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답안 #201884

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
201884 2020-02-12T17:45:44 Z luciocf Traffic (IOI10_traffic) C++14
50 / 100
 500 ms 115960 KB 
#include <bits/stdc++.h>
#include "traffic.h"

using namespace std;

const int maxn = 1e6+10;

int tot, mn, ans;
int a[maxn];

int sub[maxn];

vector<int> grafo[maxn];

void dfs(int u, int p)
{
	sub[u] = a[u];

	for (auto v: grafo[u])
	{
		if (v != p)
		{
			dfs(v, u);
			sub[u] += sub[v];
		}
	}
}

void solve(int u, int p)
{
	int aux = tot-sub[u];

	for (auto v: grafo[u])
	{
		if (v != p)
		{
			aux = max(aux, sub[v]);
			solve(v, u);
		}
	}

	if (aux < mn)
	{
		ans = u;
		mn = aux;
	}
}

int LocateCentre(int N, int P[], int S[], int D[])
{
	for (int i = 1; i <= N; i++)
	{
		S[i-1]++, D[i-1]++;
		a[i] = P[i-1];

		grafo[S[i-1]].push_back(D[i-1]);
		grafo[D[i-1]].push_back(S[i-1]);

		tot += a[i];
	}

	mn = tot;
	dfs(1, 0); solve(1, 0);

	return ans-1;
}

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 23804 KB Output is correct
2 Correct 20 ms 23800 KB Output is correct
3 Correct 20 ms 23800 KB Output is correct
4 Correct 20 ms 23800 KB Output is correct
5 Correct 20 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 21 ms 24056 KB Output is correct
8 Correct 21 ms 23800 KB Output is correct
9 Correct 20 ms 23800 KB Output is correct
10 Correct 20 ms 23800 KB Output is correct
11 Correct 20 ms 23800 KB Output is correct
12 Correct 20 ms 23800 KB Output is correct
13 Correct 20 ms 23800 KB Output is correct
14 Correct 21 ms 23800 KB Output is correct
15 Correct 19 ms 23800 KB Output is correct
16 Correct 21 ms 23800 KB Output is correct
17 Correct 20 ms 23800 KB Output is correct
18 Correct 20 ms 23800 KB Output is correct
19 Correct 19 ms 23800 KB Output is correct
20 Correct 20 ms 23800 KB Output is correct
21 Correct 20 ms 23800 KB Output is correct
22 Correct 20 ms 23800 KB Output is correct
23 Correct 20 ms 23800 KB Output is correct
24 Correct 20 ms 23800 KB Output is correct
25 Correct 20 ms 23800 KB Output is correct
26 Correct 20 ms 23800 KB Output is correct
27 Correct 20 ms 23928 KB Output is correct
28 Correct 20 ms 23928 KB Output is correct
29 Correct 20 ms 23928 KB Output is correct
30 Correct 20 ms 23928 KB Output is correct
31 Correct 21 ms 24056 KB Output is correct
32 Correct 20 ms 23928 KB Output is correct
33 Correct 20 ms 23928 KB Output is correct
34 Correct 20 ms 23800 KB Output is correct
35 Correct 21 ms 23928 KB Output is correct
36 Correct 21 ms 23928 KB Output is correct
37 Correct 20 ms 23928 KB Output is correct
38 Correct 20 ms 23928 KB Output is correct
39 Correct 20 ms 23928 KB Output is correct
40 Correct 21 ms 23928 KB Output is correct
41 Correct 21 ms 23928 KB Output is correct
42 Correct 21 ms 24056 KB Output is correct
43 Correct 21 ms 23800 KB Output is correct
44 Correct 20 ms 23800 KB Output is correct
45 Correct 20 ms 23800 KB Output is correct
46 Correct 21 ms 23800 KB Output is correct
47 Correct 20 ms 23800 KB Output is correct

