#include <bits/stdc++.h>
using namespace std;
#define ar array
const int mxN=1e5, bs=20;
int n, m, q, dp2[mxN], c[mxN];
vector<int> adj[mxN];
vector<ar<int, 2>> dp1[mxN];
priority_queue<ar<int, 2>, vector<ar<int, 2>>, greater<ar<int, 2>>> pq;
bool a[mxN];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> n >> m >> q;
for(int i=0, u, v; i<m; ++i)
cin >> u >> v, --u, --v, adj[v].push_back(u);
for(int i=0; i<n; ++i) {
pq.push({0, i});
int nd=c[i]=1;
for(int v : adj[i]) {
for(ar<int, 2> p : dp1[v]) {
pq.push({p[0]+1, p[1]});
nd+=!c[p[1]]++;
while(nd>bs) {
if(!--c[pq.top()[1]])
--nd;
pq.pop();
}
}
}
while(!pq.empty()) {
if(!--c[pq.top()[1]])
dp1[i].push_back(pq.top());
pq.pop();
}
}
while(q--) {
int t, y, ans=-1;
cin >> t >> y, --t;
for(int i=0; i<y; ++i) {
cin >> c[i], --c[i];
a[c[i]]=1;
}
if(y>=bs) {
for(int i=0; i<=t; ++i) {
dp2[i]=a[i]?-n:0;
for(int v : adj[i])
dp2[i]=max(dp2[v]+1, dp2[i]);
}
ans=max(dp2[t], ans);
} else
for(ar<int, 2> p : dp1[t])
if(!a[p[1]])
ans=p[0];
for(int i=0; i<y; ++i)
a[c[i]]=0;
cout << ans << "\n";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
5120 KB |
Output is correct |
2 |
Correct |
8 ms |
5120 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
7 ms |
4992 KB |
Output is correct |
5 |
Correct |
11 ms |
5248 KB |
Output is correct |
6 |
Correct |
10 ms |
5376 KB |
Output is correct |
7 |
Correct |
11 ms |
5376 KB |
Output is correct |
8 |
Correct |
11 ms |
5376 KB |
Output is correct |
9 |
Correct |
9 ms |
5376 KB |
Output is correct |
10 |
Correct |
9 ms |
5356 KB |
Output is correct |
11 |
Correct |
14 ms |
5376 KB |
Output is correct |
12 |
Correct |
11 ms |
5376 KB |
Output is correct |
13 |
Correct |
11 ms |
5376 KB |
Output is correct |
14 |
Correct |
10 ms |
5336 KB |
Output is correct |
15 |
Correct |
9 ms |
5248 KB |
Output is correct |
16 |
Correct |
10 ms |
5248 KB |
Output is correct |
17 |
Correct |
11 ms |
5248 KB |
Output is correct |
18 |
Correct |
11 ms |
5260 KB |
Output is correct |
19 |
Correct |
10 ms |
5248 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
5120 KB |
Output is correct |
2 |
Correct |
8 ms |
5120 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
7 ms |
4992 KB |
Output is correct |
5 |
Correct |
11 ms |
5248 KB |
Output is correct |
6 |
Correct |
10 ms |
5376 KB |
Output is correct |
7 |
Correct |
11 ms |
5376 KB |
Output is correct |
8 |
Correct |
11 ms |
5376 KB |
Output is correct |
9 |
Correct |
9 ms |
5376 KB |
Output is correct |
10 |
Correct |
9 ms |
5356 KB |
Output is correct |
11 |
Correct |
14 ms |
5376 KB |
Output is correct |
12 |
Correct |
11 ms |
5376 KB |
Output is correct |
13 |
Correct |
11 ms |
5376 KB |
Output is correct |
14 |
Correct |
10 ms |
5336 KB |
Output is correct |
15 |
Correct |
9 ms |
5248 KB |
Output is correct |
16 |
Correct |
10 ms |
5248 KB |
Output is correct |
17 |
Correct |
11 ms |
5248 KB |
Output is correct |
18 |
Correct |
11 ms |
5260 KB |
Output is correct |
19 |
Correct |
10 ms |
5248 KB |
Output is correct |
20 |
Correct |
523 ms |
6924 KB |
Output is correct |
21 |
Correct |
507 ms |
7032 KB |
Output is correct |
22 |
Correct |
505 ms |
6752 KB |
Output is correct |
23 |
Correct |
583 ms |
6948 KB |
