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답안 #991080

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
991080 2024-06-01T08:39:17 Z borisAngelov Traffic (IOI10_traffic) C++17
50 / 100
 5000 ms 41556 KB 
#include "traffic.h"
#include <bits/stdc++.h>

using namespace std;

const int maxn = 1000005;
const long long inf = (1LL << 60);

int n;
int a[maxn];

vector<int> g[maxn];

long long ans[maxn];
long long subtreeSum[maxn];
long long down[maxn];

void dfs(int node, int par, int dep)
{
    down[node] = 0;
    subtreeSum[node] = a[node];

    for (int i = 0; i < g[node].size(); ++i)
    {
        int to = g[node][i];

        if (to != par)
        {
            dfs(to, node, dep + 1);
            subtreeSum[node] += subtreeSum[to];
            down[node] = max(down[node], subtreeSum[to]);
        }
    }
}

int LocateCentre(int N, int pp[], int S[], int D[])
{
    n = N;

    for (int i = 1; i <= n; ++i)
    {
        a[i] = pp[i - 1];
    }

    for (int i = 1; i <= n - 1; ++i)
    {
        int x = S[i - 1];
        int y = D[i - 1];

        ++x;
        ++y;

        g[x].push_back(y);
        g[y].push_back(x);
    }

    long long ans = inf;
    int node = -1;

    for (int i = 1; i <= n; ++i)
    {
        dfs(i, -1, 0);

        if (ans > down[i])
        {
            node = i;
            ans = down[i];
            //cout << node << " :: " << ans << endl;
        }
    }

    return node - 1;
}

Compilation message

traffic.cpp: In function 'void dfs(int, int, int)':
traffic.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i = 0; i < g[node].size(); ++i)
      |                     ~~^~~~~~~~~~~~~~~~

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 33112 KB Output is correct
2 Correct 5 ms 33112 KB Output is correct
3 Correct 5 ms 33200 KB Output is correct
4 Correct 5 ms 33364 KB Output is correct
5 Correct 6 ms 33112 KB Output is correct
6 Correct 5 ms 33116 KB Output is correct
7 Correct 4 ms 33116 KB Output is correct
8 Correct 5 ms 33116 KB Output is correct
9 Correct 5 ms 33116 KB Output is correct
10 Correct 6 ms 33236 KB Output is correct
11 Correct 5 ms 33228 KB Output is correct
12 Correct 5 ms 33116 KB Output is correct
13 Correct 5 ms 33260 KB Output is correct
14 Correct 5 ms 33116 KB Output is correct
15 Correct 5 ms 33256 KB Output is correct
16 Correct 5 ms 33116 KB Output is correct
17 Correct 4 ms 33112 KB Output is correct
18 Correct 5 ms 33116 KB Output is correct
19 Correct 4 ms 33116 KB Output is correct
20 Correct 5 ms 33248 KB Output is correct
21 Correct 5 ms 33116 KB Output is correct
22 Correct 6 ms 33116 KB Output is correct
23 Correct 5 ms 33244 KB Output is correct
24 Correct 5 ms 33252 KB Output is correct
25 Correct 5 ms 33116 KB Output is correct
26 Correct 6 ms 33116 KB Output is correct
27 Correct 5 ms 33252 KB Output is correct
28 Correct 6 ms 33116 KB Output is correct
29 Correct 6 ms 33112 KB Output is correct
30 Correct 7 ms 33116 KB Output is correct
31 Correct 7 ms 33204 KB Output is correct
32 Correct 8 ms 33112 KB Output is correct
33 Correct 10 ms 33368 KB Output is correct
34 Correct 5 ms 33368 KB Output is correct
35 Correct 9 ms 33112 KB Output is correct
36 Correct 9 ms 33244 KB Output is correct
37 Correct 9 ms 33116 KB Output is correct
38 Correct 11 ms 33116 KB Output is correct
39 Correct 12 ms 33372 KB Output is correct
40 Correct 13 ms 33372 KB Output is correct
41 Correct 13 ms 33392 KB Output is correct
42 Correct 14 ms 33372 KB Output is correct
43 Correct 5 ms 31068 KB Output is correct
44 Correct 5 ms 33240 KB Output is correct
45 Correct 5 ms 33116 KB Output is correct
46 Correct 5 ms 33372 KB Output is correct
47 Correct 5 ms 33116 KB Output is correct