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 23804 KB Output is correct
2 Correct 20 ms 23800 KB Output is correct
3 Correct 20 ms 23800 KB Output is correct
4 Correct 20 ms 23800 KB Output is correct
5 Correct 20 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 21 ms 24056 KB Output is correct
8 Correct 21 ms 23800 KB Output is correct
9 Correct 20 ms 23800 KB Output is correct
10 Correct 20 ms 23800 KB Output is correct
11 Correct 20 ms 23800 KB Output is correct
12 Correct 20 ms 23800 KB Output is correct
13 Correct 20 ms 23800 KB Output is correct
14 Correct 21 ms 23800 KB Output is correct
15 Correct 19 ms 23800 KB Output is correct
16 Correct 21 ms 23800 KB Output is correct
17 Correct 20 ms 23800 KB Output is correct
18 Correct 20 ms 23800 KB Output is correct
19 Correct 19 ms 23800 KB Output is correct
20 Correct 20 ms 23800 KB Output is correct
21 Correct 20 ms 23800 KB Output is correct
22 Correct 20 ms 23800 KB Output is correct
23 Correct 20 ms 23800 KB Output is correct
24 Correct 20 ms 23800 KB Output is correct
25 Correct 20 ms 23800 KB Output is correct
26 Correct 20 ms 23800 KB Output is correct
27 Correct 20 ms 23928 KB Output is correct
28 Correct 20 ms 23928 KB Output is correct
29 Correct 20 ms 23928 KB Output is correct
30 Correct 20 ms 23928 KB Output is correct
31 Correct 21 ms 24056 KB Output is correct
32 Correct 20 ms 23928 KB Output is correct
33 Correct 20 ms 23928 KB Output is correct
34 Correct 20 ms 23800 KB Output is correct
35 Correct 21 ms 23928 KB Output is correct
36 Correct 21 ms 23928 KB Output is correct
37 Correct 20 ms 23928 KB Output is correct
38 Correct 20 ms 23928 KB Output is correct
39 Correct 20 ms 23928 KB Output is correct
40 Correct 21 ms 23928 KB Output is correct
41 Correct 21 ms 23928 KB Output is correct
42 Correct 21 ms 24056 KB Output is correct
43 Correct 21 ms 23800 KB Output is correct
44 Correct 20 ms 23800 KB Output is correct
45 Correct 20 ms 23800 KB Output is correct
46 Correct 21 ms 23800 KB Output is correct
47 Correct 20 ms 23800 KB Output is correct
48 Correct 21 ms 23800 KB Output is correct
49 Correct 20 ms 23800 KB Output is correct
50 Correct 20 ms 23800 KB Output is correct
51 Correct 21 ms 23928 KB Output is correct
52 Correct 20 ms 23800 KB Output is correct
53 Correct 20 ms 23800 KB Output is correct
54 Correct 20 ms 23800 KB Output is correct
55 Correct 20 ms 23800 KB Output is correct
56 Correct 20 ms 23800 KB Output is correct
57 Correct 20 ms 23800 KB Output is correct
58 Correct 20 ms 23800 KB Output is correct
59 Correct 20 ms 23800 KB Output is correct
60 Correct 20 ms 23800 KB Output is correct
61 Correct 20 ms 23800 KB Output is correct
62 Correct 20 ms 23800 KB Output is correct
63 Correct 20 ms 23800 KB Output is correct
64 Correct 21 ms 23800 KB Output is correct
65 Correct 21 ms 23800 KB Output is correct
66 Correct 20 ms 23800 KB Output is correct
67 Correct 20 ms 23800 KB Output is correct
68 Correct 50 ms 30456 KB Output is correct
69 Correct 82 ms 36856 KB Output is correct
70 Correct 20 ms 23800 KB Output is correct
71 Correct 120 ms 43512 KB Output is correct
72 Correct 147 ms 50040 KB Output is correct
73 Correct 186 ms 56568 KB Output is correct
74 Correct 218 ms 63328 KB Output is correct
75 Correct 254 ms 69752 KB Output is correct
76 Correct 288 ms 76412 KB Output is correct
77 Correct 330 ms 83064 KB Output is correct
78 Correct 352 ms 89464 KB Output is correct
79 Correct 390 ms 96120 KB Output is correct
80 Correct 422 ms 102648 KB Output is correct
81 Correct 20 ms 23800 KB Output is correct
82 Correct 466 ms 109444 KB Output is correct
83 Correct 500 ms 115960 KB Output is correct
84 Execution timed out 194 ms 36448 KB Time limit exceeded (wall clock)
85 Halted 0 ms 0 KB -

