// boi2013 d1p3
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#pragma region dalykai
using p32 = pair<int, int>;
using p32u = pair<uint32_t, uint32_t>;
using p64 = pair<int64_t, int64_t>;
using p64u = pair<uint64_t, uint64_t>;
using vi16 = vector<int16_t>;
using vi16u = vector<uint16_t>;
using vi32 = vector<int>;
using vi32u = vector<uint32_t>;
using vi64 = vector<int64_t>;
using vi64u = vector<uint64_t>;
using vp32 = vector<p32>;
using vp32u = vector<p32u>;
using vp64 = vector<p64>;
using vp64u = vector<p64u>;
using vvi32 = vector<vi32>;
using vvi32u = vector<vi32u>;
using vvi64 = vector<vi64>;
using vvi64u = vector<vi64u>;
using vvp32 = vector<vp32>;
using vvp32u = vector<vp32u>;
using vvp64 = vector<vp64>;
using vvp64u = vector<vp64u>;
using f80 = long double;
#pragma endregion
int main()
{
#ifndef _AAAAAAAAA
ios_base::sync_with_stdio(false);
cin.tie(0);
#else
freopen("pipes.in", "r", stdin);
#ifndef __linux__
atexit([]()
{
freopen("con", "r", stdin);
system("pause"); });
#endif
#endif
int v, e;
cin >> v >> e;
vi32 initial(v);
for (auto &i : initial)
{
cin >> i;
}
vvp32 adj(v);
vi32 degree(v);
for (int i = 0; i < e; i++)
{
int a, b;
cin >> a >> b;
a--;
b--;
adj[a].emplace_back(b, i);
adj[b].emplace_back(a, i);
degree[a]++;
degree[b]++;
}
// kadangi jungus grafas, pirma atmetam visas medzio dalis ir po to jei lieka
// nelyginis ciklas (is 2k+1 virsuniu), tai sutvarkom ji
// jei lieka kazkoks keistas darinys, tai isvedam 0
queue<int> q;
for (int i = 0; i < v; i++)
{
if (degree[i] == 1)
{
q.push(i);
}
}
vi32 fill(e);
while (!q.empty())
{
int cur = q.front();
q.pop();
for (auto &[next, edge] : adj[cur])
{
fill[edge] += initial[cur];
initial[next] -= initial[cur];
degree[next]--;
if (degree[next] == 1)
{
q.push(next);
}
}
degree[cur] = max(0, degree[cur] - 1);
}
for (auto &f : fill)
{
cout << f * 2 << '\n';
}
return 0;
}
Compilation message
pipes.cpp:9: warning: ignoring '#pragma region dalykai' [-Wunknown-pragmas]
9 | #pragma region dalykai
|
pipes.cpp:33: warning: ignoring '#pragma endregion ' [-Wunknown-pragmas]
33 | #pragma endregion
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
3 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
4 |
Incorrect |
70 ms |
9716 KB |
Output isn't correct |
5 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
6 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
7 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
8 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
9 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
10 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
11 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
12 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
13 |
Incorrect |
42 ms |
7848 KB |
Output isn't correct |
14 |
Incorrect |
51 ms |
9244 KB |
Output isn't correct |
15 |
Incorrect |
58 ms |
9776 KB |
Output isn't correct |
16 |
Incorrect |
45 ms |
8384 KB |
Output isn't correct |
17 |
Incorrect |
62 ms |
9788 KB |
Output isn't correct |
18 |
Incorrect |
53 ms |
9852 KB |
Output isn't correct |
19 |
Incorrect |
55 ms |
9036 KB |
Output isn't correct |
20 |
Incorrect |
0 ms |
324 KB |
Output isn't correct |
21 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
22 |
Incorrect |
63 ms |
9840 KB |
Output isn't correct |
23 |
Incorrect |
54 ms |
7756 KB |
Output isn't correct |
24 |
Incorrect |
63 ms |
9832 KB |
Output isn't correct |
25 |
Incorrect |
47 ms |
8200 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
308 KB |
Output isn't correct |
2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
3 |
Incorrect |
51 ms |
8764 KB |
Output isn't correct |
4 |
Incorrect |
54 ms |
8908 KB |
Output isn't correct |
5 |
Incorrect |
67 ms |
9336 KB |
Output isn't correct |
6 |
Incorrect |
206 ms |
26404 KB |
Output isn't correct |
7 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
8 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
9 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
10 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
11 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
12 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
13 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
14 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
16 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
17 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
18 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
19 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
20 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
21 |
Incorrect |
2 ms |
468 KB |
Output isn't correct |
22 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
23 |
Incorrect |
39 ms |
7480 KB |
Output isn't correct |
24 |
Incorrect |
61 ms |
9164 KB |
Output isn't correct |
25 |
Incorrect |
59 ms |
8772 KB |
Output isn't correct |
26 |
Incorrect |
53 ms |
8940 KB |
Output isn't correct |
27 |
Incorrect |
48 ms |
8668 KB |
Output isn't correct |
28 |
Incorrect |
50 ms |
9568 KB |
Output isn't correct |
29 |
Incorrect |
157 ms |
22088 KB |
Output isn't correct |
30 |
Incorrect |
53 ms |
8708 KB |
Output isn't correct |
31 |
Incorrect |
46 ms |
8888 KB |
Output isn't correct |
32 |
Incorrect |
49 ms |
9568 KB |
Output isn't correct |
33 |
Incorrect |
50 ms |
9164 KB |
Output isn't correct |
34 |
Incorrect |
47 ms |
8924 KB |
Output isn't correct |
35 |
Incorrect |
48 ms |
8908 KB |
Output isn't correct |
36 |
Incorrect |
55 ms |
9448 KB |
Output isn't correct |
37 |
Incorrect |
237 ms |
26444 KB |
Output isn't correct |
38 |
Incorrect |
48 ms |
8992 KB |
Output isn't correct |
39 |
Incorrect |
51 ms |
9532 KB |
Output isn't correct |
40 |
Incorrect |
51 ms |
9236 KB |
Output isn't correct |
41 |
Incorrect |
47 ms |
8860 KB |
Output isn't correct |
42 |
Incorrect |
53 ms |
8740 KB |
Output isn't correct |
43 |
Incorrect |
55 ms |
8700 KB |
Output isn't correct |
44 |
Incorrect |
50 ms |
9272 KB |
Output isn't correct |
45 |
Incorrect |
152 ms |
22124 KB |
Output isn't correct |
46 |
Incorrect |
56 ms |
8908 KB |
Output isn't correct |
47 |
Incorrect |
57 ms |
9300 KB |
Output isn't correct |
48 |
Incorrect |
51 ms |
8916 KB |
Output isn't correct |
49 |
Incorrect |
49 ms |
9072 KB |
Output isn't correct |
50 |
Incorrect |
48 ms |
9036 KB |
Output isn't correct |
51 |
Incorrect |
55 ms |
9292 KB |
Output isn't correct |
52 |
Incorrect |
61 ms |
8780 KB |
Output isn't correct |
53 |
Incorrect |
185 ms |
22732 KB |
Output isn't correct |
54 |
Incorrect |
48 ms |
8996 KB |
Output isn't correct |