#include <bits/stdc++.h>
using namespace std;
#define int long long int
void solve() {
int n, m, po = 0;
cin >> n >> m;
vector<int> s(n+1), ans(n+1), vis(n+1, 0), proc(n+1, 0);
vector<vector<int>> adj(n+1);
for (int i = 1; i <= n; i++) {
cin >> s[i];
po += s[i];
}
for (int i = 0; i < m; i++) {
int a, b;
cin >> a >> b;
adj[a].push_back(b);
adj[b].push_back(a);
}
queue<int> q;
q.push(1);
while(!q.empty()) {
int ind = q.front();
q.pop();
if (proc[ind]) {
continue;
}
proc[ind] = 1;
int inh = s[ind];
priority_queue<pair<int, int>> pq;
pq.push({0, ind});
while(!pq.empty()) {
auto [w, a] = pq.top();
pq.pop();
if (vis[a] == ind) {
continue;
}
w = abs(w);
if (inh < w) {
break;
}
inh += w;
if (ans[a]) {
ans[ind] = 1;
break;
}
vis[a] = ind;
for (int b : adj[a]) {
if (vis[b] == ind) {
continue;
}
pq.push({-s[b], b});
}
}
if (po == inh) {
ans[ind] = 1;
}
for (int j : adj[ind]) {
if (proc[j]) {
continue;
}
q.push(j);
}
}
for (int i = 1; i <= n; i++) {
cout << ans[i];
}
cout << endl;
}
int32_t main() {
ios::sync_with_stdio(0);
cin.tie(0);
int t;
t = 1;
while(t--) {
solve();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
604 KB |
Output is correct |
5 |
Correct |
2 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
604 KB |
Output is correct |
8 |
Correct |
2 ms |
604 KB |
Output is correct |
9 |
Correct |
214 ms |
680 KB |
Output is correct |
10 |
Correct |
2 ms |
600 KB |
Output is correct |
11 |
Correct |
1 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
80 ms |
628 KB |
Output is correct |
14 |
Correct |
69 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Execution timed out |
1085 ms |
24340 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
156 ms |
22196 KB |
Output is correct |
3 |
Correct |
169 ms |
22296 KB |
Output is correct |
4 |
Execution timed out |
1065 ms |
21900 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
489 ms |
23220 KB |
Output is correct |
3 |
Correct |
490 ms |
23124 KB |
Output is correct |
4 |
Correct |
397 ms |
23376 KB |
Output is correct |
5 |
Correct |
418 ms |
23260 KB |
Output is correct |
6 |
Correct |
454 ms |
23004 KB |
Output is correct |
7 |
Correct |
160 ms |
32000 KB |
Output is correct |
8 |
Execution timed out |
1041 ms |
26448 KB |
Time limit exceeded |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
3 ms |
604 KB |
Output is correct |
5 |
Correct |
2 ms |
604 KB |
Output is correct |
6 |
Correct |
2 ms |
604 KB |
Output is correct |
7 |
Correct |
2 ms |
604 KB |
Output is correct |
8 |
Correct |
2 ms |
604 KB |
Output is correct |
9 |
Correct |
214 ms |
680 KB |
Output is correct |
10 |
Correct |
2 ms |
600 KB |
Output is correct |
11 |
Correct |
1 ms |
604 KB |
Output is correct |
12 |
Correct |
2 ms |
604 KB |
Output is correct |
13 |
Correct |
80 ms |
628 KB |
Output is correct |
14 |
Correct |
69 ms |
600 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Execution timed out |
1085 ms |
24340 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |