| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 255581 |
2020-08-01T11:34:55 Z |
amoo_safar |
Pipes (BOI13_pipes) |
C++17 |
|
88 ms |
16504 KB |
// Zende bad Shoma nasime faghat !
#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'
using namespace std;
typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;
const ll Mod = 1000000007LL;
const int N = 2e5 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;
ll n, m, c[N], ans[N];
vector<pll> G[N];
int mk[N];
void Solve(int u){
mk[u] = 1;
for(auto [adj, id] : G[u]){
if(!mk[adj]){
Solve(adj);
ans[id] = 2 * c[adj];
c[u] -= c[adj];
}
}
}
int main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
if(m >= n) return cout << "0\n", 0;
for(int i = 1; i <= n; i++) cin >> c[i];
ll u, v;
for(int i = 1; i <= m; i++){
cin >> u >> v;
G[u].pb({v, i});
G[v].pb({u, i});
}
if(m == n - 1){
Solve(1);
}
for(int i = 1; i <= m; i++) cout << ans[i] << '\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 2 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 3 |
Correct |
5 ms |
5120 KB |
Output is correct |
| 4 |
Correct |
76 ms |
14072 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 6 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 7 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 8 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 9 |
Correct |
4 ms |
5120 KB |
Output is correct |
| 10 |
Correct |
3 ms |
5120 KB |
Output is correct |
| 11 |
Correct |
4 ms |
5120 KB |
Output is correct |
| 12 |
Correct |
5 ms |
5248 KB |
Output is correct |
| 13 |
Correct |
54 ms |
12340 KB |
Output is correct |
| 14 |
Correct |
64 ms |
13688 KB |
Output is correct |
| 15 |
Correct |
71 ms |
14200 KB |
Output is correct |
| 16 |
Correct |
57 ms |
12792 KB |
Output is correct |
| 17 |
Correct |
68 ms |
14072 KB |
Output is correct |
| 18 |
Correct |
88 ms |
14200 KB |
Output is correct |
| 19 |
Correct |
79 ms |
16504 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 21 |
Correct |
4 ms |
5120 KB |
Output is correct |
| 22 |
Correct |
71 ms |
14288 KB |
Output is correct |
| 23 |
Correct |
56 ms |
12280 KB |
Output is correct |
| 24 |
Correct |
70 ms |
14200 KB |
Output is correct |
| 25 |
Correct |
65 ms |
12756 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 2 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 3 |
Correct |
3 ms |
5120 KB |
Output is correct |
| 4 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 5 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 6 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 7 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 8 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 9 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 10 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 11 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 12 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 13 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 14 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 15 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 16 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 17 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 18 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 19 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 20 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 21 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 22 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 23 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 24 |
Incorrect |
4 ms |
5120 KB |
Output isn't correct |
| 25 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 26 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 27 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 28 |
Correct |
3 ms |
5120 KB |
Output is correct |
| 29 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 30 |
Incorrect |
3 ms |
5120 KB |
Output isn't correct |
| 31 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 32 |
Incorrect |
4 ms |
4992 KB |
Output isn't correct |
| 33 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 34 |
Correct |
5 ms |
5120 KB |
Output is correct |
| 35 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 36 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 37 |
Correct |
4 ms |
5120 KB |
Output is correct |
| 38 |
Incorrect |
3 ms |
5120 KB |
Output isn't correct |
| 39 |
Incorrect |
3 ms |
5120 KB |
Output isn't correct |
| 40 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 41 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 42 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 43 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 44 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 45 |
Correct |
3 ms |
5120 KB |
Output is correct |
| 46 |
Incorrect |
4 ms |
4992 KB |
Output isn't correct |
| 47 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
| 48 |
Incorrect |
4 ms |
4992 KB |
Output isn't correct |
| 49 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 50 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 51 |
Correct |
4 ms |
4992 KB |
Output is correct |
| 52 |
Correct |
3 ms |
4992 KB |
Output is correct |
| 53 |
Correct |
4 ms |
5120 KB |
Output is correct |
| 54 |
Incorrect |
3 ms |
4992 KB |
Output isn't correct |
