oj.uz

답안 #595018

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
595018 2022-07-13T09:06:02 Z pakhomovee 꿈 (IOI13_dreaming) C++17
47 / 100
 1000 ms 23116 KB 
#include "dreaming.h"
#include <vector>
#include <unordered_map>
#include <deque>
#include <iostream>

using namespace std;

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

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;
        }
        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;
    for (int i = 0; i < N; ++i) {
        if (!used[i]) {
            dims.push_back(findDiam(i, g));
        }
    }
    pair<int, int> curr = dims[0];
    /*cout << "OUT" << endl;
    for (auto [x, y] : dims) {
        cout << x << ' ' << y << endl;
    }*/
    for (int i = 1; i < dims.size(); ++i) {
        auto d1 = dst(curr.first, g);
        auto d2 = dst(curr.second, g);
        auto d3 = dst(dims[i].first, g);
        auto d4 = dst(dims[i].second, g);
        pair<int, int> cand;
        int b1 = inf;
        for (auto [u, l] : d1) {
            if (b1 > max(l, d2[u])) {
                b1 = max(l, d2[u]);
                cand.first = u;
            }
        }
        b1 = inf;
        for (auto [u, l] : d3) {
            if (b1 > max(l, d4[u])) {
                b1 = max(l, d4[u]);
                cand.second = u;
            }
        }
        //cout << "UNITE " << cand.first << ' ' << cand.second << endl;
        g[cand.first].push_back({ cand.second, L });
        g[cand.second].push_back({ cand.first, L });
        curr = findDiam(cand.first, g);
    }
    return findDiamLen(0, g);
}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:74:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |     for (int i = 1; i < dims.size(); ++i) {
      |                     ~~^~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 301 ms 19676 KB Output is correct
2 Correct 235 ms 19516 KB Output is correct
3 Correct 145 ms 11956 KB Output is correct
4 Correct 26 ms 2864 KB Output is correct
5 Correct 19 ms 2140 KB Output is correct
6 Correct 43 ms 3976 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 99 ms 8088 KB Output is correct
9 Correct 200 ms 10008 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 201 ms 14280 KB Output is correct
12 Correct 237 ms 15640 KB Output is correct
13 Correct 2 ms 468 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 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 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 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 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 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 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 301 ms 19676 KB Output is correct
2 Correct 235 ms 19516 KB Output is correct
3 Correct 145 ms 11956 KB Output is correct
4 Correct 26 ms 2864 KB Output is correct
5 Correct 19 ms 2140 KB Output is correct
6 Correct 43 ms 3976 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 99 ms 8088 KB Output is correct
9 Correct 200 ms 10008 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 201 ms 14280 KB Output is correct
12 Correct 237 ms 15640 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 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 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 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 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 243 ms 19584 KB Output is correct
40 Correct 204 ms 19568 KB Output is correct
41 Correct 166 ms 11844 KB Output is correct
42 Correct 24 ms 2864 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 296 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 386 ms 21336 KB Output is correct
58 Correct 410 ms 22420 KB Output is correct
59 Correct 331 ms 22744 KB Output is correct
60 Correct 372 ms 22428 KB Output is correct
61 Correct 335 ms 23108 KB Output is correct
62 Correct 313 ms 22032 KB Output is correct
63 Correct 325 ms 22640 KB Output is correct
64 Correct 421 ms 22652 KB Output is correct
65 Correct 426 ms 22972 KB Output is correct
66 Correct 458 ms 22896 KB Output is correct
67 Correct 335 ms 22804 KB Output is correct
68 Correct 368 ms 22836 KB Output is correct
69 Correct 353 ms 22036 KB Output is correct
70 Correct 414 ms 22748 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 10 ms 852 KB Output is correct
73 Correct 7 ms 980 KB Output is correct
74 Correct 10 ms 984 KB Output is correct
75 Correct 6 ms 852 KB Output is correct
76 Correct 6 ms 964 KB Output is correct
77 Correct 6 ms 980 KB Output is correct
78 Correct 7 ms 960 KB Output is correct
79 Correct 8 ms 852 KB Output is correct
80 Correct 378 ms 21792 KB Output is correct
81 Correct 342 ms 21756 KB Output is correct
82 Correct 366 ms 23116 KB Output is correct
83 Correct 325 ms 22808 KB Output is correct
84 Correct 4 ms 852 KB Output is correct
85 Correct 4 ms 704 KB Output is correct
86 Correct 5 ms 852 KB Output is correct
87 Correct 5 ms 836 KB Output is correct
88 Correct 6 ms 852 KB Output is correct
89 Correct 8 ms 860 KB Output is correct
90 Correct 7 ms 852 KB Output is correct
