oj.uz

답안 #430668

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
430668 2021-06-16T18:09:16 Z muhammad_hokimiyon 꿈 (IOI13_dreaming) C++14
54 / 100
 840 ms 17960 KB 
#include "dreaming.h"
#include <bits/stdc++.h>

using namespace std;

const int maxN = 1e5 + 7;

int val,ve;
bool used[maxN];
vector<pair<int, int>> v[maxN];

void dfs(int x, int p, int sum)
{
        used[x] = true;
        if(sum >= val){
                val = sum;
                ve = x;
        }
        for(auto y : v[x]){
                if(y.first != p){
                        dfs(y.first, x, sum + y.second);
                }
        }
}

int travelTime(int N, int M, int L, int A[], int B[], int T[])
{
        for(int i = 0; i < M; i++){
                v[A[i]].push_back({B[i], T[i]});
                v[B[i]].push_back({A[i], T[i]});
        }
        vector<int> p(N, -1);
        vector<int> d(N, 1e9);
        vector<pair<int, int>> X;
        for(int i = 0; i < N; i++){
                if(!used[i]){
                        val = ve = 0;
                        dfs(i, i, 0);
                        int r1 = ve;
                        val = ve = 0;
                        dfs(r1, r1, 0);
                        int r2 = ve;
                        queue<int> q;
                        q.push(r1);
                        d[r1] = 0;
                        while(!q.empty()){
                                int x = q.front();
                                q.pop();
                                for(auto y : v[x]){
                                        if(d[y.first] == 1e9){
                                                d[y.first] = d[x] + 1;
                                                p[y.first] = x;
                                                q.push(y.first);
                                        }
                                }
                        }
                        vector<int> pa;
                        while(r2 != r1){
                                pa.push_back(r2);
                                r2 = p[r2];
                        }
                        pa.push_back(r1);
                        int v1 = 0;
                        int res = 1e9;
                        for(int j = max(0, (int)pa.size() / 2 - 10); j < min((int)pa.size(), (int)pa.size() / 2 + 10); j++){
                                int st = pa[j];
                                queue<int> q;
                                q.push(st);
                                unordered_map<int, int> d;
                                int mx = 0;
                                d[st] = 0;
                                while(!q.empty()){
                                        int x = q.front();
                                        q.pop();
                                        for(auto y : v[x]){
                                                if(d.find(y.first) == d.end()){
                                                        d[y.first] = d[x] + y.second;
                                                        q.push(y.first);
                                                        mx = max(mx, d[x] + y.second);
                                                }
                                        }
                                }
                                if(mx < res){
                                        res = mx;
                                        v1 = st;
                                }
                        }
                        X.push_back({res, v1});
                }
        }
        sort(X.rbegin(), X.rend());
        for(int i = 1; i < (int)X.size(); i++){
                v[X[0].second].push_back({X[i].second, L});
                v[X[i].second].push_back({X[0].second, L});
        }
        val = ve = 0;
        dfs(0, 0, 0);
        val = 0;
        dfs(ve, ve, 0);
        return val;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 517 ms 16948 KB Output is correct
2 Correct 511 ms 16724 KB Output is correct
3 Correct 257 ms 11444 KB Output is correct
4 Correct 52 ms 4600 KB Output is correct
5 Correct 41 ms 3676 KB Output is correct
6 Correct 102 ms 5472 KB Output is correct
7 Correct 3 ms 2636 KB Output is correct
8 Correct 182 ms 7136 KB Output is correct
9 Correct 224 ms 8860 KB Output is correct
10 Correct 4 ms 2636 KB Output is correct
11 Correct 402 ms 11024 KB Output is correct
12 Correct 528 ms 13112 KB Output is correct
13 Correct 5 ms 2764 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2544 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2636 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 3 ms 2636 KB Output is correct

