Submission #120937

# Submission time Handle Problem Language Result Execution time Memory
120937 2019-06-25T19:16:17 Z thiago4532 Pipes (BOI13_pipes) C++17
0 / 100
1000 ms 74552 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], 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 << 2*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 253 ms 25068 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 2688 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 5 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 209 ms 20628 KB Output isn't correct
14 Incorrect 261 ms 23660 KB Output isn't correct
15 Incorrect 280 ms 25068 KB Output isn't correct
16 Incorrect 228 ms 21780 KB Output isn't correct
17 Incorrect 264 ms 25020 KB Output isn't correct
18 Incorrect 263 ms 25244 KB Output isn't correct
19 Incorrect 268 ms 25072 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 259 ms 25044 KB Output isn't correct
23 Incorrect 206 ms 20368 KB Output isn't correct
24 Incorrect 271 ms 24944 KB Output isn't correct
25 Incorrect 210 ms 21352 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 2944 KB Output isn't correct
3 Incorrect 214 ms 16880 KB Output isn't correct
4 Incorrect 223 ms 19292 KB Output isn't correct
5 Incorrect 227 ms 18808 KB Output isn't correct
6 Execution timed out 1066 ms 71072 KB Time limit exceeded
7 Incorrect 4 ms 2688 KB Output isn't correct
8 Incorrect 4 ms 2688 KB Output isn't correct
9 Incorrect 3 ms 2688 KB Output isn't correct
10 Incorrect 4 ms 2688 KB Output isn't correct
11 Incorrect 4 ms 2688 KB Output isn't correct
12 Incorrect 4 ms 2732 KB Output isn't correct
13 Incorrect 4 ms 2688 KB Output isn't 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 Incorrect 5 ms 2816 KB Output isn't correct
19 Incorrect 6 ms 2816 KB Output isn't correct
20 Incorrect 5 ms 2816 KB Output isn't correct
21 Incorrect 7 ms 3072 KB Output isn't correct
22 Incorrect 5 ms 2816 KB Output isn't correct
23 Incorrect 174 ms 14972 KB Output isn't correct
24 Incorrect 210 ms 17656 KB Output isn't correct
25 Incorrect 193 ms 16868 KB Output isn't correct
26 Incorrect 217 ms 19208 KB Output isn't correct
27 Incorrect 219 ms 19064 KB Output isn't correct
28 Incorrect 251 ms 20088 KB Output isn't correct
29 Execution timed out 1018 ms 63992 KB Time limit exceeded
30 Incorrect 216 ms 17520 KB Output isn't correct
31 Incorrect 225 ms 17644 KB Output isn't correct
32 Incorrect 228 ms 17664 KB Output isn't correct
33 Incorrect 233 ms 17772 KB Output isn't correct
34 Incorrect 240 ms 19192 KB Output isn't correct
35 Incorrect 226 ms 19204 KB Output isn't correct
36 Incorrect 231 ms 19576 KB Output isn't correct
37 Execution timed out 1075 ms 74552 KB Time limit exceeded
38 Incorrect 211 ms 17784 KB Output isn't correct
39 Incorrect 216 ms 17576 KB Output isn't correct
40 Incorrect 221 ms 17656 KB Output isn't correct
41 Incorrect 208 ms 17652 KB Output isn't correct
42 Incorrect 207 ms 19192 KB Output isn't correct
43 Incorrect 210 ms 19320 KB Output isn't correct
44 Incorrect 223 ms 18808 KB Output isn't correct
45 Execution timed out 1077 ms 69496 KB Time limit exceeded
46 Incorrect 226 ms 17692 KB Output isn't correct
47 Incorrect 217 ms 17656 KB Output isn't correct
48 Incorrect 224 ms 17656 KB Output isn't correct
49 Incorrect 195 ms 16860 KB Output isn't correct
50 Incorrect 215 ms 19396 KB Output isn't correct
51 Incorrect 210 ms 19320 KB Output isn't correct
52 Incorrect 218 ms 18976 KB Output isn't correct
53 Execution timed out 1069 ms 70904 KB Time limit exceeded
54 Incorrect 224 ms 17528 KB Output isn't correct