답안 #555862

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
555862 2022-05-01T18:04:53 Z blue Pipes (BOI13_pipes) C++17
65 / 100
70 ms 11596 KB
#include <iostream>
#include <vector>
using namespace std;

using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
using vpii = vector<pii>;
using vll = vector<ll>;

const int mx = 100'000;

int N, M;
vpii edge[1+mx];
vll c(1+mx);


vll x(1+mx);

void dfs(int u, int p)
{
	for(pii vp : edge[u])
	{
		int v = vp.first;
		int e = vp.second;

		if(v == p) continue;
		dfs(v, u);

		x[e] = 2*c[v];

		c[u] -= c[v];
		c[v] = 0;
	}
}

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int N, M;
	cin >> N >> M;

	if(M > N)
	{
		cout << "0\n";
		return 0;
	}

	for(int i = 1; i <= N; i++) cin >> c[i];

	for(int j = 1; j <= M; j++)
	{
		int u, v;
		cin >> u >> v;
		edge[u].push_back({v, j});
		edge[v].push_back({u, j});
	}

	if(M == N-1)
	{
		dfs(1, 0);
	}

	for(int e = 1; e <= M; e++) 
		cout << x[e] << '\n';
}
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4180 KB Output is correct
2 Correct 2 ms 4180 KB Output is correct
3 Correct 3 ms 4180 KB Output is correct
4 Correct 56 ms 8344 KB Output is correct
5 Correct 2 ms 4180 KB Output is correct
6 Correct 2 ms 4172 KB Output is correct
7 Correct 2 ms 4180 KB Output is correct
8 Correct 2 ms 4180 KB Output is correct
9 Correct 3 ms 4180 KB Output is correct
10 Correct 3 ms 4180 KB Output is correct
11 Correct 2 ms 4180 KB Output is correct
12 Correct 2 ms 4308 KB Output is correct
13 Correct 38 ms 7524 KB Output is correct
14 Correct 44 ms 8140 KB Output is correct
15 Correct 47 ms 8352 KB Output is correct
16 Correct 54 ms 7736 KB Output is correct
17 Correct 55 ms 8292 KB Output is correct
18 Correct 47 ms 8300 KB Output is correct
19 Correct 51 ms 11596 KB Output is correct
20 Correct 2 ms 4184 KB Output is correct
21 Correct 2 ms 4180 KB Output is correct
22 Correct 47 ms 8348 KB Output is correct
23 Correct 39 ms 7500 KB Output is correct
24 Correct 48 ms 8372 KB Output is correct
25 Correct 44 ms 7656 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 4180 KB Output isn't correct
2 Incorrect 3 ms 4180 KB Output isn't correct
3 Incorrect 40 ms 7668 KB Output isn't correct
4 Correct 2 ms 4180 KB Output is correct
5 Correct 2 ms 4180 KB Output is correct
6 Correct 2 ms 4180 KB Output is correct
7 Incorrect 2 ms 4180 KB Output isn't correct
8 Incorrect 3 ms 4180 KB Output isn't correct
9 Incorrect 2 ms 4180 KB Output isn't correct
10 Correct 2 ms 4180 KB Output is correct
11 Correct 2 ms 4180 KB Output is correct
12 Correct 2 ms 4180 KB Output is correct
13 Correct 2 ms 4180 KB Output is correct
14 Incorrect 3 ms 4180 KB Output isn't correct
15 Incorrect 3 ms 4180 KB Output isn't correct
16 Incorrect 3 ms 4180 KB Output isn't correct
17 Incorrect 3 ms 4180 KB Output isn't correct
18 Correct 3 ms 4180 KB Output is correct
19 Correct 3 ms 4180 KB Output is correct
20 Correct 2 ms 4180 KB Output is correct
21 Correct 3 ms 4180 KB Output is correct
22 Incorrect 2 ms 4180 KB Output isn't correct
23 Incorrect 37 ms 7116 KB Output isn't correct
24 Incorrect 45 ms 7792 KB Output isn't correct
25 Incorrect 44 ms 7656 KB Output isn't correct
26 Correct 2 ms 4180 KB Output is correct
27 Correct 4 ms 4180 KB Output is correct
28 Correct 2 ms 4180 KB Output is correct
29 Correct 2 ms 4180 KB Output is correct
30 Incorrect 70 ms 7484 KB Output isn't correct
31 Incorrect 47 ms 7572 KB Output isn't correct
32 Incorrect 61 ms 8000 KB Output isn't correct
33 Incorrect 53 ms 7716 KB Output isn't correct
34 Correct 3 ms 4180 KB Output is correct
35 Correct 3 ms 4180 KB Output is correct
36 Correct 3 ms 4180 KB Output is correct
37 Correct 2 ms 4180 KB Output is correct
38 Incorrect 54 ms 7700 KB Output isn't correct
39 Incorrect 57 ms 8064 KB Output isn't correct
40 Incorrect 58 ms 7788 KB Output isn't correct
41 Incorrect 48 ms 7528 KB Output isn't correct
42 Correct 2 ms 4180 KB Output is correct
43 Correct 2 ms 4180 KB Output is correct
44 Correct 2 ms 4180 KB Output is correct
45 Correct 3 ms 4180 KB Output is correct
46 Incorrect 49 ms 7572 KB Output isn't correct
47 Incorrect 42 ms 7844 KB Output isn't correct
48 Incorrect 52 ms 7572 KB Output isn't correct
49 Incorrect 48 ms 7824 KB Output isn't correct
50 Correct 3 ms 4180 KB Output is correct
51 Correct 2 ms 4212 KB Output is correct
52 Correct 3 ms 4156 KB Output is correct
53 Correct 2 ms 4180 KB Output is correct
54 Incorrect 57 ms 7588 KB Output isn't correct