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답안 #1022003

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1022003 2024-07-13T08:55:30 Z amine_aroua 꿈 (IOI13_dreaming) C++17
47 / 100
 51 ms 13908 KB 
#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;
vector<vector<pair<int ,int>>> adj;

vector<int> center;
vector<bool> vis;
int mx = 0;
int y = 0;
int z = 0;
void dfs1(int x , int p = -1 , int d = 0)
{
    vis[x] = 1;
    if(mx <= d)
    {
        mx = d;
        y = x;
    }
    for(auto [u , c] : adj[x])
    {
        if(u == p)
            continue;
        dfs1(u , x , d + c);
    }
}
vector<pair<int ,int>> par;
void dfs2(int x , int p = -1 , int d = 0)
{
    if(mx <= d)
    {
        mx = d;
        z = x;
    }
    for(auto [u , c] : adj[x])
    {
        if(u == p)
            continue;
        par[u]= {x , c};
        dfs2(u , x , d + c);
    }
}
int travelTime(int N, int M, int L, int A[], int B[], int T[])
{
    adj.assign(N , {});
    vis.assign(N , 0);
    for(int i = 0 ; i < M; i++)
    {
        adj[A[i]].push_back({B[i] , T[i]});
        adj[B[i]].push_back({A[i] , T[i]});
    }
    par.assign(N , {-1 , -1});
    for(int i = 0 ; i < N ; i++)
    {
        if(!vis[i])
        {
            y = 0;
            mx = 0;
            dfs1(i);
            mx = 0;
            z = 0;
            dfs2(y);
            int sm = 0;
            int mid = z;
            int mn = mx;
            while(par[z].first != -1)
            {
                sm += par[z].second;
                if(abs(mx - 2*sm) <= mn)
                {
                    mid = par[z].first;
                    mn = abs(mx - 2*sm);
                }
                z = par[z].first;
            }
            center.push_back(mid);
        }
    }
    for(int i = 1 ; i < (int)center.size() ; i++)
    {
        adj[center[0]].push_back({center[i] ,L});
        adj[center[i]].push_back({center[0] , L});
    }
    y = 0;
    mx = 0;
    vis.assign(N , 0);
    dfs1(0);
    mx = 0;
    z = 0;
    dfs2(y);
    return mx;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 12624 KB Output is correct
2 Correct 34 ms 12624 KB Output is correct
3 Correct 22 ms 8496 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 6 ms 1372 KB Output is correct
6 Correct 14 ms 3024 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 20 ms 4952 KB Output is correct
9 Correct 24 ms 6716 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 34 ms 8892 KB Output is correct
12 Correct 40 ms 10536 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 440 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 444 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 444 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 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 1 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 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 12624 KB Output is correct
2 Correct 34 ms 12624 KB Output is correct
3 Correct 22 ms 8496 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 6 ms 1372 KB Output is correct
6 Correct 14 ms 3024 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 20 ms 4952 KB Output is correct
9 Correct 24 ms 6716 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 34 ms 8892 KB Output is correct
12 Correct 40 ms 10536 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 440 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 444 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 444 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 35 ms 12636 KB Output is correct
40 Correct 33 ms 12628 KB Output is correct
41 Correct 21 ms 8528 KB Output is correct
42 Correct 5 ms 2140 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 440 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 40 ms 9920 KB Output is correct
58 Correct 38 ms 9952 KB Output is correct
59 Correct 45 ms 9808 KB Output is correct
60 Correct 42 ms 9812 KB Output is correct
61 Correct 39 ms 10072 KB Output is correct
62 Correct 38 ms 10076 KB Output is correct
63 Correct 37 ms 9560 KB Output is correct
64 Correct 36 ms 9716 KB Output is correct
65 Correct 37 ms 9784 KB Output is correct
66 Correct 37 ms 9820 KB Output is correct
67 Correct 42 ms 9992 KB Output is correct
68 Correct 49 ms 9812 KB Output is correct
69 Correct 43 ms 10064 KB Output is correct
70 Correct 44 ms 9932 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 2 ms 600 KB Output is correct
74 Correct 1 ms 604 KB Output is correct
75 Correct 1 ms 604 KB Output is correct
76 Correct 1 ms 604 KB Output is correct
77 Correct 1 ms 712 KB Output is correct
78 Correct 2 ms 604 KB Output is correct
79 Correct 1 ms 604 KB Output is correct
80 Correct 44 ms 9776 KB Output is correct
81 Correct 42 ms 9784 KB Output is correct
82 Correct 38 ms 10068 KB Output is correct
83 Correct 38 ms 10064 KB Output is correct
84 Correct 1 ms 604 KB Output is correct
85 Correct 1 ms 456 KB Output is correct
86 Correct 1 ms 604 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 1 ms 604 KB Output is correct
92 Correct 1 ms 604 KB Output is correct
93 Correct 1 ms 604 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 6 ms 1624 KB Output is correct
105 Correct 9 ms 3160 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 18 ms 4956 KB Output is correct
108 Correct 23 ms 6744 KB Output is correct
109 Correct 0 ms 348 KB Output is correct
110 Correct 33 ms 8796 KB Output is correct
111 Correct 38 ms 10732 KB Output is correct
112 Correct 1 ms 348 KB Output is correct
113 Correct 51 ms 13908 KB Output is correct