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 33112 KB Output is correct
2 Correct 5 ms 33112 KB Output is correct
3 Correct 5 ms 33200 KB Output is correct
4 Correct 5 ms 33364 KB Output is correct
5 Correct 6 ms 33112 KB Output is correct
6 Correct 5 ms 33116 KB Output is correct
7 Correct 4 ms 33116 KB Output is correct
8 Correct 5 ms 33116 KB Output is correct
9 Correct 5 ms 33116 KB Output is correct
10 Correct 6 ms 33236 KB Output is correct
11 Correct 5 ms 33228 KB Output is correct
12 Correct 5 ms 33116 KB Output is correct
13 Correct 5 ms 33260 KB Output is correct
14 Correct 5 ms 33116 KB Output is correct
15 Correct 5 ms 33256 KB Output is correct
16 Correct 5 ms 33116 KB Output is correct
17 Correct 4 ms 33112 KB Output is correct
18 Correct 5 ms 33116 KB Output is correct
19 Correct 4 ms 33116 KB Output is correct
20 Correct 5 ms 33248 KB Output is correct
21 Correct 5 ms 33116 KB Output is correct
22 Correct 6 ms 33116 KB Output is correct
23 Correct 5 ms 33244 KB Output is correct
24 Correct 5 ms 33252 KB Output is correct
25 Correct 5 ms 33116 KB Output is correct
26 Correct 6 ms 33116 KB Output is correct
27 Correct 5 ms 33252 KB Output is correct
28 Correct 6 ms 33116 KB Output is correct
29 Correct 6 ms 33112 KB Output is correct
30 Correct 7 ms 33116 KB Output is correct
31 Correct 7 ms 33204 KB Output is correct
32 Correct 8 ms 33112 KB Output is correct
33 Correct 10 ms 33368 KB Output is correct
34 Correct 5 ms 33368 KB Output is correct
35 Correct 9 ms 33112 KB Output is correct
36 Correct 9 ms 33244 KB Output is correct
37 Correct 9 ms 33116 KB Output is correct
38 Correct 11 ms 33116 KB Output is correct
39 Correct 12 ms 33372 KB Output is correct
40 Correct 13 ms 33372 KB Output is correct
41 Correct 13 ms 33392 KB Output is correct
42 Correct 14 ms 33372 KB Output is correct
43 Correct 5 ms 31068 KB Output is correct
44 Correct 5 ms 33240 KB Output is correct
45 Correct 5 ms 33116 KB Output is correct
46 Correct 5 ms 33372 KB Output is correct
47 Correct 5 ms 33116 KB Output is correct
48 Correct 6 ms 33116 KB Output is correct
49 Correct 4 ms 33276 KB Output is correct
50 Correct 4 ms 33208 KB Output is correct
51 Correct 4 ms 33112 KB Output is correct
52 Correct 4 ms 33116 KB Output is correct
53 Correct 5 ms 33216 KB Output is correct
54 Correct 4 ms 33248 KB Output is correct
55 Correct 5 ms 33220 KB Output is correct
56 Correct 4 ms 33116 KB Output is correct
57 Correct 5 ms 33224 KB Output is correct
58 Correct 5 ms 33116 KB Output is correct
59 Correct 5 ms 33116 KB Output is correct
60 Correct 5 ms 33116 KB Output is correct
61 Correct 5 ms 33116 KB Output is correct
62 Correct 5 ms 33204 KB Output is correct
63 Correct 5 ms 33116 KB Output is correct
64 Correct 5 ms 33116 KB Output is correct
65 Correct 5 ms 33112 KB Output is correct
66 Correct 4 ms 33116 KB Output is correct
67 Correct 5 ms 33116 KB Output is correct
68 Execution timed out 5053 ms 41556 KB Time limit exceeded
69 Halted 0 ms 0 KB -