91 Correct 6 ms 980 KB Output is correct
92 Correct 7 ms 852 KB Output is correct
93 Correct 6 ms 836 KB Output is correct
94 Correct 1 ms 340 KB Output is correct
95 Correct 1 ms 308 KB Output is correct
96 Correct 1 ms 308 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 340 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 1 ms 340 KB Output is correct
102 Correct 1 ms 340 KB Output is correct
103 Correct 1 ms 340 KB Output is correct
104 Correct 41 ms 2260 KB Output is correct
105 Correct 55 ms 4296 KB Output is correct
106 Correct 1 ms 308 KB Output is correct
107 Correct 107 ms 8616 KB Output is correct
108 Correct 173 ms 10612 KB Output is correct
109 Correct 2 ms 360 KB Output is correct
110 Correct 182 ms 15412 KB Output is correct
111 Correct 200 ms 16608 KB Output is correct
112 Correct 2 ms 448 KB Output is correct
113 Correct 376 ms 22432 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1052 ms 5732 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 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 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 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 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 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 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 75 ms 512 KB Output is correct
27 Correct 242 ms 704 KB Output is correct
28 Correct 603 ms 964 KB Output is correct
29 Correct 67 ms 584 KB Output is correct
30 Correct 295 ms 748 KB Output is correct
31 Correct 536 ms 1016 KB Output is correct
32 Correct 48 ms 520 KB Output is correct
33 Incorrect 242 ms 716 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 301 ms 19676 KB Output is correct
2 Correct 235 ms 19516 KB Output is correct
3 Correct 145 ms 11956 KB Output is correct
4 Correct 26 ms 2864 KB Output is correct
5 Correct 19 ms 2140 KB Output is correct
6 Correct 43 ms 3976 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 99 ms 8088 KB Output is correct
9 Correct 200 ms 10008 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 201 ms 14280 KB Output is correct
12 Correct 237 ms 15640 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 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 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 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 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 243 ms 19584 KB Output is correct
40 Correct 204 ms 19568 KB Output is correct
41 Correct 166 ms 11844 KB Output is correct
42 Correct 24 ms 2864 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 296 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 386 ms 21336 KB Output is correct
58 Correct 410 ms 22420 KB Output is correct
59 Correct 331 ms 22744 KB Output is correct
60 Correct 372 ms 22428 KB Output is correct
61 Correct 335 ms 23108 KB Output is correct
62 Correct 313 ms 22032 KB Output is correct
63 Correct 325 ms 22640 KB Output is correct
64 Correct 421 ms 22652 KB Output is correct
65 Correct 426 ms 22972 KB Output is correct
66 Correct 458 ms 22896 KB Output is correct
67 Correct 335 ms 22804 KB Output is correct
68 Correct 368 ms 22836 KB Output is correct
69 Correct 353 ms 22036 KB Output is correct
70 Correct 414 ms 22748 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 10 ms 852 KB Output is correct
73 Correct 7 ms 980 KB Output is correct
74 Correct 10 ms 984 KB Output is correct
75 Correct 6 ms 852 KB Output is correct
76 Correct 6 ms 964 KB Output is correct
77 Correct 6 ms 980 KB Output is correct
78 Correct 7 ms 960 KB Output is correct
79 Correct 8 ms 852 KB Output is correct
80 Correct 378 ms 21792 KB Output is correct
81 Correct 342 ms 21756 KB Output is correct
82 Correct 366 ms 23116 KB Output is correct
83 Correct 325 ms 22808 KB Output is correct
84 Correct 4 ms 852 KB Output is correct
85 Correct 4 ms 704 KB Output is correct
86 Correct 5 ms 852 KB Output is correct
87 Correct 5 ms 836 KB Output is correct
88 Correct 6 ms 852 KB Output is correct
89 Correct 8 ms 860 KB Output is correct
90 Correct 7 ms 852 KB Output is correct
91 Correct 6 ms 980 KB Output is correct
92 Correct 7 ms 852 KB Output is correct
93 Correct 6 ms 836 KB Output is correct
94 Correct 1 ms 340 KB Output is correct
95 Correct 1 ms 308 KB Output is correct
96 Correct 1 ms 308 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 340 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 1 ms 340 KB Output is correct
102 Correct 1 ms 340 KB Output is correct
103 Correct 1 ms 340 KB Output is correct
104 Correct 41 ms 2260 KB Output is correct
105 Correct 55 ms 4296 KB Output is correct
106 Correct 1 ms 308 KB Output is correct
107 Correct 107 ms 8616 KB Output is correct
108 Correct 173 ms 10612 KB Output is correct
109 Correct 2 ms 360 KB Output is correct
110 Correct 182 ms 15412 KB Output is correct
111 Correct 200 ms 16608 KB Output is correct
112 Correct 2 ms 448 KB Output is correct
113 Correct 376 ms 22432 KB Output is correct
114 Execution timed out 1052 ms 5732 KB Time limit exceeded
115 Halted 0 ms 0 KB -