Subtask #4
0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 17 ms 7760 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 440 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 444 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 444 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 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 1 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 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Incorrect 0 ms 348 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 35 ms 12624 KB Output is correct
2 Correct 34 ms 12624 KB Output is correct
3 Correct 22 ms 8496 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 6 ms 1372 KB Output is correct
6 Correct 14 ms 3024 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 20 ms 4952 KB Output is correct
9 Correct 24 ms 6716 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 34 ms 8892 KB Output is correct
12 Correct 40 ms 10536 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 440 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 444 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 444 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 35 ms 12636 KB Output is correct
40 Correct 33 ms 12628 KB Output is correct
41 Correct 21 ms 8528 KB Output is correct
42 Correct 5 ms 2140 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 440 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 40 ms 9920 KB Output is correct
58 Correct 38 ms 9952 KB Output is correct
59 Correct 45 ms 9808 KB Output is correct
60 Correct 42 ms 9812 KB Output is correct
61 Correct 39 ms 10072 KB Output is correct
62 Correct 38 ms 10076 KB Output is correct
63 Correct 37 ms 9560 KB Output is correct
64 Correct 36 ms 9716 KB Output is correct
65 Correct 37 ms 9784 KB Output is correct
66 Correct 37 ms 9820 KB Output is correct
67 Correct 42 ms 9992 KB Output is correct
68 Correct 49 ms 9812 KB Output is correct
69 Correct 43 ms 10064 KB Output is correct
70 Correct 44 ms 9932 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 2 ms 600 KB Output is correct
74 Correct 1 ms 604 KB Output is correct
75 Correct 1 ms 604 KB Output is correct
76 Correct 1 ms 604 KB Output is correct
77 Correct 1 ms 712 KB Output is correct
78 Correct 2 ms 604 KB Output is correct
79 Correct 1 ms 604 KB Output is correct
80 Correct 44 ms 9776 KB Output is correct
81 Correct 42 ms 9784 KB Output is correct
82 Correct 38 ms 10068 KB Output is correct
83 Correct 38 ms 10064 KB Output is correct
84 Correct 1 ms 604 KB Output is correct
85 Correct 1 ms 456 KB Output is correct
86 Correct 1 ms 604 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 1 ms 604 KB Output is correct
92 Correct 1 ms 604 KB Output is correct
93 Correct 1 ms 604 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 6 ms 1624 KB Output is correct
105 Correct 9 ms 3160 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 18 ms 4956 KB Output is correct
108 Correct 23 ms 6744 KB Output is correct
109 Correct 0 ms 348 KB Output is correct
110 Correct 33 ms 8796 KB Output is correct
111 Correct 38 ms 10732 KB Output is correct
112 Correct 1 ms 348 KB Output is correct
113 Correct 51 ms 13908 KB Output is correct
114 Incorrect 17 ms 7760 KB Output isn't correct
115 Halted 0 ms 0 KB -