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 23804 KB Output is correct
2 Correct 20 ms 23800 KB Output is correct
3 Correct 20 ms 23800 KB Output is correct
4 Correct 20 ms 23800 KB Output is correct
5 Correct 20 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 21 ms 24056 KB Output is correct
8 Correct 21 ms 23800 KB Output is correct
9 Correct 20 ms 23800 KB Output is correct
10 Correct 20 ms 23800 KB Output is correct
11 Correct 20 ms 23800 KB Output is correct
12 Correct 20 ms 23800 KB Output is correct
13 Correct 20 ms 23800 KB Output is correct
14 Correct 21 ms 23800 KB Output is correct
15 Correct 19 ms 23800 KB Output is correct
16 Correct 21 ms 23800 KB Output is correct
17 Correct 20 ms 23800 KB Output is correct
18 Correct 20 ms 23800 KB Output is correct
19 Correct 19 ms 23800 KB Output is correct
20 Correct 20 ms 23800 KB Output is correct
21 Correct 20 ms 23800 KB Output is correct
22 Correct 20 ms 23800 KB Output is correct
23 Correct 20 ms 23800 KB Output is correct
24 Correct 20 ms 23800 KB Output is correct
25 Correct 20 ms 23800 KB Output is correct
26 Correct 20 ms 23800 KB Output is correct
27 Correct 20 ms 23928 KB Output is correct
28 Correct 20 ms 23928 KB Output is correct
29 Correct 20 ms 23928 KB Output is correct
30 Correct 20 ms 23928 KB Output is correct
31 Correct 21 ms 24056 KB Output is correct
32 Correct 20 ms 23928 KB Output is correct
33 Correct 20 ms 23928 KB Output is correct
34 Correct 20 ms 23800 KB Output is correct
35 Correct 21 ms 23928 KB Output is correct
36 Correct 21 ms 23928 KB Output is correct
37 Correct 20 ms 23928 KB Output is correct
38 Correct 20 ms 23928 KB Output is correct
39 Correct 20 ms 23928 KB Output is correct
40 Correct 21 ms 23928 KB Output is correct
41 Correct 21 ms 23928 KB Output is correct
42 Correct 21 ms 24056 KB Output is correct
43 Correct 21 ms 23800 KB Output is correct
44 Correct 20 ms 23800 KB Output is correct
45 Correct 20 ms 23800 KB Output is correct
46 Correct 21 ms 23800 KB Output is correct
47 Correct 20 ms 23800 KB Output is correct
48 Correct 20 ms 23804 KB Output is correct
49 Correct 19 ms 23800 KB Output is correct
50 Correct 20 ms 23800 KB Output is correct
51 Correct 24 ms 23800 KB Output is correct
52 Correct 20 ms 23800 KB Output is correct
53 Correct 20 ms 23800 KB Output is correct
54 Correct 19 ms 23800 KB Output is correct
55 Correct 19 ms 23800 KB Output is correct
56 Correct 19 ms 23800 KB Output is correct
57 Correct 19 ms 23800 KB Output is correct
58 Correct 20 ms 23800 KB Output is correct
59 Correct 18 ms 23800 KB Output is correct
60 Correct 20 ms 23928 KB Output is correct
61 Correct 19 ms 23800 KB Output is correct
62 Correct 19 ms 23804 KB Output is correct
63 Correct 19 ms 23800 KB Output is correct
64 Correct 19 ms 23800 KB Output is correct
65 Correct 18 ms 23800 KB Output is correct
66 Correct 19 ms 23800 KB Output is correct
67 Correct 18 ms 23800 KB Output is correct
68 Correct 20 ms 23804 KB Output is correct
69 Correct 19 ms 23804 KB Output is correct
70 Correct 19 ms 23800 KB Output is correct
71 Correct 18 ms 23800 KB Output is correct
72 Correct 20 ms 23800 KB Output is correct
73 Correct 20 ms 23800 KB Output is correct
74 Correct 19 ms 23928 KB Output is correct
75 Correct 21 ms 23928 KB Output is correct
76 Correct 20 ms 23800 KB Output is correct
77 Correct 20 ms 23800 KB Output is correct
78 Correct 23 ms 23800 KB Output is correct
79 Correct 19 ms 23800 KB Output is correct
80 Correct 19 ms 23800 KB Output is correct
81 Correct 19 ms 23800 KB Output is correct
82 Correct 18 ms 23800 KB Output is correct
83 Correct 19 ms 23928 KB Output is correct
84 Correct 19 ms 23928 KB Output is correct
85 Correct 19 ms 23932 KB Output is correct
86 Correct 20 ms 23928 KB Output is correct
87 Correct 22 ms 23928 KB Output is correct
88 Correct 20 ms 23928 KB Output is correct
89 Correct 19 ms 23928 KB Output is correct
90 Correct 20 ms 23928 KB Output is correct
91 Correct 19 ms 23928 KB Output is correct
92 Correct 19 ms 23800 KB Output is correct