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 33112 KB Output is correct
2 Correct 5 ms 33112 KB Output is correct
3 Correct 5 ms 33200 KB Output is correct
4 Correct 5 ms 33364 KB Output is correct
5 Correct 6 ms 33112 KB Output is correct
6 Correct 5 ms 33116 KB Output is correct
7 Correct 4 ms 33116 KB Output is correct
8 Correct 5 ms 33116 KB Output is correct
9 Correct 5 ms 33116 KB Output is correct
10 Correct 6 ms 33236 KB Output is correct
11 Correct 5 ms 33228 KB Output is correct
12 Correct 5 ms 33116 KB Output is correct
13 Correct 5 ms 33260 KB Output is correct
14 Correct 5 ms 33116 KB Output is correct
15 Correct 5 ms 33256 KB Output is correct
16 Correct 5 ms 33116 KB Output is correct
17 Correct 4 ms 33112 KB Output is correct
18 Correct 5 ms 33116 KB Output is correct
19 Correct 4 ms 33116 KB Output is correct
20 Correct 5 ms 33248 KB Output is correct
21 Correct 5 ms 33116 KB Output is correct
22 Correct 6 ms 33116 KB Output is correct
23 Correct 5 ms 33244 KB Output is correct
24 Correct 5 ms 33252 KB Output is correct
25 Correct 5 ms 33116 KB Output is correct
26 Correct 6 ms 33116 KB Output is correct
27 Correct 5 ms 33252 KB Output is correct
28 Correct 6 ms 33116 KB Output is correct
29 Correct 6 ms 33112 KB Output is correct
30 Correct 7 ms 33116 KB Output is correct
31 Correct 7 ms 33204 KB Output is correct
32 Correct 8 ms 33112 KB Output is correct
33 Correct 10 ms 33368 KB Output is correct
34 Correct 5 ms 33368 KB Output is correct
35 Correct 9 ms 33112 KB Output is correct
36 Correct 9 ms 33244 KB Output is correct
37 Correct 9 ms 33116 KB Output is correct
38 Correct 11 ms 33116 KB Output is correct
39 Correct 12 ms 33372 KB Output is correct
40 Correct 13 ms 33372 KB Output is correct
41 Correct 13 ms 33392 KB Output is correct
42 Correct 14 ms 33372 KB Output is correct
43 Correct 5 ms 31068 KB Output is correct
44 Correct 5 ms 33240 KB Output is correct
45 Correct 5 ms 33116 KB Output is correct
46 Correct 5 ms 33372 KB Output is correct
47 Correct 5 ms 33116 KB Output is correct
48 Correct 5 ms 33116 KB Output is correct
49 Correct 6 ms 33280 KB Output is correct
50 Correct 5 ms 33240 KB Output is correct
51 Correct 5 ms 33116 KB Output is correct
52 Correct 4 ms 33116 KB Output is correct
53 Correct 4 ms 33116 KB Output is correct
54 Correct 5 ms 33116 KB Output is correct
55 Correct 5 ms 33116 KB Output is correct
56 Correct 5 ms 33116 KB Output is correct
57 Correct 5 ms 33268 KB Output is correct
58 Correct 4 ms 33116 KB Output is correct
59 Correct 4 ms 33116 KB Output is correct
60 Correct 5 ms 33112 KB Output is correct
61 Correct 4 ms 33116 KB Output is correct
62 Correct 5 ms 33116 KB Output is correct
63 Correct 5 ms 33112 KB Output is correct
64 Correct 5 ms 33116 KB Output is correct
65 Correct 5 ms 33240 KB Output is correct
66 Correct 4 ms 33116 KB Output is correct
67 Correct 5 ms 33116 KB Output is correct
68 Correct 5 ms 33276 KB Output is correct
69 Correct 4 ms 33264 KB Output is correct
70 Correct 5 ms 33284 KB Output is correct
71 Correct 4 ms 33240 KB Output is correct
72 Correct 5 ms 33116 KB Output is correct
73 Correct 5 ms 33116 KB Output is correct
74 Correct 5 ms 33116 KB Output is correct
75 Correct 5 ms 33112 KB Output is correct
76 Correct 5 ms 33116 KB Output is correct
77 Correct 6 ms 33116 KB Output is correct
78 Correct 6 ms 33116 KB Output is correct
79 Correct 7 ms 33116 KB Output is correct
80 Correct 7 ms 33300 KB Output is correct
81 Correct 6 ms 31068 KB Output is correct
82 Correct 7 ms 33116 KB Output is correct
83 Correct 8 ms 33268 KB Output is correct
84 Correct 8 ms 33236 KB Output is correct
