#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define db double
#define pairll pair<ll,ll>
#define lpairll pair<ll,pairll>
#define repp(i,a,b) for (ll i = a; i <= b; i++)
#define repz(i,a,b) for (ll i = a; i < b; i++)
#define repm(i,a,b) for (ll i = a; i >= b; i--)
#define fr first
#define sc second
#define mp make_pair
#define pb push_back
const ll N = 2e3+5, MOD = 1e9+7;
ll tc = 1, n, m, ar[N], br[N], vs[N];
ll x, y, k;
string s, s1, s2, ye = "YES", no = "NO";
vector<pairll> v;
vector<ll> ed[N];
void input(){
cin >> n >> m;
repp(i,1,n) cin >> ar[i];
repp(i,1,m){
cin >> x >> y;
ed[x].pb(y);
ed[y].pb(x);
}
}
void sub1(){
repp(i,1,n){
ll cur = ar[i], vst = 1;
priority_queue<pairll, vector<pairll>, greater<pairll> > pq;
queue<ll> q;
q.push(i);
vs[i] = i;
while(q.size()){
ll a = q.front();
//cout << i << " " << a << endl;
q.pop();
for (auto nx : ed[a]){
if (vs[nx] == i) continue;
if (ar[nx] > cur){
pq.push(mp(ar[nx],nx));
}
else{
cur += ar[nx];
vs[nx] = i;
q.push(nx);
vst++;
}
}
while(pq.size() && pq.top().fr <= cur){
pairll a = pq.top();
pq.pop();
cur += a.fr;
vs[a.sc] = i;
q.push(a.sc);
vst++;
}
}
cout << (vst == n);
}
}
void solve(){
if (n <= 2e3 && m <= 2e3) sub1();
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
//cin >> tc;
while(tc--){
input();
solve();
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
55 ms |
492 KB |
Output is correct |
5 |
Correct |
49 ms |
520 KB |
Output is correct |
6 |
Correct |
71 ms |
484 KB |
Output is correct |
7 |
Correct |
50 ms |
468 KB |
Output is correct |
8 |
Correct |
35 ms |
476 KB |
Output is correct |
9 |
Correct |
50 ms |
516 KB |
Output is correct |
10 |
Correct |
42 ms |
468 KB |
Output is correct |
11 |
Correct |
40 ms |
468 KB |
Output is correct |
12 |
Correct |
27 ms |
468 KB |
Output is correct |
13 |
Correct |
75 ms |
484 KB |
Output is correct |
14 |
Correct |
27 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Runtime error |
1 ms |
596 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Runtime error |
1 ms |
644 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Runtime error |
1 ms |
596 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
55 ms |
492 KB |
Output is correct |
5 |
Correct |
49 ms |
520 KB |
Output is correct |
6 |
Correct |
71 ms |
484 KB |
Output is correct |
7 |
Correct |
50 ms |
468 KB |
Output is correct |
8 |
Correct |
35 ms |
476 KB |
Output is correct |
9 |
Correct |
50 ms |
516 KB |
Output is correct |
10 |
Correct |
42 ms |
468 KB |
Output is correct |
11 |
Correct |
40 ms |
468 KB |
Output is correct |
12 |
Correct |
27 ms |
468 KB |
Output is correct |
13 |
Correct |
75 ms |
484 KB |
Output is correct |
14 |
Correct |
27 ms |
468 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Runtime error |
1 ms |
596 KB |
Execution killed with signal 11 |
18 |
Halted |
0 ms |
0 KB |
- |