# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
125137 |
2019-07-04T17:31:32 Z |
thiago4532 |
Pipes (BOI13_pipes) |
C++17 |
|
408 ms |
23740 KB |
#include <bits/stdc++.h>
#define int int64_t
using namespace std;
const int maxn = 1e5 + 10;
bool mark[maxn];
int ans[5*maxn], s[maxn], grau[maxn];
map<pair<int, int>, int> mapa;
int n;
vector<int> grafo[maxn];
int32_t 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[b].push_back(a);
mapa[{a, b}] = i;
mapa[{b, a}] = i;
grau[a]++;
grau[b]++;
}
queue<int> fila;
for(int i=1;i<=n;i++) {
if(grau[i] == 1)
fila.push(i);
}
while(!fila.empty()) {
int u = fila.front();
fila.pop();
if(mark[u]) continue;
mark[u] = true;
// cout << u << ": " << s[u] << "\n";
for(auto v : grafo[u]) {
if(mark[v]) continue;
grau[v]--;
ans[mapa[{u, v}]] = s[u], s[v] -= s[u];
if(grau[v] == 1) fila.push(v);
}
}
for(int i=1;i<=m;i++)
cout << ans[i] << "\n";
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
2808 KB |
Output is correct |
2 |
Correct |
4 ms |
2680 KB |
Output is correct |
3 |
Correct |
6 ms |
2936 KB |
Output is correct |
4 |
Correct |
401 ms |
23540 KB |
Output is correct |
5 |
Correct |
5 ms |
2680 KB |
Output is correct |
6 |
Correct |
4 ms |
2680 KB |
Output is correct |
7 |
Correct |
4 ms |
2680 KB |
Output is correct |
8 |
Correct |
4 ms |
2680 KB |
Output is correct |
9 |
Correct |
6 ms |
2936 KB |
Output is correct |
10 |
Correct |
6 ms |
2936 KB |
Output is correct |
11 |
Correct |
6 ms |
2812 KB |
Output is correct |
12 |
Correct |
6 ms |
2808 KB |
Output is correct |
13 |
Correct |
305 ms |
19536 KB |
Output is correct |
14 |
Correct |
362 ms |
22620 KB |
Output is correct |
15 |
Correct |
400 ms |
23740 KB |
Output is correct |
16 |
Correct |
326 ms |
20564 KB |
Output is correct |
17 |
Correct |
391 ms |
23488 KB |
Output is correct |
18 |
Correct |
384 ms |
23608 KB |
Output is correct |
19 |
Correct |
408 ms |
22904 KB |
Output is correct |
20 |
Correct |
4 ms |
2680 KB |
Output is correct |
21 |
Correct |
6 ms |
2936 KB |
Output is correct |
22 |
Correct |
394 ms |
23648 KB |
Output is correct |
23 |
Correct |
299 ms |
19448 KB |
Output is correct |
24 |
Correct |
387 ms |
23684 KB |
Output is correct |
25 |
Correct |
310 ms |
20216 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
2 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
3 |
Correct |
4 ms |
2680 KB |
Output is correct |
4 |
Correct |
4 ms |
2652 KB |
Output is correct |
5 |
Correct |
4 ms |
2652 KB |
Output is correct |
6 |
Correct |
4 ms |
2680 KB |
Output is correct |
7 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
8 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
9 |
Correct |
4 ms |
2680 KB |
Output is correct |
10 |
Correct |
4 ms |
2684 KB |
Output is correct |
11 |
Correct |
4 ms |
2680 KB |
Output is correct |
12 |
Correct |
4 ms |
2680 KB |
Output is correct |
13 |
Correct |
4 ms |
2680 KB |
Output is correct |
14 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
15 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
16 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
17 |
Correct |
4 ms |
2680 KB |
Output is correct |
18 |
Correct |
4 ms |
2680 KB |
Output is correct |
19 |
Correct |
4 ms |
2680 KB |
Output is correct |
20 |
Correct |
4 ms |
2652 KB |
Output is correct |
21 |
Correct |
4 ms |
2680 KB |
Output is correct |
22 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
23 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
24 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
25 |
Correct |
4 ms |
2680 KB |
Output is correct |
26 |
Correct |
4 ms |
2680 KB |
Output is correct |
27 |
Correct |
4 ms |
2680 KB |
Output is correct |
28 |
Correct |
4 ms |
2552 KB |
Output is correct |
29 |
Correct |
4 ms |
2680 KB |
Output is correct |
30 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
31 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
32 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
33 |
Correct |
4 ms |
2680 KB |
Output is correct |
34 |
Correct |
4 ms |
2684 KB |
Output is correct |
35 |
Correct |
4 ms |
2680 KB |
Output is correct |
36 |
Correct |
4 ms |
2680 KB |
Output is correct |
37 |
Correct |
4 ms |
2680 KB |
Output is correct |
38 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
39 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
40 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
41 |
Correct |
4 ms |
2680 KB |
Output is correct |
42 |
Correct |
4 ms |
2680 KB |
Output is correct |
43 |
Correct |
4 ms |
2680 KB |
Output is correct |
44 |
Correct |
4 ms |
2680 KB |
Output is correct |
45 |
Correct |
4 ms |
2680 KB |
Output is correct |
46 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
47 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
48 |
Incorrect |
4 ms |
2680 KB |
Output isn't correct |
49 |
Correct |
4 ms |
2680 KB |
Output is correct |
50 |
Correct |
5 ms |
2680 KB |
Output is correct |
51 |
Correct |
6 ms |
2680 KB |
Output is correct |
52 |
Correct |
6 ms |
2680 KB |
Output is correct |
53 |
Correct |
4 ms |
2680 KB |
Output is correct |
54 |
Incorrect |
4 ms |
2808 KB |
Output isn't correct |