Subtask #3
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 517 ms 16948 KB Output is correct
2 Correct 511 ms 16724 KB Output is correct
3 Correct 257 ms 11444 KB Output is correct
4 Correct 52 ms 4600 KB Output is correct
5 Correct 41 ms 3676 KB Output is correct
6 Correct 102 ms 5472 KB Output is correct
7 Correct 3 ms 2636 KB Output is correct
8 Correct 182 ms 7136 KB Output is correct
9 Correct 224 ms 8860 KB Output is correct
10 Correct 4 ms 2636 KB Output is correct
11 Correct 402 ms 11024 KB Output is correct
12 Correct 528 ms 13112 KB Output is correct
13 Correct 5 ms 2764 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2636 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 2 ms 2636 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 2 ms 2544 KB Output is correct
29 Correct 2 ms 2636 KB Output is correct
30 Correct 2 ms 2636 KB Output is correct
31 Correct 2 ms 2636 KB Output is correct
32 Correct 2 ms 2636 KB Output is correct
33 Correct 2 ms 2636 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 3 ms 2636 KB Output is correct
39 Correct 474 ms 17960 KB Output is correct
40 Correct 536 ms 17924 KB Output is correct
41 Correct 259 ms 12372 KB Output is correct
42 Correct 50 ms 4820 KB Output is correct
43 Correct 3 ms 2636 KB Output is correct
44 Correct 2 ms 2636 KB Output is correct
45 Correct 3 ms 2636 KB Output is correct
46 Correct 2 ms 2636 KB Output is correct
47 Correct 2 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2636 KB Output is correct
50 Correct 2 ms 2636 KB Output is correct
51 Correct 2 ms 2636 KB Output is correct
52 Correct 2 ms 2636 KB Output is correct
53 Correct 2 ms 2664 KB Output is correct
54 Correct 3 ms 2636 KB Output is correct
55 Correct 3 ms 2636 KB Output is correct
56 Correct 2 ms 2636 KB Output is correct
57 Correct 840 ms 14424 KB Output is correct
58 Incorrect 747 ms 12116 KB Output isn't correct
59 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 84 ms 7668 KB Output is correct
2 Correct 81 ms 7664 KB Output is correct
3 Correct 76 ms 7696 KB Output is correct
4 Correct 82 ms 7784 KB Output is correct
5 Correct 84 ms 7716 KB Output is correct
6 Correct 92 ms 8548 KB Output is correct
7 Correct 83 ms 7876 KB Output is correct
8 Correct 74 ms 7556 KB Output is correct
9 Correct 73 ms 7584 KB Output is correct
10 Correct 83 ms 7884 KB Output is correct
11 Correct 3 ms 2636 KB Output is correct
12 Correct 56 ms 8176 KB Output is correct
13 Correct 65 ms 8120 KB Output is correct
14 Correct 55 ms 8120 KB Output is correct
15 Correct 55 ms 8152 KB Output is correct
16 Correct 55 ms 8152 KB Output is correct
17 Correct 56 ms 8180 KB Output is correct
18 Correct 61 ms 8120 KB Output is correct
19 Correct 55 ms 8204 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 3 ms 2764 KB Output is correct
23 Correct 55 ms 8140 KB Output is correct

Subtask #5
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2544 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2636 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 3 ms 2636 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 4 ms 2764 KB Output is correct
28 Correct 5 ms 2764 KB Output is correct
29 Correct 3 ms 2636 KB Output is correct
30 Correct 5 ms 2764 KB Output is correct
31 Correct 5 ms 2764 KB Output is correct
32 Correct 3 ms 2716 KB Output is correct
33 Correct 4 ms 2764 KB Output is correct
34 Correct 5 ms 2764 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 2 ms 2636 KB Output is correct
39 Correct 2 ms 2628 KB Output is correct
40 Correct 2 ms 2636 KB Output is correct
41 Correct 3 ms 2636 KB Output is correct
42 Correct 2 ms 2636 KB Output is correct
43 Correct 3 ms 2636 KB Output is correct
44 Correct 2 ms 2636 KB Output is correct
45 Correct 2 ms 2636 KB Output is correct
46 Correct 2 ms 2636 KB Output is correct
47 Correct 3 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2636 KB Output is correct
50 Correct 2 ms 2636 KB Output is correct
51 Correct 3 ms 2636 KB Output is correct
52 Correct 2 ms 2636 KB Output is correct
53 Correct 2 ms 2636 KB Output is correct
54 Correct 12 ms 3020 KB Output is correct
55 Correct 12 ms 3020 KB Output is correct
56 Correct 5 ms 2764 KB Output is correct
57 Correct 4 ms 2764 KB Output is correct
58 Correct 13 ms 2892 KB Output is correct
59 Correct 15 ms 2892 KB Output is correct
60 Correct 4 ms 2764 KB Output is correct
61 Correct 4 ms 2764 KB Output is correct
62 Correct 13 ms 2892 KB Output is correct
63 Correct 13 ms 2896 KB Output is correct
64 Correct 4 ms 2764 KB Output is correct
65 Correct 5 ms 2764 KB Output is correct
66 Correct 12 ms 2968 KB Output is correct
67 Correct 16 ms 2920 KB Output is correct
68 Correct 5 ms 2796 KB Output is correct
69 Correct 7 ms 2764 KB Output is correct
70 Correct 5 ms 2764 KB Output is correct
71 Correct 4 ms 2764 KB Output is correct
72 Correct 13 ms 2964 KB Output is correct
73 Correct 13 ms 2960 KB Output is correct
74 Correct 9 ms 2764 KB Output is correct
75 Correct 10 ms 2836 KB Output is correct
76 Correct 13 ms 2928 KB Output is correct
77 Correct 13 ms 2892 KB Output is correct
78 Correct 4 ms 2764 KB Output is correct
79 Correct 4 ms 2764 KB Output is correct
80 Correct 3 ms 2764 KB Output is correct
81 Correct 3 ms 2764 KB Output is correct
82 Correct 7 ms 2764 KB Output is correct
83 Correct 7 ms 2824 KB Output is correct
84 Correct 6 ms 2788 KB Output is correct
85 Correct 5 ms 2764 KB Output is correct
86 Correct 11 ms 2764 KB Output is correct
87 Correct 12 ms 2964 KB Output is correct
88 Correct 5 ms 2764 KB Output is correct
89 Correct 5 ms 2764 KB Output is correct
90 Correct 4 ms 2764 KB Output is correct
91 Correct 4 ms 2764 KB Output is correct
92 Correct 6 ms 2872 KB Output is correct
93 Correct 7 ms 2764 KB Output is correct
94 Correct 9 ms 2880 KB Output is correct
95 Correct 14 ms 2764 KB Output is correct
96 Correct 9 ms 2764 KB Output is correct
97 Correct 9 ms 2892 KB Output is correct
98 Correct 12 ms 2888 KB Output is correct
99 Correct 13 ms 2892 KB Output is correct
100 Correct 12 ms 2912 KB Output is correct
101 Correct 10 ms 2892 KB Output is correct
102 Correct 2 ms 2636 KB Output is correct
103 Correct 2 ms 2636 KB Output is correct
104 Correct 3 ms 2636 KB Output is correct
105 Correct 2 ms 2636 KB Output is correct
106 Correct 2 ms 2636 KB Output is correct
107 Correct 2 ms 2636 KB Output is correct
108 Correct 2 ms 2636 KB Output is correct
109 Correct 2 ms 2636 KB Output is correct
110 Correct 2 ms 2636 KB Output is correct
111 Correct 2 ms 2636 KB Output is correct
112 Correct 3 ms 2708 KB Output is correct
113 Correct 4 ms 2636 KB Output is correct
114 Correct 5 ms 2764 KB Output is correct

