#include <bits/stdc++.h>
#define name "cownav"
#define fi(i,a,b) for(int i = a; i <= b; i++)
#define fid(i,a,b) for(int i = a; i >= b; i--)
#define ll long long
#define f first
#define se second
#define pii pair<int, ll>
#define getbit(i, j) ((i >> j) & 1)
#define pb push_back
#define all(v) v.begin(), v.end()
#define maxn 200005
const int M = 1e9 + 7;
using namespace std;
mt19937_64 rng(time(0));
int n, m, a[maxn];
vector <int> g[maxn];
priority_queue <pii> q;
bool xd[maxn];
bool check(int x){
fi(i, 1, n) xd[i] = 0;
xd[x] = 1;
ll sum = a[x];
while(q.size()) q.pop();
for(auto v: g[x]) xd[v] = 1, q.push({-a[v], v});
while(q.size()){
auto [h, u] = q.top(); q.pop();
if(sum < a[u]) return 0;
sum += a[u];
for(auto v: g[u]) if(!xd[v]) xd[v] = 1, q.push({-a[v], v});
}
return 1;
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(NULL);
// freopen(name".inp","r",stdin);
//freopen(name".out","w",stdout);
cin >> n >> m;
fi(i, 1, n) cin >> a[i];
fi(i, 1, m){
int u, v; cin >> u >> v;
g[u].pb(v); g[v].pb(u);
}
if(n <= 2000 && m <= 2000){
fi(i, 1, n) cout << check(i);
return 0;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4956 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
1 ms |
4952 KB |
Output is correct |
4 |
Correct |
143 ms |
5196 KB |
Output is correct |
5 |
Correct |
134 ms |
5212 KB |
Output is correct |
6 |
Correct |
199 ms |
5460 KB |
Output is correct |
7 |
Correct |
139 ms |
5212 KB |
Output is correct |
8 |
Correct |
97 ms |
5212 KB |
Output is correct |
9 |
Correct |
272 ms |
5292 KB |
Output is correct |
10 |
Correct |
55 ms |
5212 KB |
Output is correct |
11 |
Correct |
51 ms |
5212 KB |
Output is correct |
12 |
Correct |
46 ms |
5212 KB |
Output is correct |
13 |
Correct |
91 ms |
5256 KB |
Output is correct |
14 |
Correct |
84 ms |
5208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4956 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Incorrect |
81 ms |
16356 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4956 KB |
Output is correct |
2 |
Incorrect |
64 ms |
16480 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4956 KB |
Output is correct |
2 |
Incorrect |
75 ms |
16468 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4956 KB |
Output is correct |
2 |
Correct |
1 ms |
4956 KB |
Output is correct |
3 |
Correct |
1 ms |
4952 KB |
Output is correct |
4 |
Correct |
143 ms |
5196 KB |
Output is correct |
5 |
Correct |
134 ms |
5212 KB |
Output is correct |
6 |
Correct |
199 ms |
5460 KB |
Output is correct |
7 |
Correct |
139 ms |
5212 KB |
Output is correct |
8 |
Correct |
97 ms |
5212 KB |
Output is correct |
9 |
Correct |
272 ms |
5292 KB |
Output is correct |
10 |
Correct |
55 ms |
5212 KB |
Output is correct |
11 |
Correct |
51 ms |
5212 KB |
Output is correct |
12 |
Correct |
46 ms |
5212 KB |
Output is correct |
13 |
Correct |
91 ms |
5256 KB |
Output is correct |
14 |
Correct |
84 ms |
5208 KB |
Output is correct |
15 |
Correct |
1 ms |
4956 KB |
Output is correct |
16 |
Correct |
1 ms |
4956 KB |
Output is correct |
17 |
Incorrect |
81 ms |
16356 KB |
Output isn't correct |
18 |
Halted |
0 ms |
0 KB |
- |