#include <algorithm>
#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <map>
#define int long long
#define pii pair <int, int>
using namespace std;
//ifstream fin("input.in");
//ofstream fout("output.out");
#define fin cin
#define fout cout
const int NMAX = 2e5;
int v[NMAX + 1];
vector <int> adj[NMAX + 1];
int par[NMAX + 1];
int sum[NMAX + 1];
bool bad[NMAX + 1];
int Find(int x){
if(x == par[x]){
return x;
}
int y = Find(par[x]); // ?
bad[x] |= bad[par[x]];
par[x] = y;
return par[x];
}
void Join(int x, int y){
x = Find(x);
y = Find(y);
if(x == y){
return;
}
if(v[x] < v[y]){
swap(x, y);
}
if(v[x] > sum[y]){
bad[y] = 1;
}
par[y] = x;
sum[x] += sum[y];
}
bool ins[NMAX + 1];
void Insert(int x){
ins[x] = true;
for(int vec : adj[x]){
if(ins[vec]){
Join(vec, x);
}
}
}
vector <int> inds[NMAX + 1];
pii e[NMAX + 1];
signed main(){
int n, m;
cin >> n >> m;
vector <int> vals;
for(int i = 1; i <= n; i++){
cin >> v[i];
par[i] = i;
sum[i] = v[i];
vals.push_back(v[i]);
}
vector <pii> aux;
for(int i = 1; i <= m; i++){
int a, b;
fin >> a >> b;
adj[a].push_back(b);
adj[b].push_back(a);
e[i] = {a, b};
aux.push_back({max(v[a], v[b]), i});
}
sort(aux.begin(), aux.end());
for(pii x : aux){
Join(e[x.second].first, e[x.second].second);
}
for(int i = 1; i <= n; i++){
Find(i);
cout << !bad[i];
}
cout << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
14684 KB |
Output is correct |
2 |
Correct |
2 ms |
14684 KB |
Output is correct |
3 |
Correct |
2 ms |
14684 KB |
Output is correct |
4 |
Correct |
4 ms |
14940 KB |
Output is correct |
5 |
Correct |
5 ms |
14940 KB |
Output is correct |
6 |
Correct |
4 ms |
14940 KB |
Output is correct |
7 |
Correct |
4 ms |
14940 KB |
Output is correct |
8 |
Correct |
4 ms |
14940 KB |
Output is correct |
9 |
Correct |
4 ms |
15192 KB |
Output is correct |
10 |
Correct |
4 ms |
14940 KB |
Output is correct |
11 |
Correct |
4 ms |
14940 KB |
Output is correct |
12 |
Correct |
4 ms |
14940 KB |
Output is correct |
13 |
Correct |
4 ms |
14940 KB |
Output is correct |
14 |
Correct |
4 ms |
14940 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
14684 KB |
Output is correct |
2 |
Correct |
3 ms |
14684 KB |
Output is correct |
3 |
Correct |
240 ms |
30356 KB |
Output is correct |
4 |
Correct |
171 ms |
30036 KB |
Output is correct |
5 |
Correct |
219 ms |
30420 KB |
Output is correct |
6 |
Correct |
218 ms |
30656 KB |
Output is correct |
7 |
Correct |
210 ms |
30892 KB |
Output is correct |
8 |
Correct |
216 ms |
30288 KB |
Output is correct |
9 |
Correct |
209 ms |
32100 KB |
Output is correct |
10 |
Correct |
165 ms |
30764 KB |
Output is correct |
11 |
Correct |
163 ms |
33212 KB |
Output is correct |
12 |
Correct |
178 ms |
30732 KB |
Output is correct |
13 |
Correct |
184 ms |
29632 KB |
Output is correct |
14 |
Correct |
168 ms |
31136 KB |
Output is correct |
15 |
Correct |
221 ms |
29600 KB |
Output is correct |
16 |
Correct |
156 ms |
28856 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
14684 KB |
Output is correct |
2 |
Correct |
212 ms |
29216 KB |
Output is correct |
3 |
Correct |
213 ms |
30620 KB |
Output is correct |
4 |
Correct |
200 ms |
29884 KB |
Output is correct |
5 |
Correct |
174 ms |
30596 KB |
Output is correct |
6 |
Correct |
235 ms |
29188 KB |
Output is correct |
