Submission #120938

# Submission time Handle Problem Language Result Execution time Memory
120938 2019-06-25T19:18:31 Z thiago4532 Pipes (BOI13_pipes) C++17
35 / 100
272 ms 25344 KB
#include <bits/stdc++.h>

using namespace std;
typedef pair<int, int> pii;
const int maxn = 1e5 + 10;
const int maxm = 5e5 + 10;
vector<int> grafo[maxn];
int n;
int s[maxn];
map<pair<int, int>, int> mapa;
int val[maxn], ans[maxn];

namespace tree{

int nivel[maxn], pai[maxn], soma[maxn];
void dfs(int u, int p = 0) {
	pai[u] = p;

	for(auto v : grafo[u]) {
		if(v == p) continue;
		nivel[v] = nivel[u] + 1;
		dfs(v, u);
	}
}

};

int main() {
	int m;

	cin >> n >> m;
	if(m > n) {
		cout << "0\n";
		return 0;
	}
	int total = 0;
	for(int i=1;i<=n;i++)
		cin >> s[i], s[i] *= 2, total += s[i];

	for(int i=1;i<=m;i++) {
		int a, b;
		cin >> a >> b;
		grafo[a].push_back(b);
		grafo[a].push_back(b);
		mapa[{a, b}] = i;
		mapa[{b, a}] = i;
	}
	if(n - 1 == m) {
		tree::dfs(1);
		vector<pii> arr;
		for(int i=1;i<=n;i++)
			arr.push_back({tree::nivel[i], i});
		sort(arr.begin(), arr.end(), greater<pii>());

		for(auto e : arr) {
			int v = e.second, u = tree::pai[v];

			tree::soma[u] += (s[v] - tree::soma[v]);
			ans[mapa[{u, v}]] = (s[v] - tree::soma[v]);
		}

		for(int i=1;i<=m;i++)
			cout << ans[i] << "\n";

	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 2688 KB Output isn't correct
2 Incorrect 4 ms 2688 KB Output isn't correct
3 Incorrect 5 ms 2944 KB Output isn't correct
4 Incorrect 252 ms 24952 KB Output isn't correct
5 Incorrect 4 ms 2688 KB Output isn't correct
6 Incorrect 4 ms 2688 KB Output isn't correct
7 Incorrect 4 ms 2788 KB Output isn't correct
8 Incorrect 4 ms 2688 KB Output isn't correct
9 Incorrect 5 ms 2944 KB Output isn't correct
10 Incorrect 6 ms 2944 KB Output isn't correct
11 Incorrect 5 ms 2944 KB Output isn't correct
12 Incorrect 5 ms 2944 KB Output isn't correct
13 Incorrect 206 ms 20544 KB Output isn't correct
14 Incorrect 243 ms 23660 KB Output isn't correct
15 Incorrect 272 ms 25060 KB Output isn't correct
16 Incorrect 216 ms 21616 KB Output isn't correct
17 Incorrect 260 ms 24984 KB Output isn't correct
18 Incorrect 263 ms 25344 KB Output isn't correct
19 Incorrect 265 ms 24940 KB Output isn't correct
20 Incorrect 4 ms 2688 KB Output isn't correct
21 Incorrect 5 ms 2944 KB Output isn't correct
22 Incorrect 241 ms 25044 KB Output isn't correct
23 Incorrect 203 ms 20464 KB Output isn't correct
24 Incorrect 267 ms 24980 KB Output isn't correct
25 Incorrect 199 ms 21360 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 2688 KB Output isn't correct
2 Incorrect 5 ms 2816 KB Output isn't correct
3 Incorrect 192 ms 16876 KB Output isn't correct
4 Correct 4 ms 2688 KB Output is correct
5 Correct 4 ms 2688 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Incorrect 4 ms 2660 KB Output isn't correct
8 Incorrect 4 ms 2688 KB Output isn't correct
9 Incorrect 4 ms 2688 KB Output isn't correct
10 Correct 4 ms 2660 KB Output is correct
11 Correct 3 ms 2688 KB Output is correct
12 Correct 4 ms 2688 KB Output is correct
13 Correct 3 ms 2688 KB Output is correct
14 Incorrect 4 ms 2688 KB Output isn't correct
15 Incorrect 5 ms 2816 KB Output isn't correct
16 Incorrect 5 ms 2816 KB Output isn't correct
17 Incorrect 5 ms 2816 KB Output isn't correct
18 Correct 4 ms 2688 KB Output is correct
19 Correct 3 ms 2688 KB Output is correct
20 Correct 3 ms 2688 KB Output is correct
21 Correct 4 ms 2688 KB Output is correct
22 Incorrect 5 ms 2816 KB Output isn't correct
23 Incorrect 172 ms 14840 KB Output isn't correct
24 Incorrect 218 ms 17656 KB Output isn't correct
25 Incorrect 203 ms 16888 KB Output isn't correct
26 Correct 4 ms 2688 KB Output is correct
27 Correct 4 ms 2688 KB Output is correct
28 Correct 4 ms 2688 KB Output is correct
29 Correct 3 ms 2688 KB Output is correct
30 Incorrect 212 ms 17444 KB Output isn't correct
31 Incorrect 226 ms 17628 KB Output isn't correct
32 Incorrect 220 ms 17656 KB Output isn't correct
33 Incorrect 220 ms 17760 KB Output isn't correct
34 Correct 3 ms 2688 KB Output is correct
35 Correct 4 ms 2688 KB Output is correct
36 Correct 4 ms 2688 KB Output is correct
37 Correct 4 ms 2688 KB Output is correct
38 Incorrect 216 ms 17816 KB Output isn't correct
39 Incorrect 221 ms 17656 KB Output isn't correct
40 Incorrect 219 ms 17656 KB Output isn't correct
41 Incorrect 204 ms 17656 KB Output isn't correct
42 Correct 3 ms 2688 KB Output is correct
43 Correct 3 ms 2688 KB Output is correct
44 Correct 4 ms 2688 KB Output is correct
45 Correct 4 ms 2688 KB Output is correct
46 Incorrect 209 ms 17756 KB Output isn't correct
47 Incorrect 213 ms 17784 KB Output isn't correct
48 Incorrect 215 ms 17656 KB Output isn't correct
49 Incorrect 201 ms 16756 KB Output isn't correct
50 Correct 4 ms 2688 KB Output is correct
51 Correct 4 ms 2688 KB Output is correct
52 Correct 3 ms 2688 KB Output is correct
53 Correct 4 ms 2688 KB Output is correct
54 Incorrect 208 ms 17532 KB Output isn't correct