85 Correct 9 ms 33116 KB Output is correct
86 Correct 10 ms 33216 KB Output is correct
87 Correct 10 ms 33112 KB Output is correct
88 Correct 11 ms 33116 KB Output is correct
89 Correct 12 ms 33116 KB Output is correct
90 Correct 13 ms 33116 KB Output is correct
91 Correct 14 ms 33116 KB Output is correct
92 Correct 6 ms 33256 KB Output is correct
93 Correct 15 ms 33112 KB Output is correct
94 Correct 7 ms 33116 KB Output is correct
95 Correct 14 ms 33376 KB Output is correct
96 Correct 4 ms 33116 KB Output is correct
97 Correct 5 ms 33116 KB Output is correct
98 Correct 5 ms 33232 KB Output is correct
99 Correct 6 ms 33112 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 33112 KB Output is correct
2 Correct 5 ms 33112 KB Output is correct
3 Correct 5 ms 33200 KB Output is correct
4 Correct 5 ms 33364 KB Output is correct
5 Correct 6 ms 33112 KB Output is correct
6 Correct 5 ms 33116 KB Output is correct
7 Correct 4 ms 33116 KB Output is correct
8 Correct 5 ms 33116 KB Output is correct
9 Correct 5 ms 33116 KB Output is correct
10 Correct 6 ms 33236 KB Output is correct
11 Correct 5 ms 33228 KB Output is correct
12 Correct 5 ms 33116 KB Output is correct
13 Correct 5 ms 33260 KB Output is correct
14 Correct 5 ms 33116 KB Output is correct
15 Correct 5 ms 33256 KB Output is correct
16 Correct 5 ms 33116 KB Output is correct
17 Correct 4 ms 33112 KB Output is correct
18 Correct 5 ms 33116 KB Output is correct
19 Correct 4 ms 33116 KB Output is correct
20 Correct 5 ms 33248 KB Output is correct
21 Correct 5 ms 33116 KB Output is correct
22 Correct 6 ms 33116 KB Output is correct
23 Correct 5 ms 33244 KB Output is correct
24 Correct 5 ms 33252 KB Output is correct
25 Correct 5 ms 33116 KB Output is correct
26 Correct 6 ms 33116 KB Output is correct
27 Correct 5 ms 33252 KB Output is correct
28 Correct 6 ms 33116 KB Output is correct
29 Correct 6 ms 33112 KB Output is correct
30 Correct 7 ms 33116 KB Output is correct
31 Correct 7 ms 33204 KB Output is correct
32 Correct 8 ms 33112 KB Output is correct
33 Correct 10 ms 33368 KB Output is correct
34 Correct 5 ms 33368 KB Output is correct
35 Correct 9 ms 33112 KB Output is correct
36 Correct 9 ms 33244 KB Output is correct
37 Correct 9 ms 33116 KB Output is correct
38 Correct 11 ms 33116 KB Output is correct
39 Correct 12 ms 33372 KB Output is correct
40 Correct 13 ms 33372 KB Output is correct
41 Correct 13 ms 33392 KB Output is correct
42 Correct 14 ms 33372 KB Output is correct
43 Correct 5 ms 31068 KB Output is correct
44 Correct 5 ms 33240 KB Output is correct
45 Correct 5 ms 33116 KB Output is correct
46 Correct 5 ms 33372 KB Output is correct
47 Correct 5 ms 33116 KB Output is correct
48 Correct 6 ms 33116 KB Output is correct
49 Correct 4 ms 33276 KB Output is correct
50 Correct 4 ms 33208 KB Output is correct
51 Correct 4 ms 33112 KB Output is correct
52 Correct 4 ms 33116 KB Output is correct
53 Correct 5 ms 33216 KB Output is correct
54 Correct 4 ms 33248 KB Output is correct
55 Correct 5 ms 33220 KB Output is correct
56 Correct 4 ms 33116 KB Output is correct
57 Correct 5 ms 33224 KB Output is correct
58 Correct 5 ms 33116 KB Output is correct
59 Correct 5 ms 33116 KB Output is correct
60 Correct 5 ms 33116 KB Output is correct
61 Correct 5 ms 33116 KB Output is correct
62 Correct 5 ms 33204 KB Output is correct
63 Correct 5 ms 33116 KB Output is correct
64 Correct 5 ms 33116 KB Output is correct
65 Correct 5 ms 33112 KB Output is correct
66 Correct 4 ms 33116 KB Output is correct
67 Correct 5 ms 33116 KB Output is correct
68 Execution timed out 5053 ms 41556 KB Time limit exceeded
69 Halted 0 ms 0 KB -