#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define st first
#define nd second
#define pii pair<int, int>
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
const int MAXN = 200009;
int tab[MAXN];
vector<int> G[MAXN];
bool ans[MAXN];
map<int, vector<int>> M;
map<int, vector<pii>> edges;
int dependency[MAXN];
int p[MAXN];
int sum[MAXN];
multiset<pii> S[MAXN];
vector<int> cost;
int Find(int x) {
return p[x]==x?x:p[x]=Find(p[x]);
}
void Union(int x, int y) {
int X = Find(x);
int Y = Find(y);
if(X==Y) return;
if(sz(S[X])<sz(S[Y])) swap(X, Y);
p[Y] = X;
sum[X] += sum[Y];
sum[X] = min(sum[X], 1000000009);
for(pii val:S[Y]) {
S[X].insert(val);
}
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, m;
cin >> n >> m;
int Max = 0;
for(int i=1;i<=n;i++) {
cin >> tab[i];
M[tab[i]].pb(i);
Max = max(Max, tab[i]);
}
for(int i=0;i<m;i++) {
int a, b;
cin >> a >> b;
G[a].pb(b);
G[b].pb(a);
edges[max(tab[a], tab[b])].pb({a, b});
}
for(int i=1;i<=n;i++) {
p[i] = i;
sum[i] = tab[i];
for(int x:G[i]) {
if(tab[x]>tab[i]) {
S[i].insert({tab[x], x});
}
}
}
for(auto &x:M) {
for(pii y:edges[x.st]) {
Union(y.st, y.nd);
}
for(int y:x.nd) {
int Y = Find(y);
auto it = S[Y].upper_bound({sum[Y], 1e9});
if(it!=S[Y].begin()) {
it--;
dependency[y] = it->nd;
}
}
}
for(int x:M[Max]) {
ans[x] = true;
}
M.erase(Max);
for(auto it = M.rbegin();it!=M.rend();it++) {
for(int y:(*it).nd) {
if(ans[dependency[y]]) {
ans[y] = true;
}
}
}
for(int i=1;i<=n;i++) {
cout << ans[i];
}
cout << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14428 KB |
Output is correct |
2 |
Correct |
8 ms |
14420 KB |
Output is correct |
3 |
Correct |
7 ms |
14420 KB |
Output is correct |
4 |
Correct |
11 ms |
15192 KB |
Output is correct |
5 |
Correct |
13 ms |
15212 KB |
Output is correct |
6 |
Correct |
10 ms |
14572 KB |
Output is correct |
7 |
Correct |
12 ms |
15060 KB |
Output is correct |
8 |
Correct |
11 ms |
15060 KB |
Output is correct |
9 |
Correct |
12 ms |
14592 KB |
Output is correct |
10 |
Correct |
26 ms |
15240 KB |
Output is correct |
11 |
Correct |
12 ms |
15336 KB |
Output is correct |
12 |
Correct |
11 ms |
15444 KB |
Output is correct |
13 |
Correct |
9 ms |
14500 KB |
Output is correct |
14 |
Correct |
13 ms |
14796 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
14420 KB |
Output is correct |
2 |
Correct |
10 ms |
14420 KB |
Output is correct |
3 |
Correct |
540 ms |
90320 KB |
Output is correct |
4 |
Correct |
212 ms |
26068 KB |
Output is correct |
5 |
Correct |
746 ms |
113620 KB |
Output is correct |
6 |
Correct |
735 ms |
108844 KB |
Output is correct |
7 |
Correct |
866 ms |
118176 KB |
Output is correct |
8 |
Correct |
159 ms |
26976 KB |
Output is correct |
9 |
Correct |
756 ms |
141344 KB |
Output is correct |
10 |
Correct |
300 ms |
73212 KB |
Output is correct |
11 |
Correct |
133 ms |
27888 KB |
Output is correct |
12 |
Correct |
177 ms |
30352 KB |
Output is correct |
13 |
Correct |
135 ms |
25728 KB |
Output is correct |
14 |
Correct |
161 ms |
26024 KB |
Output is correct |
15 |
Correct |
544 ms |
87020 KB |
Output is correct |
16 |
Correct |
306 ms |
86308 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14432 KB |
Output is correct |
2 |
Correct |
966 ms |
130592 KB |
Output is correct |
3 |
Correct |
867 ms |
121028 KB |
Output is correct |
4 |
Correct |
200 ms |
26536 KB |
Output is correct |
