oj.uz

Submission #121143

# Submission time Handle Problem Language Result Execution time Memory
121143 2019-06-26T07:07:28 Z 윤교준(#2970) Unique Cities (JOI19_ho_t5) C++14
4 / 100
 2000 ms 11896 KB 
#include <bits/stdc++.h>
#define eb emplace_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define sorv(V) sort(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
using namespace std;

const int MAXN = 200055;

vector<int> G[MAXN];

int A[MAXN], B[MAXN], C[MAXN];

int N, K;

int main() {
	ios::sync_with_stdio(false);

	cin >> N >> K;
	for(int i = 1, a, b; i < N; i++) {
		cin >> a >> b;
		G[a].eb(b);
		G[b].eb(a);
	}
	for(int i = 1; i <= N; i++) cin >> A[i];
	for(int i = 1; i <= N; i++) {
		fill(B, B+N+1, N);
		queue<int> PQ;
		B[i] = 0; PQ.push(i);
		for(int idx, day; !PQ.empty();) {
			idx = PQ.front(); PQ.pop();
			day = B[idx] + 1;
			for(int v : G[idx]) {
				if(B[v] <= day) continue;
				B[v] = day;
				PQ.push(v);
			}
		}

		fill(C, C+N+1, 0);
		for(int j = 1; j <= N; j++) C[B[j]]++;
		vector<int> V;
		for(int j = 1; j <= N; j++) if(i != j && 1 == C[B[j]]) V.eb(A[j]);

		sorv(V); univ(V);
		printf("%d\n", sz(V));
	}

	return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5120 KB Output is correct
2 Correct 67 ms 5120 KB Output is correct
3 Correct 44 ms 5120 KB Output is correct
4 Correct 68 ms 5120 KB Output is correct
5 Correct 82 ms 5120 KB Output is correct
6 Correct 140 ms 5200 KB Output is correct
7 Correct 76 ms 5192 KB Output is correct
8 Correct 55 ms 5148 KB Output is correct
9 Correct 90 ms 5240 KB Output is correct
10 Correct 87 ms 5200 KB Output is correct
11 Correct 87 ms 5188 KB Output is correct
12 Correct 52 ms 5120 KB Output is correct
13 Correct 132 ms 5120 KB Output is correct
14 Correct 86 ms 5204 KB Output is correct
15 Correct 85 ms 5240 KB Output is correct
16 Correct 44 ms 5220 KB Output is correct
17 Correct 92 ms 5208 KB Output is correct
18 Correct 67 ms 5200 KB Output is correct
19 Correct 81 ms 5120 KB Output is correct
20 Correct 186 ms 5248 KB Output is correct
21 Correct 81 ms 5200 KB Output is correct
22 Correct 60 ms 5248 KB Output is correct
23 Correct 96 ms 5196 KB Output is correct
24 Correct 84 ms 5196 KB Output is correct
25 Correct 86 ms 5120 KB Output is correct
26 Correct 58 ms 5092 KB Output is correct
27 Correct 147 ms 5208 KB Output is correct
28 Correct 114 ms 5212 KB Output is correct
29 Correct 79 ms 5120 KB Output is correct
30 Correct 46 ms 5204 KB Output is correct
31 Correct 117 ms 5212 KB Output is correct
32 Correct 75 ms 5120 KB Output is correct

Subtask #2
0 / 32.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2037 ms 10176 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 32.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2044 ms 11896 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 5120 KB Output is correct
2 Correct 67 ms 5120 KB Output is correct
3 Correct 44 ms 5120 KB Output is correct
4 Correct 68 ms 5120 KB Output is correct
5 Correct 82 ms 5120 KB Output is correct
6 Correct 140 ms 5200 KB Output is correct
7 Correct 76 ms 5192 KB Output is correct
8 Correct 55 ms 5148 KB Output is correct
9 Correct 90 ms 5240 KB Output is correct
10 Correct 87 ms 5200 KB Output is correct
11 Correct 87 ms 5188 KB Output is correct
12 Correct 52 ms 5120 KB Output is correct
13 Correct 132 ms 5120 KB Output is correct
14 Correct 86 ms 5204 KB Output is correct
15 Correct 85 ms 5240 KB Output is correct
16 Correct 44 ms 5220 KB Output is correct
17 Correct 92 ms 5208 KB Output is correct
18 Correct 67 ms 5200 KB Output is correct
19 Correct 81 ms 5120 KB Output is correct
20 Correct 186 ms 5248 KB Output is correct
21 Correct 81 ms 5200 KB Output is correct
22 Correct 60 ms 5248 KB Output is correct
23 Correct 96 ms 5196 KB Output is correct
24 Correct 84 ms 5196 KB Output is correct
25 Correct 86 ms 5120 KB Output is correct
26 Correct 58 ms 5092 KB Output is correct
27 Correct 147 ms 5208 KB Output is correct
28 Correct 114 ms 5212 KB Output is correct
29 Correct 79 ms 5120 KB Output is correct
30 Correct 46 ms 5204 KB Output is correct
31 Correct 117 ms 5212 KB Output is correct
32 Correct 75 ms 5120 KB Output is correct
33 Execution timed out 2037 ms 10176 KB Time limit exceeded
34 Halted 0 ms 0 KB -