7 |
Correct |
208 ms |
29556 KB |
Output is correct |
8 |
Correct |
213 ms |
29376 KB |
Output is correct |
9 |
Correct |
157 ms |
28860 KB |
Output is correct |
10 |
Correct |
178 ms |
29632 KB |
Output is correct |
11 |
Correct |
180 ms |
30188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
14684 KB |
Output is correct |
2 |
Correct |
220 ms |
30080 KB |
Output is correct |
3 |
Correct |
233 ms |
34864 KB |
Output is correct |
4 |
Correct |
264 ms |
34504 KB |
Output is correct |
5 |
Correct |
206 ms |
35520 KB |
Output is correct |
6 |
Correct |
209 ms |
34748 KB |
Output is correct |
7 |
Correct |
187 ms |
37060 KB |
Output is correct |
8 |
Correct |
159 ms |
35520 KB |
Output is correct |
9 |
Correct |
198 ms |
29836 KB |
Output is correct |
10 |
Correct |
185 ms |
33000 KB |
Output is correct |
11 |
Correct |
178 ms |
32188 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
14684 KB |
Output is correct |
2 |
Correct |
2 ms |
14684 KB |
Output is correct |
3 |
Correct |
2 ms |
14684 KB |
Output is correct |
4 |
Correct |
4 ms |
14940 KB |
Output is correct |
5 |
Correct |
5 ms |
14940 KB |
Output is correct |
6 |
Correct |
4 ms |
14940 KB |
Output is correct |
7 |
Correct |
4 ms |
14940 KB |
Output is correct |
8 |
Correct |
4 ms |
14940 KB |
Output is correct |
9 |
Correct |
4 ms |
15192 KB |
Output is correct |
10 |
Correct |
4 ms |
14940 KB |
Output is correct |
11 |
Correct |
4 ms |
14940 KB |
Output is correct |
12 |
Correct |
4 ms |
14940 KB |
Output is correct |
13 |
Correct |
4 ms |
14940 KB |
Output is correct |
14 |
Correct |
4 ms |
14940 KB |
Output is correct |
15 |
Correct |
2 ms |
14684 KB |
Output is correct |
16 |
Correct |
3 ms |
14684 KB |
Output is correct |
17 |
Correct |
240 ms |
30356 KB |
Output is correct |
18 |
Correct |
171 ms |
30036 KB |
Output is correct |
19 |
Correct |
219 ms |
30420 KB |
Output is correct |
20 |
Correct |
218 ms |
30656 KB |
Output is correct |
21 |
Correct |
210 ms |
30892 KB |
Output is correct |
22 |
Correct |
216 ms |
30288 KB |
Output is correct |
23 |
Correct |
209 ms |
32100 KB |
Output is correct |
24 |
Correct |
165 ms |
30764 KB |
Output is correct |
25 |
Correct |
163 ms |
33212 KB |
Output is correct |
26 |
Correct |
178 ms |
30732 KB |
Output is correct |
27 |
Correct |
184 ms |
29632 KB |
Output is correct |
28 |
Correct |
168 ms |
31136 KB |
Output is correct |
29 |
Correct |
221 ms |
29600 KB |
Output is correct |
30 |
Correct |
156 ms |
28856 KB |
Output is correct |
31 |
Correct |
2 ms |
14684 KB |
Output is correct |
32 |
Correct |
212 ms |
29216 KB |
Output is correct |
33 |
Correct |
213 ms |
30620 KB |
Output is correct |
34 |
Correct |
200 ms |
29884 KB |
Output is correct |
35 |
Correct |
174 ms |
30596 KB |
Output is correct |
36 |
Correct |
235 ms |
29188 KB |
Output is correct |
37 |
Correct |
208 ms |
29556 KB |
Output is correct |
38 |
Correct |
213 ms |
29376 KB |
Output is correct |
39 |
Correct |
157 ms |
28860 KB |
Output is correct |
40 |
Correct |
178 ms |
29632 KB |
Output is correct |
41 |
Correct |
180 ms |
30188 KB |
Output is correct |
42 |
Correct |
2 ms |
14684 KB |
Output is correct |
43 |
Correct |
220 ms |
30080 KB |
Output is correct |
44 |
Correct |
233 ms |
34864 KB |
Output is correct |
45 |