5 |
Correct |
159 ms |
26016 KB |
Output is correct |
6 |
Correct |
939 ms |
129892 KB |
Output is correct |
7 |
Correct |
534 ms |
87360 KB |
Output is correct |
8 |
Correct |
532 ms |
87300 KB |
Output is correct |
9 |
Correct |
361 ms |
86560 KB |
Output is correct |
10 |
Correct |
482 ms |
109084 KB |
Output is correct |
11 |
Correct |
449 ms |
79744 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14332 KB |
Output is correct |
2 |
Correct |
506 ms |
60268 KB |
Output is correct |
3 |
Correct |
468 ms |
64388 KB |
Output is correct |
4 |
Correct |
597 ms |
71848 KB |
Output is correct |
5 |
Correct |
183 ms |
26572 KB |
Output is correct |
6 |
Correct |
163 ms |
25316 KB |
Output is correct |
7 |
Correct |
145 ms |
27452 KB |
Output is correct |
8 |
Correct |
121 ms |
35504 KB |
Output is correct |
9 |
Correct |
256 ms |
47720 KB |
Output is correct |
10 |
Correct |
143 ms |
25688 KB |
Output is correct |
11 |
Correct |
378 ms |
78060 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
14428 KB |
Output is correct |
2 |
Correct |
8 ms |
14420 KB |
Output is correct |
3 |
Correct |
7 ms |
14420 KB |
Output is correct |
4 |
Correct |
11 ms |
15192 KB |
Output is correct |
5 |
Correct |
13 ms |
15212 KB |
Output is correct |
6 |
Correct |
10 ms |
14572 KB |
Output is correct |
7 |
Correct |
12 ms |
15060 KB |
Output is correct |
8 |
Correct |
11 ms |
15060 KB |
Output is correct |
9 |
Correct |
12 ms |
14592 KB |
Output is correct |
10 |
Correct |
26 ms |
15240 KB |
Output is correct |
11 |
Correct |
12 ms |
15336 KB |
Output is correct |
12 |
Correct |
11 ms |
15444 KB |
Output is correct |
13 |
Correct |
9 ms |
14500 KB |
Output is correct |
14 |
Correct |
13 ms |
14796 KB |
Output is correct |
15 |
Correct |
7 ms |
14420 KB |
Output is correct |
16 |
Correct |
10 ms |
14420 KB |
Output is correct |
17 |
Correct |
540 ms |
90320 KB |
Output is correct |
18 |
Correct |
212 ms |
26068 KB |
Output is correct |
19 |
Correct |
746 ms |
113620 KB |
Output is correct |
20 |
Correct |
735 ms |
108844 KB |
Output is correct |
21 |
Correct |
866 ms |
118176 KB |
Output is correct |
22 |
Correct |
159 ms |
26976 KB |
Output is correct |
23 |
Correct |
756 ms |
141344 KB |
Output is correct |
24 |
Correct |
300 ms |
73212 KB |
Output is correct |
25 |
Correct |
133 ms |
27888 KB |
Output is correct |
26 |
Correct |
177 ms |
30352 KB |
Output is correct |
27 |
Correct |
135 ms |
25728 KB |
Output is correct |
28 |
Correct |
161 ms |
26024 KB |
Output is correct |
29 |
Correct |
544 ms |
87020 KB |
Output is correct |
30 |
Correct |
306 ms |
86308 KB |
Output is correct |
31 |
Correct |
9 ms |
14432 KB |
Output is correct |
32 |
Correct |
966 ms |
130592 KB |
Output is correct |
33 |
Correct |
867 ms |
121028 KB |
Output is correct |
34 |
Correct |
200 ms |
26536 KB |
Output is correct |
35 |
Correct |
159 ms |
26016 KB |
Output is correct |
36 |
Correct |
939 ms |
129892 KB |
Output is correct |
37 |
Correct |
534 ms |
87360 KB |
Output is correct |
38 |
Correct |
532 ms |
87300 KB |
Output is correct |
39 |
Correct |
361 ms |
86560 KB |
Output is correct |
40 |
Correct |
482 ms |
109084 KB |
Output is correct |
41 |
Correct |
449 ms |
79744 KB |
Output is correct |
42 |
Correct |
9 ms |
14332 KB |
Output is correct |
43 |
Correct |
506 ms |
60268 KB |
Output is correct |
44 |
