| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 535159 |
2022-03-09T14:23:43 Z |
faik |
Pipes (BOI13_pipes) |
C++14 |
|
81 ms |
12936 KB |
#include <bits/stdc++.h>
using namespace std;
#define MOD 998244353
#define INF 1000000001
#define LNF 1000000000000000001
#define int ll
typedef long long ll;
typedef pair<int,int> pii;
void solve(){
//#define TEST
int n,m;cin >> n >> m;
if(m > n){
cout << "0";
return;
}
vector<int> net(n);
for(int i = 0;i < n;i++){
cin >> net[i];
}
vector<int> ret(m);
vector<vector<pii>> edge(n);
for(int i = 0;i < m;i++){
int a,b;cin >> a >> b;
edge[a].emplace_back(b,i);
edge[b].emplace_back(a,i);
}
stack<int> leaf;
vector<int> sizes(n);
vector<int> removed(n);
for(int i = 0;i < n;i++){
sizes[i] = edge[i].size();
if(edge[i].size() == 1){
leaf.push(i);
}
}
while(!leaf.empty()){
int top = leaf.top();
leaf.pop();
removed[top] = true;
pii parent;
for(auto i : edge[top]){
if(!removed[i.first])
parent = i;
}
ret[parent.second] = -net[top]*2;
sizes[top]--;
sizes[parent.first]--;
if(sizes[parent.first] == 1){
leaf.push(parent.first);
}
}
int left = 0;
for(int i = 0;i < n;i++){
if(!removed[i])
left++;
}
if(left == 0){
for(int i : ret)
cout << i << ' ';
return;
} else if(left%2 == 0){
cout << '0';
return;
}
}
signed main(){
cin.tie(0);
ios_base::sync_with_stdio(0);
#ifdef DEBUG
freopen("i.txt","r",stdin);
freopen("o.txt","w",stdout);
#endif
int t = 1;
#ifdef TEST
cin >> t;
#endif
while(t--){
solve();
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
440 KB |
Execution killed with signal 11 |
| 2 |
Runtime error |
1 ms |
432 KB |
Execution killed with signal 11 |
| 3 |
Runtime error |
2 ms |
556 KB |
Execution killed with signal 11 |
| 4 |
Incorrect |
54 ms |
12808 KB |
Output isn't correct |
| 5 |
Runtime error |
1 ms |
420 KB |
Execution killed with signal 11 |
| 6 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
| 7 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
| 8 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
| 9 |
Runtime error |
3 ms |
708 KB |
Execution killed with signal 6 |
| 10 |
Runtime error |
1 ms |
584 KB |
Execution killed with signal 11 |
| 11 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
| 12 |
Runtime error |
3 ms |
588 KB |
Execution killed with signal 6 |
| 13 |
Incorrect |
39 ms |
10184 KB |
Output isn't correct |
| 14 |
Incorrect |
50 ms |
12088 KB |
Output isn't correct |
| 15 |
Incorrect |
60 ms |
12936 KB |
Output isn't correct |
| 16 |
Incorrect |
44 ms |
10924 KB |
Output isn't correct |
| 17 |
Incorrect |
53 ms |
12776 KB |
Output isn't correct |
| 18 |
Incorrect |
63 ms |
12876 KB |
Output isn't correct |
| 19 |
Incorrect |
77 ms |
12472 KB |
Output isn't correct |
| 20 |
Runtime error |
1 ms |
452 KB |
Execution killed with signal 11 |
| 21 |
Runtime error |
1 ms |
572 KB |
Execution killed with signal 11 |
| 22 |
Incorrect |
55 ms |
12860 KB |
Output isn't correct |
| 23 |
Incorrect |
40 ms |
10272 KB |
Output isn't correct |
| 24 |
Incorrect |
81 ms |
12836 KB |
Output isn't correct |
| 25 |
Incorrect |
49 ms |
10708 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
| 2 |
Runtime error |
1 ms |
448 KB |
Execution killed with signal 11 |
| 3 |
Incorrect |
43 ms |
12024 KB |
Output isn't correct |
| 4 |
Correct |
1 ms |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
316 KB |
Output is correct |
| 6 |
Correct |
1 ms |
324 KB |
Output is correct |
| 7 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
| 8 |
Runtime error |
2 ms |
588 KB |
Execution killed with signal 6 |
| 9 |
Runtime error |
1 ms |
428 KB |
Execution killed with signal 11 |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
312 KB |
Output is correct |
| 12 |
Correct |
1 ms |
204 KB |
Output is correct |
| 13 |
Correct |
0 ms |
204 KB |
Output is correct |
| 14 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
| 15 |
Runtime error |
1 ms |
448 KB |
Execution killed with signal 11 |
| 16 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 11 |
| 17 |
Runtime error |
1 ms |
576 KB |
Execution killed with signal 11 |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
204 KB |
Output is correct |
| 20 |
Correct |
0 ms |
204 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Runtime error |
1 ms |
588 KB |
Execution killed with signal 11 |
| 23 |
Incorrect |
37 ms |
10436 KB |
Output isn't correct |
| 24 |
Incorrect |
47 ms |
12768 KB |
Output isn't correct |
| 25 |
Incorrect |
60 ms |
12040 KB |
Output isn't correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| 27 |
Correct |
1 ms |
332 KB |
Output is correct |
| 28 |
Correct |
1 ms |
332 KB |
Output is correct |
| 29 |
Correct |
0 ms |
312 KB |
Output is correct |
| 30 |
Incorrect |
48 ms |
12192 KB |
Output isn't correct |
| 31 |
Incorrect |
49 ms |
12528 KB |
Output isn't correct |
| 32 |
Incorrect |
59 ms |
12848 KB |
Output isn't correct |
| 33 |
Correct |
51 ms |
12680 KB |
Output is correct |
| 34 |
Correct |
1 ms |
332 KB |
Output is correct |
| 35 |
Correct |
1 ms |
324 KB |
Output is correct |
| 36 |
Correct |
1 ms |
324 KB |
Output is correct |
| 37 |
Correct |
1 ms |
316 KB |
Output is correct |
| 38 |
Incorrect |
62 ms |
12648 KB |
Output isn't correct |
| 39 |
Incorrect |
55 ms |
12736 KB |
Output isn't correct |
| 40 |
Incorrect |
45 ms |
12724 KB |
Output isn't correct |
| 41 |
Incorrect |
49 ms |
12508 KB |
Output isn't correct |
| 42 |
Correct |
1 ms |
320 KB |
Output is correct |
| 43 |
Correct |
1 ms |
284 KB |
Output is correct |
| 44 |
Correct |
1 ms |
332 KB |
Output is correct |
| 45 |
Correct |
1 ms |
324 KB |
Output is correct |
| 46 |
Incorrect |
56 ms |
12472 KB |
Output isn't correct |
| 47 |
Incorrect |
43 ms |
12740 KB |
Output isn't correct |
| 48 |
Incorrect |
41 ms |
12596 KB |
Output isn't correct |
| 49 |
Incorrect |
55 ms |
12048 KB |
Output isn't correct |
| 50 |
Correct |
1 ms |
332 KB |
Output is correct |
| 51 |
Correct |
1 ms |
332 KB |
Output is correct |
| 52 |
Correct |
1 ms |
328 KB |
Output is correct |
| 53 |
Correct |
1 ms |
300 KB |
Output is correct |
| 54 |
Incorrect |
52 ms |
12468 KB |
Output isn't correct |
