| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 885096 |
2023-12-09T02:15:48 Z |
12345678 |
Pipes (BOI13_pipes) |
C++17 |
|
109 ms |
17388 KB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const int nx=1e5+5;
ll n, m, h[nx], u, v, sz, res[nx];
vector<pair<int, int>> d[nx];
void dfs(int u, int p, int idx)
{
for (auto [v, id]:d[u]) if (v!=p) dfs(v, u, id);
if (idx==-1) return;
res[idx]=2*h[u];
h[p]-=h[u];
}
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n>>m;
for (int i=1; i<=n; i++) cin>>h[i];
for (int i=1; i<=m; i++) cin>>u>>v, d[u].push_back({v, i}), d[v].push_back({u, i});
if (m>=n)
{
cout<<0;
return 0;
}
dfs(1, 1, -1);
for (int i=1; i<n; i++) cout<<res[i]<<'\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
2804 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2660 KB |
Output is correct |
| 3 |
Correct |
2 ms |
2648 KB |
Output is correct |
| 4 |
Correct |
36 ms |
8536 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 9 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2908 KB |
Output is correct |
| 13 |
Correct |
31 ms |
7172 KB |
Output is correct |
| 14 |
Correct |
41 ms |
8008 KB |
Output is correct |
| 15 |
Correct |
38 ms |
8532 KB |
Output is correct |
| 16 |
Correct |
42 ms |
7668 KB |
Output is correct |
| 17 |
Correct |
40 ms |
8276 KB |
Output is correct |
| 18 |
Correct |
40 ms |
8456 KB |
Output is correct |
| 19 |
Correct |
41 ms |
10840 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2648 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 22 |
Correct |
34 ms |
8460 KB |
Output is correct |
| 23 |
Correct |
27 ms |
7120 KB |
Output is correct |
| 24 |
Correct |
46 ms |
8532 KB |
Output is correct |
| 25 |
Correct |
29 ms |
7576 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
2648 KB |
Output isn't correct |
| 2 |
Incorrect |
1 ms |
2652 KB |
Output isn't correct |
| 3 |
Correct |
40 ms |
6848 KB |
Output is correct |
| 4 |
Correct |
31 ms |
6608 KB |
Output is correct |
| 5 |
Correct |
29 ms |
6844 KB |
Output is correct |
| 6 |
Correct |
107 ms |
17388 KB |
Output is correct |
| 7 |
Incorrect |
1 ms |
2652 KB |
Output isn't correct |
| 8 |
Incorrect |
1 ms |
2648 KB |
Output isn't correct |
| 9 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Incorrect |
1 ms |
2652 KB |
Output isn't correct |
| 15 |
Incorrect |
1 ms |
2652 KB |
Output isn't correct |
| 16 |
Incorrect |
1 ms |
2648 KB |
Output isn't correct |
| 17 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 20 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 21 |
Correct |
1 ms |
2908 KB |
Output is correct |
| 22 |
Incorrect |
1 ms |
2652 KB |
Output isn't correct |
| 23 |
Incorrect |
20 ms |
5976 KB |
Output isn't correct |
| 24 |
Incorrect |
34 ms |
6748 KB |
Output isn't correct |
| 25 |
Correct |
24 ms |
6748 KB |
Output is correct |
| 26 |
Correct |
25 ms |
6748 KB |
Output is correct |
| 27 |
Correct |
25 ms |
6748 KB |
Output is correct |
| 28 |
Correct |
26 ms |
6996 KB |
Output is correct |
| 29 |
Correct |
91 ms |
15012 KB |
Output is correct |
| 30 |
Incorrect |
25 ms |
6492 KB |
Output isn't correct |
| 31 |
Incorrect |
25 ms |
6628 KB |
Output isn't correct |
| 32 |
Incorrect |
25 ms |
7016 KB |
Output isn't correct |
| 33 |
Correct |
25 ms |
7000 KB |
Output is correct |
| 34 |
Correct |
25 ms |
6740 KB |
Output is correct |
| 35 |
Correct |
26 ms |
6748 KB |
Output is correct |
| 36 |
Correct |
27 ms |
7032 KB |
Output is correct |
| 37 |
Correct |
109 ms |
17324 KB |
Output is correct |
| 38 |
Incorrect |
27 ms |
6720 KB |
Output isn't correct |
| 39 |
Incorrect |
25 ms |
7068 KB |
Output isn't correct |
| 40 |
Incorrect |
30 ms |
6824 KB |
Output isn't correct |
| 41 |
Correct |
36 ms |
6744 KB |
Output is correct |
| 42 |
Correct |
25 ms |
6484 KB |
Output is correct |
| 43 |
Correct |
25 ms |
6748 KB |
Output is correct |
| 44 |
Correct |
25 ms |
6824 KB |
Output is correct |
| 45 |
Correct |
79 ms |
15440 KB |
Output is correct |
| 46 |
Incorrect |
26 ms |
6588 KB |
Output isn't correct |
| 47 |
Incorrect |
25 ms |
6760 KB |
Output isn't correct |
| 48 |
Incorrect |
25 ms |
6628 KB |
Output isn't correct |
| 49 |
Correct |
24 ms |
7004 KB |
Output is correct |
| 50 |
Correct |
31 ms |
6788 KB |
Output is correct |
| 51 |
Correct |
25 ms |
6832 KB |
Output is correct |
| 52 |
Correct |
26 ms |
6748 KB |
Output is correct |
| 53 |
Correct |
85 ms |
15348 KB |
Output is correct |
| 54 |
Incorrect |
25 ms |
6748 KB |
Output isn't correct |