Correct |
468 ms |
64388 KB |
Output is correct |
45 |
Correct |
597 ms |
71848 KB |
Output is correct |
46 |
Correct |
183 ms |
26572 KB |
Output is correct |
47 |
Correct |
163 ms |
25316 KB |
Output is correct |
48 |
Correct |
145 ms |
27452 KB |
Output is correct |
49 |
Correct |
121 ms |
35504 KB |
Output is correct |
50 |
Correct |
256 ms |
47720 KB |
Output is correct |
51 |
Correct |
143 ms |
25688 KB |
Output is correct |
52 |
Correct |
378 ms |
78060 KB |
Output is correct |
53 |
Correct |
8 ms |
14420 KB |
Output is correct |
54 |
Correct |
8 ms |
14420 KB |
Output is correct |
55 |
Correct |
9 ms |
14364 KB |
Output is correct |
56 |
Correct |
11 ms |
15084 KB |
Output is correct |
57 |
Correct |
11 ms |
15208 KB |
Output is correct |
58 |
Correct |
9 ms |
14492 KB |
Output is correct |
59 |
Correct |
11 ms |
15060 KB |
Output is correct |
60 |
Correct |
10 ms |
15044 KB |
Output is correct |
61 |
Correct |
9 ms |
14676 KB |
Output is correct |
62 |
Correct |
12 ms |
15316 KB |
Output is correct |
63 |
Correct |
11 ms |
15340 KB |
Output is correct |
64 |
Correct |
13 ms |
15332 KB |
Output is correct |
65 |
Correct |
9 ms |
14548 KB |
Output is correct |
66 |
Correct |
10 ms |
14764 KB |
Output is correct |
67 |
Correct |
562 ms |
90468 KB |
Output is correct |
68 |
Correct |
158 ms |
26208 KB |
Output is correct |
69 |
Correct |
752 ms |
113988 KB |
Output is correct |
70 |
Correct |
634 ms |
109032 KB |
Output is correct |
71 |
Correct |
706 ms |
118416 KB |
Output is correct |
72 |
Correct |
151 ms |
27072 KB |
Output is correct |
73 |
Correct |
626 ms |
141420 KB |
Output is correct |
74 |
Correct |
266 ms |
73356 KB |
Output is correct |
75 |
Correct |
128 ms |
27936 KB |
Output is correct |
76 |
Correct |
158 ms |
30464 KB |
Output is correct |
77 |
Correct |
146 ms |
25844 KB |
Output is correct |
78 |
Correct |
133 ms |
26004 KB |
Output is correct |
79 |
Correct |
501 ms |
87140 KB |
Output is correct |
80 |
Correct |
297 ms |
86428 KB |
Output is correct |
81 |
Correct |
871 ms |
130644 KB |
Output is correct |
82 |
Correct |
788 ms |
125224 KB |
Output is correct |
83 |
Correct |
172 ms |
30696 KB |
Output is correct |
84 |
Correct |
134 ms |
28496 KB |
Output is correct |
85 |
Correct |
971 ms |
133864 KB |
Output is correct |
86 |
Correct |
567 ms |
91208 KB |
Output is correct |
87 |
Correct |
507 ms |
91164 KB |
Output is correct |
88 |
Correct |
466 ms |
112360 KB |
Output is correct |
89 |
Correct |
421 ms |
82212 KB |
Output is correct |
90 |
Correct |
445 ms |
64256 KB |
Output is correct |
91 |
Correct |
434 ms |
68548 KB |
Output is correct |
92 |
Correct |
445 ms |
76152 KB |
Output is correct |
93 |
Correct |
210 ms |
30848 KB |
Output is correct |
94 |
Correct |
161 ms |
29336 KB |
Output is correct |
95 |
Correct |
129 ms |
31724 KB |
Output is correct |
96 |
Correct |
121 ms |
38696 KB |
Output is correct |
97 |
Correct |
263 ms |
50252 KB |
Output is correct |
98 |
Correct |
149 ms |
28556 KB |
Output is correct |
99 |
Correct |
413 ms |
81008 KB |
Output is correct |
100 |
Correct |
190 ms |
40340 KB |
Output is correct |
101 |
Correct |
976 ms |
107688 KB |
Output is correct |
102 |
Correct |
200 ms |
28160 KB |
Output is correct |
103 |
Correct |
699 ms |
82288 KB |
Output is correct |
104 |
Correct |
820 ms |
103696 KB |
Output is correct |