// header file
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
// pragma
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
// macros
#define endl "\n"
#define ll long long
#define mp make_pair
#define ins insert
#define lb lower_bound
#define pb push_back
#define ub upper_bound
#define lll __int128
#define fi first
#define se second
using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_multiset;
typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set;
const int lim = 1e5 + 5;
int a[lim];
int main() {
ios_base::sync_with_stdio(0); cin.tie(NULL);
// (x + y - z) / 2
int n, m;
cin >> n >> m;
ll tot = 0;
for(int i = 1; i <= n; ++i)
cin >> a[i], tot += a[i];
pair<pair<int, int>, ll> adj[m + 1];
ll cs[n + 1];
memset(cs, 0, sizeof(cs));
vector<ll> res;
for(int i = 1; i <= m; ++i) {
int x, y;
cin >> x >> y;
ll tmp = (2 * (a[x] + a[y]) - tot) / 2;
res.pb(tmp);
cs[x] += tmp;
cs[y] += tmp;
}
bool ans = 1;
for(int i = 1; i <= n; ++i)
ans &= (cs[i] == a[i]);
if(ans) {
for(auto i : res)
cout << 2 * i << endl;
}
else {
cout << 0 << endl;
}
return 0;
}
Compilation message
pipes.cpp: In function 'int main()':
pipes.cpp:33:30: warning: unused variable 'adj' [-Wunused-variable]
33 | pair<pair<int, int>, ll> adj[m + 1];
| ^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 4 |
Incorrect |
29 ms |
5560 KB |
Output isn't correct |
| 5 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 7 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 8 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 9 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
340 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 |
22 ms |
4880 KB |
Output isn't correct |
| 14 |
Incorrect |
24 ms |
5492 KB |
Output isn't correct |
| 15 |
Incorrect |
31 ms |
5580 KB |
Output isn't correct |
| 16 |
Incorrect |
21 ms |
4968 KB |
Output isn't correct |
| 17 |
Incorrect |
25 ms |
5552 KB |
Output isn't correct |
| 18 |
Incorrect |
26 ms |
5540 KB |
Output isn't correct |
| 19 |
Incorrect |
23 ms |
5592 KB |
Output isn't correct |
| 20 |
Incorrect |
0 ms |
332 KB |
Output isn't correct |
| 21 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 22 |
Incorrect |
26 ms |
5504 KB |
Output isn't correct |
| 23 |
Incorrect |
19 ms |
4776 KB |
Output isn't correct |
| 24 |
Incorrect |
25 ms |
5568 KB |
Output isn't correct |
| 25 |
Incorrect |
19 ms |
5032 KB |
Output isn't correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 3 |
Correct |
24 ms |
5348 KB |
Output is correct |
| 4 |
Correct |
24 ms |
5508 KB |
Output is correct |
| 5 |
Correct |
24 ms |
5520 KB |
Output is correct |
| 6 |
Correct |
89 ms |
19556 KB |
Output is correct |
| 7 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 8 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 KB |
Output is correct |
| 14 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 16 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
344 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
468 KB |
Output is correct |
| 22 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 23 |
Incorrect |
19 ms |
4948 KB |
Output isn't correct |
| 24 |
Incorrect |
31 ms |
5580 KB |
Output isn't correct |
| 25 |
Correct |
29 ms |
5452 KB |
Output is correct |
| 26 |
Correct |
27 ms |
5580 KB |
Output is correct |
| 27 |
Correct |
30 ms |
5580 KB |
Output is correct |
| 28 |
Correct |
25 ms |
5684 KB |
Output is correct |
| 29 |
Correct |
75 ms |
16048 KB |
Output is correct |
| 30 |
Incorrect |
24 ms |
5572 KB |
Output isn't correct |
| 31 |
Incorrect |
24 ms |
5504 KB |
Output isn't correct |
| 32 |
Incorrect |
23 ms |
5576 KB |
Output isn't correct |
| 33 |
Correct |
25 ms |
5576 KB |
Output is correct |
| 34 |
Correct |
26 ms |
5584 KB |
Output is correct |
| 35 |
Correct |
30 ms |
5584 KB |
Output is correct |
| 36 |
Correct |
24 ms |
5580 KB |
Output is correct |
| 37 |
Correct |
103 ms |
19484 KB |
Output is correct |
| 38 |
Incorrect |
25 ms |
5524 KB |
Output isn't correct |
| 39 |
Incorrect |
25 ms |
5564 KB |
Output isn't correct |
| 40 |
Incorrect |
23 ms |
5556 KB |
Output isn't correct |
| 41 |
Correct |
25 ms |
5588 KB |
Output is correct |
| 42 |
Correct |
24 ms |
5600 KB |
Output is correct |
| 43 |
Correct |
24 ms |
5528 KB |
Output is correct |
| 44 |
Correct |
23 ms |
5508 KB |
Output is correct |
| 45 |
Correct |
77 ms |
16732 KB |
Output is correct |
| 46 |
Incorrect |
24 ms |
5584 KB |
Output isn't correct |
| 47 |
Incorrect |
26 ms |
5500 KB |
Output isn't correct |
| 48 |
Incorrect |
32 ms |
5524 KB |
Output isn't correct |
| 49 |
Correct |
27 ms |
5408 KB |
Output is correct |
| 50 |
Correct |
23 ms |
5528 KB |
Output is correct |
| 51 |
Correct |
25 ms |
5580 KB |
Output is correct |
| 52 |
Correct |
27 ms |
5452 KB |
Output is correct |
| 53 |
Correct |
88 ms |
17316 KB |
Output is correct |
| 54 |
Incorrect |
24 ms |
5496 KB |
Output isn't correct |