Correct |
264 ms |
34504 KB |
Output is correct |
46 |
Correct |
206 ms |
35520 KB |
Output is correct |
47 |
Correct |
209 ms |
34748 KB |
Output is correct |
48 |
Correct |
187 ms |
37060 KB |
Output is correct |
49 |
Correct |
159 ms |
35520 KB |
Output is correct |
50 |
Correct |
198 ms |
29836 KB |
Output is correct |
51 |
Correct |
185 ms |
33000 KB |
Output is correct |
52 |
Correct |
178 ms |
32188 KB |
Output is correct |
53 |
Correct |
3 ms |
14684 KB |
Output is correct |
54 |
Correct |
3 ms |
14684 KB |
Output is correct |
55 |
Correct |
3 ms |
14684 KB |
Output is correct |
56 |
Correct |
5 ms |
14940 KB |
Output is correct |
57 |
Correct |
4 ms |
14936 KB |
Output is correct |
58 |
Correct |
4 ms |
14940 KB |
Output is correct |
59 |
Correct |
4 ms |
14940 KB |
Output is correct |
60 |
Correct |
4 ms |
14940 KB |
Output is correct |
61 |
Correct |
4 ms |
14940 KB |
Output is correct |
62 |
Correct |
4 ms |
14940 KB |
Output is correct |
63 |
Correct |
5 ms |
14940 KB |
Output is correct |
64 |
Correct |
5 ms |
14940 KB |
Output is correct |
65 |
Correct |
4 ms |
14940 KB |
Output is correct |
66 |
Correct |
4 ms |
14940 KB |
Output is correct |
67 |
Correct |
211 ms |
34484 KB |
Output is correct |
68 |
Correct |
216 ms |
33212 KB |
Output is correct |
69 |
Correct |
218 ms |
35008 KB |
Output is correct |
70 |
Correct |
219 ms |
34388 KB |
Output is correct |
71 |
Correct |
213 ms |
34752 KB |
Output is correct |
72 |
Correct |
204 ms |
35176 KB |
Output is correct |
73 |
Correct |
248 ms |
35832 KB |
Output is correct |
74 |
Correct |
187 ms |
34188 KB |
Output is correct |
75 |
Correct |
186 ms |
37308 KB |
Output is correct |
76 |
Correct |
191 ms |
33072 KB |
Output is correct |
77 |
Correct |
179 ms |
33060 KB |
Output is correct |
78 |
Correct |
173 ms |
32108 KB |
Output is correct |
79 |
Correct |
244 ms |
34600 KB |
Output is correct |
80 |
Correct |
156 ms |
32696 KB |
Output is correct |
81 |
Correct |
224 ms |
33468 KB |
Output is correct |
82 |
Correct |
235 ms |
34292 KB |
Output is correct |
83 |
Correct |
210 ms |
33464 KB |
Output is correct |
84 |
Correct |
180 ms |
33356 KB |
Output is correct |
85 |
Correct |
237 ms |
34424 KB |
Output is correct |
86 |
Correct |
207 ms |
34616 KB |
Output is correct |
87 |
Correct |
235 ms |
34240 KB |
Output is correct |
88 |
Correct |
187 ms |
32820 KB |
Output is correct |
89 |
Correct |
183 ms |
32188 KB |
Output is correct |
90 |
Correct |
234 ms |
34496 KB |
Output is correct |
91 |
Correct |
232 ms |
34376 KB |
Output is correct |
92 |
Correct |
253 ms |
35260 KB |
Output is correct |
93 |
Correct |
227 ms |
34476 KB |
Output is correct |
94 |
Correct |
205 ms |
34952 KB |
Output is correct |
95 |
Correct |
204 ms |
37132 KB |
Output is correct |
96 |
Correct |
167 ms |
36028 KB |
Output is correct |
97 |
Correct |
154 ms |
29624 KB |
Output is correct |
98 |
Correct |
171 ms |
33560 KB |
Output is correct |
99 |
Correct |
198 ms |
32424 KB |
Output is correct |
100 |
Correct |
105 ms |
27596 KB |
Output is correct |
101 |
Correct |
266 ms |
34752 KB |
Output is correct |
102 |
Correct |
199 ms |
33036 KB |
Output is correct |
103 |
Correct |
245 ms |
33732 KB |
Output is correct |
104 |
Correct |
260 ms |
34492 KB |
Output is correct |