>> &g) {
    auto d1 = dst(v, g);
    int best = v;
    for (auto [u, x] : d1) {
        if (d1[best] < x) {
            best = u;
        }
        ++cnt;
        used[u] = true;
    }
    return { best, d1[best] };
}

pair<int, int> findDiam(int v, vector<vector<pair<int, int>>> &g) {
    int leafe = goFar(v, g).first;
    int best = goFar(leafe, g).first;
    int best1 = goFar(best, g).first;
    return { best, best1 };
}

int findDiamLen(int v, vector<vector<pair<int, int>>> &g) {
    int leafe = goFar(v, g).first;
    int best = goFar(leafe, g).first;
    return goFar(best, g).second;
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    vector<vector<pair<int, int>>> g(N);
    for (int i = 0; i < M; ++i) {
        int u = A[i], v = B[i];
        g[u].push_back({ v, T[i] });
        g[v].push_back({ u, T[i] });
    }
    vector<pair<int, int>> dims;
    multiset<pair<int, int>> s;
    for (int i = 0; i < N; ++i) {
        if (!used[i]) {
            cnt = 0;
            auto [u, v] = findDiam(i, g);
            auto d1 = dst(u, g);
            auto d2 = dst(v, g);
            int vs = -1;
            int b1 = inf;
            for (auto [u, l] : d1) {
                if (b1 > max(l, d2[u])) {
                    b1 = max(l, d2[u]);
                    vs = u;
                }
            }
            s.insert({ b1, vs });
        }
    }
    while (s.size() != 1) {
        auto [l1, u1] = *s.begin();
        s.erase(s.begin());
        auto [l2, u2] = *s.begin();
        s.erase(s.begin());
        g[u1].push_back({ u2, L });
        g[u2].push_back({ u1, L });
        if (l1 < l2) {
            swap(l1, l2);
            swap(u1, u2);
        }
        auto [u, v] = findDiam(u1, g);
        auto d1 = dst(u, g);
        auto d2 = dst(v, g);
        int vs = -1;
        int b1 = inf;
        for (auto [u, l] : d1) {
            if (b1 > max(l, d2[u])) {
                b1 = max(l, d2[u]);
                vs = u;
            }
        }
        s.insert({ b1, vs });
    }
    return findDiamLen(0, g);
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 229 ms 15416 KB Output is correct
2 Correct 267 ms 15500 KB Output is correct
3 Correct 150 ms 9320 KB Output is correct
4 Correct 29 ms 2352 KB Output is correct
5 Correct 21 ms 1788 KB Output is correct
6 Correct 44 ms 3240 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 101 ms 6184 KB Output is correct
9 Correct 137 ms 8176 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 253 ms 10764 KB Output is correct
12 Correct 295 ms 12196 KB Output is correct
13 Correct 2 ms 340 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 224 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 229 ms 15416 KB Output is correct
2 Correct 267 ms 15500 KB Output is correct
3 Correct 150 ms 9320 KB Output is correct
4 Correct 29 ms 2352 KB Output is correct
5 Correct 21 ms 1788 KB Output is correct
6 Correct 44 ms 3240 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 101 ms 6184 KB Output is correct
9 Correct 137 ms 8176 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 253 ms 10764 KB Output is correct
12 Correct 295 ms 12196 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 224 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 238 ms 15340 KB Output is correct
40 Correct 279 ms 15300 KB Output is correct
41 Correct 146 ms 9296 KB Output is correct
42 Correct 31 ms 2352 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 366 ms 16660 KB Output is correct
58 Correct 426 ms 16712 KB Output is correct
59 Correct 360 ms 16664 KB Output is correct
60 Correct 376 ms 16672 KB Output is correct
61 Correct 407 ms 16772 KB Output is correct
62 Correct 332 ms 16660 KB Output is correct
63 Correct 377 ms 16760 KB Output is correct
64 Correct 365 ms 16804 KB Output is correct
65 Correct 361 ms 16812 KB Output is correct
66 Correct 360 ms 16928 KB Output is correct
67 Correct 359 ms 16540 KB Output is correct
68 Correct 415 ms 16724 KB Output is correct
69 Correct 345 ms 16636 KB Output is correct
70 Correct 346 ms 16540 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 7 ms 724 KB Output is correct
73 Correct 6 ms 724 KB Output is correct
74 Correct 6 ms 804 KB Output is correct
75 Correct 7 ms 724 KB Output is correct
76 Correct 6 ms 724 KB Output is correct
77 Correct 6 ms 724 KB Output is correct
78 Correct 6 ms 724 KB Output is correct
79 Correct 7 ms 720 KB Output is correct
80 Correct 332 ms 16604 KB Output is correct
81 Correct 377 ms 16724 KB Output is correct
82 Correct 370 ms 16772 KB Output is correct
83 Correct 392 ms 16696 KB Output is correct
