// 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;
}
# |
결과 |
실행 시간 |
메모리 |
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 |
# |
결과 |
실행 시간 |
메모리 |
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 |