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 517 ms 16948 KB Output is correct
2 Correct 511 ms 16724 KB Output is correct
3 Correct 257 ms 11444 KB Output is correct
4 Correct 52 ms 4600 KB Output is correct
5 Correct 41 ms 3676 KB Output is correct
6 Correct 102 ms 5472 KB Output is correct
7 Correct 3 ms 2636 KB Output is correct
8 Correct 182 ms 7136 KB Output is correct
9 Correct 224 ms 8860 KB Output is correct
10 Correct 4 ms 2636 KB Output is correct
11 Correct 402 ms 11024 KB Output is correct
12 Correct 528 ms 13112 KB Output is correct
13 Correct 5 ms 2764 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2636 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 2 ms 2636 KB Output is correct
23 Correct 2 ms 2636 KB Output is correct
24 Correct 2 ms 2636 KB Output is correct
25 Correct 2 ms 2636 KB Output is correct
26 Correct 2 ms 2636 KB Output is correct
27 Correct 2 ms 2636 KB Output is correct
28 Correct 2 ms 2544 KB Output is correct
29 Correct 2 ms 2636 KB Output is correct
30 Correct 2 ms 2636 KB Output is correct
31 Correct 2 ms 2636 KB Output is correct
32 Correct 2 ms 2636 KB Output is correct
33 Correct 2 ms 2636 KB Output is correct
34 Correct 2 ms 2636 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 3 ms 2636 KB Output is correct
39 Correct 474 ms 17960 KB Output is correct
40 Correct 536 ms 17924 KB Output is correct
41 Correct 259 ms 12372 KB Output is correct
42 Correct 50 ms 4820 KB Output is correct
43 Correct 3 ms 2636 KB Output is correct
44 Correct 2 ms 2636 KB Output is correct
45 Correct 3 ms 2636 KB Output is correct
46 Correct 2 ms 2636 KB Output is correct
47 Correct 2 ms 2636 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2636 KB Output is correct
50 Correct 2 ms 2636 KB Output is correct
51 Correct 2 ms 2636 KB Output is correct
52 Correct 2 ms 2636 KB Output is correct
53 Correct 2 ms 2664 KB Output is correct
54 Correct 3 ms 2636 KB Output is correct
55 Correct 3 ms 2636 KB Output is correct
56 Correct 2 ms 2636 KB Output is correct
57 Correct 840 ms 14424 KB Output is correct
58 Incorrect 747 ms 12116 KB Output isn't correct
59 Halted 0 ms 0 KB -