93 Correct 19 ms 23928 KB Output is correct
94 Correct 19 ms 23932 KB Output is correct
95 Correct 20 ms 23928 KB Output is correct
96 Correct 20 ms 23800 KB Output is correct
97 Correct 20 ms 23800 KB Output is correct
98 Correct 18 ms 23800 KB Output is correct
99 Correct 18 ms 23800 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 23804 KB Output is correct
2 Correct 20 ms 23800 KB Output is correct
3 Correct 20 ms 23800 KB Output is correct
4 Correct 20 ms 23800 KB Output is correct
5 Correct 20 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 21 ms 24056 KB Output is correct
8 Correct 21 ms 23800 KB Output is correct
9 Correct 20 ms 23800 KB Output is correct
10 Correct 20 ms 23800 KB Output is correct
11 Correct 20 ms 23800 KB Output is correct
12 Correct 20 ms 23800 KB Output is correct
13 Correct 20 ms 23800 KB Output is correct
14 Correct 21 ms 23800 KB Output is correct
15 Correct 19 ms 23800 KB Output is correct
16 Correct 21 ms 23800 KB Output is correct
17 Correct 20 ms 23800 KB Output is correct
18 Correct 20 ms 23800 KB Output is correct
19 Correct 19 ms 23800 KB Output is correct
20 Correct 20 ms 23800 KB Output is correct
21 Correct 20 ms 23800 KB Output is correct
22 Correct 20 ms 23800 KB Output is correct
23 Correct 20 ms 23800 KB Output is correct
24 Correct 20 ms 23800 KB Output is correct
25 Correct 20 ms 23800 KB Output is correct
26 Correct 20 ms 23800 KB Output is correct
27 Correct 20 ms 23928 KB Output is correct
28 Correct 20 ms 23928 KB Output is correct
29 Correct 20 ms 23928 KB Output is correct
30 Correct 20 ms 23928 KB Output is correct
31 Correct 21 ms 24056 KB Output is correct
32 Correct 20 ms 23928 KB Output is correct
33 Correct 20 ms 23928 KB Output is correct
34 Correct 20 ms 23800 KB Output is correct
35 Correct 21 ms 23928 KB Output is correct
36 Correct 21 ms 23928 KB Output is correct
37 Correct 20 ms 23928 KB Output is correct
38 Correct 20 ms 23928 KB Output is correct
39 Correct 20 ms 23928 KB Output is correct
40 Correct 21 ms 23928 KB Output is correct
41 Correct 21 ms 23928 KB Output is correct
42 Correct 21 ms 24056 KB Output is correct
43 Correct 21 ms 23800 KB Output is correct
44 Correct 20 ms 23800 KB Output is correct
45 Correct 20 ms 23800 KB Output is correct
46 Correct 21 ms 23800 KB Output is correct
47 Correct 20 ms 23800 KB Output is correct
48 Correct 21 ms 23800 KB Output is correct
49 Correct 20 ms 23800 KB Output is correct
50 Correct 20 ms 23800 KB Output is correct
51 Correct 21 ms 23928 KB Output is correct
52 Correct 20 ms 23800 KB Output is correct
53 Correct 20 ms 23800 KB Output is correct
54 Correct 20 ms 23800 KB Output is correct
55 Correct 20 ms 23800 KB Output is correct
56 Correct 20 ms 23800 KB Output is correct
57 Correct 20 ms 23800 KB Output is correct
58 Correct 20 ms 23800 KB Output is correct
59 Correct 20 ms 23800 KB Output is correct
60 Correct 20 ms 23800 KB Output is correct
61 Correct 20 ms 23800 KB Output is correct
62 Correct 20 ms 23800 KB Output is correct
63 Correct 20 ms 23800 KB Output is correct
64 Correct 21 ms 23800 KB Output is correct
65 Correct 21 ms 23800 KB Output is correct
66 Correct 20 ms 23800 KB Output is correct
67 Correct 20 ms 23800 KB Output is correct
68 Correct 50 ms 30456 KB Output is correct
69 Correct 82 ms 36856 KB Output is correct
70 Correct 20 ms 23800 KB Output is correct
71 Correct 120 ms 43512 KB Output is correct
72 Correct 147 ms 50040 KB Output is correct
73 Correct 186 ms 56568 KB Output is correct
74 Correct 218 ms 63328 KB Output is correct
75 Correct 254 ms 69752 KB Output is correct
76 Correct 288 ms 76412 KB Output is correct
77 Correct 330 ms 83064 KB Output is correct
78 Correct 352 ms 89464 KB Output is correct
79 Correct 390 ms 96120 KB Output is correct
80 Correct 422 ms 102648 KB Output is correct
81 Correct 20 ms 23800 KB Output is correct
82 Correct 466 ms 109444 KB Output is correct
83 Correct 500 ms 115960 KB Output is correct
84 Execution timed out 194 ms 36448 KB Time limit exceeded (wall clock)
85 Halted 0 ms 0 KB -