84 Correct 5 ms 848 KB Output is correct
85 Correct 4 ms 596 KB Output is correct
86 Correct 12 ms 724 KB Output is correct
87 Correct 6 ms 724 KB Output is correct
88 Correct 8 ms 768 KB Output is correct
89 Correct 6 ms 740 KB Output is correct
90 Correct 7 ms 724 KB Output is correct
91 Correct 7 ms 732 KB Output is correct
92 Correct 6 ms 692 KB Output is correct
93 Correct 6 ms 724 KB Output is correct
94 Correct 1 ms 340 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 212 KB Output is correct
99 Correct 1 ms 340 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 0 ms 340 KB Output is correct
102 Correct 1 ms 212 KB Output is correct
103 Correct 1 ms 212 KB Output is correct
104 Correct 25 ms 1768 KB Output is correct
105 Correct 44 ms 3200 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 97 ms 6152 KB Output is correct
108 Correct 152 ms 8180 KB Output is correct
109 Correct 2 ms 340 KB Output is correct
110 Correct 213 ms 10860 KB Output is correct
111 Correct 220 ms 12024 KB Output is correct
112 Correct 2 ms 400 KB Output is correct
113 Correct 464 ms 16308 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1090 ms 8760 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 224 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 6 ms 468 KB Output is correct
27 Correct 13 ms 596 KB Output is correct
28 Correct 22 ms 748 KB Output is correct
29 Incorrect 5 ms 468 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 229 ms 15416 KB Output is correct
2 Correct 267 ms 15500 KB Output is correct
3 Correct 150 ms 9320 KB Output is correct
4 Correct 29 ms 2352 KB Output is correct
5 Correct 21 ms 1788 KB Output is correct
6 Correct 44 ms 3240 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 101 ms 6184 KB Output is correct
9 Correct 137 ms 8176 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 253 ms 10764 KB Output is correct
12 Correct 295 ms 12196 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 224 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 238 ms 15340 KB Output is correct
40 Correct 279 ms 15300 KB Output is correct
41 Correct 146 ms 9296 KB Output is correct
42 Correct 31 ms 2352 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 366 ms 16660 KB Output is correct
58 Correct 426 ms 16712 KB Output is correct
59 Correct 360 ms 16664 KB Output is correct
60 Correct 376 ms 16672 KB Output is correct
61 Correct 407 ms 16772 KB Output is correct
62 Correct 332 ms 16660 KB Output is correct
63 Correct 377 ms 16760 KB Output is correct
64 Correct 365 ms 16804 KB Output is correct
65 Correct 361 ms 16812 KB Output is correct
66 Correct 360 ms 16928 KB Output is correct
67 Correct 359 ms 16540 KB Output is correct
68 Correct 415 ms 16724 KB Output is correct
69 Correct 345 ms 16636 KB Output is correct
70 Correct 346 ms 16540 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 7 ms 724 KB Output is correct
73 Correct 6 ms 724 KB Output is correct
74 Correct 6 ms 804 KB Output is correct
75 Correct 7 ms 724 KB Output is correct
76 Correct 6 ms 724 KB Output is correct
77 Correct 6 ms 724 KB Output is correct
78 Correct 6 ms 724 KB Output is correct
79 Correct 7 ms 720 KB Output is correct
80 Correct 332 ms 16604 KB Output is correct
81 Correct 377 ms 16724 KB Output is correct
82 Correct 370 ms 16772 KB Output is correct
83 Correct 392 ms 16696 KB Output is correct
84 Correct 5 ms 848 KB Output is correct
85 Correct 4 ms 596 KB Output is correct
86 Correct 12 ms 724 KB Output is correct
87 Correct 6 ms 724 KB Output is correct
88 Correct 8 ms 768 KB Output is correct
89 Correct 6 ms 740 KB Output is correct
90 Correct 7 ms 724 KB Output is correct
91 Correct 7 ms 732 KB Output is correct
92 Correct 6 ms 692 KB Output is correct
93 Correct 6 ms 724 KB Output is correct
94 Correct 1 ms 340 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 212 KB Output is correct
99 Correct 1 ms 340 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 0 ms 340 KB Output is correct
102 Correct 1 ms 212 KB Output is correct
103 Correct 1 ms 212 KB Output is correct
104 Correct 25 ms 1768 KB Output is correct
105 Correct 44 ms 3200 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 97 ms 6152 KB Output is correct
108 Correct 152 ms 8180 KB Output is correct
109 Correct 2 ms 340 KB Output is correct
110 Correct 213 ms 10860 KB Output is correct
111 Correct 220 ms 12024 KB Output is correct
112 Correct 2 ms 400 KB Output is correct
113 Correct 464 ms 16308 KB Output is correct
114 Execution timed out 1090 ms 8760 KB Time limit exceeded
115 Halted 0 ms 0 KB -