Output is correct |
24 |
Correct |
455 ms |
30832 KB |
Output is correct |
25 |
Correct |
463 ms |
30712 KB |
Output is correct |
26 |
Correct |
506 ms |
30828 KB |
Output is correct |
27 |
Correct |
388 ms |
35992 KB |
Output is correct |
28 |
Correct |
441 ms |
35832 KB |
Output is correct |
29 |
Correct |
359 ms |
35956 KB |
Output is correct |
30 |
Correct |
376 ms |
35824 KB |
Output is correct |
31 |
Correct |
451 ms |
35832 KB |
Output is correct |
32 |
Correct |
397 ms |
35836 KB |
Output is correct |
33 |
Correct |
334 ms |
27256 KB |
Output is correct |
34 |
Correct |
349 ms |
26616 KB |
Output is correct |
35 |
Correct |
338 ms |
27244 KB |
Output is correct |
36 |
Correct |
369 ms |
31252 KB |
Output is correct |
37 |
Correct |
424 ms |
30584 KB |
Output is correct |
38 |
Correct |
376 ms |
31096 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
5120 KB |
Output is correct |
2 |
Correct |
8 ms |
5120 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
7 ms |
4992 KB |
Output is correct |
5 |
Correct |
11 ms |
5248 KB |
Output is correct |
6 |
Correct |
10 ms |
5376 KB |
Output is correct |
7 |
Correct |
11 ms |
5376 KB |
Output is correct |
8 |
Correct |
11 ms |
5376 KB |
Output is correct |
9 |
Correct |
9 ms |
5376 KB |
Output is correct |
10 |
Correct |
9 ms |
5356 KB |
Output is correct |
11 |
Correct |
14 ms |
5376 KB |
Output is correct |
12 |
Correct |
11 ms |
5376 KB |
Output is correct |
13 |
Correct |
11 ms |
5376 KB |
Output is correct |
14 |
Correct |
10 ms |
5336 KB |
Output is correct |
15 |
Correct |
9 ms |
5248 KB |
Output is correct |
16 |
Correct |
10 ms |
5248 KB |
Output is correct |
17 |
Correct |
11 ms |
5248 KB |
Output is correct |
18 |
Correct |
11 ms |
5260 KB |
Output is correct |
19 |
Correct |
10 ms |
5248 KB |
Output is correct |
20 |
Correct |
523 ms |
6924 KB |
Output is correct |
21 |
Correct |
507 ms |
7032 KB |
Output is correct |
22 |
Correct |
505 ms |
6752 KB |
Output is correct |
23 |
Correct |
583 ms |
6948 KB |
Output is correct |
24 |
Correct |
455 ms |
30832 KB |
Output is correct |
25 |
Correct |
463 ms |
30712 KB |
Output is correct |
26 |
Correct |
506 ms |
30828 KB |
Output is correct |
27 |
Correct |
388 ms |
35992 KB |
Output is correct |
28 |
Correct |
441 ms |
35832 KB |
Output is correct |
29 |
Correct |
359 ms |
35956 KB |
Output is correct |
30 |
Correct |
376 ms |
35824 KB |
Output is correct |
31 |
Correct |
451 ms |
35832 KB |
Output is correct |
32 |
Correct |
397 ms |
35836 KB |
Output is correct |
33 |
Correct |
334 ms |
27256 KB |
Output is correct |
34 |
Correct |
349 ms |
26616 KB |
Output is correct |
35 |
Correct |
338 ms |
27244 KB |
Output is correct |
36 |
Correct |
369 ms |
31252 KB |
Output is correct |
37 |
Correct |
424 ms |
30584 KB |
Output is correct |
38 |
Correct |
376 ms |
31096 KB |
Output is correct |
39 |
Correct |
553 ms |
30816 KB |
Output is correct |
40 |
Correct |
544 ms |
30840 KB |
Output is correct |
41 |
Correct |
1670 ms |
30968 KB |
Output is correct |
42 |
Correct |
568 ms |
30976 KB |
Output is correct |
43 |
Correct |
522 ms |
30968 KB |
Output is correct |
44 |
Correct |
576 ms |
7192 KB |
Output is correct |
45 |
Correct |
526 ms |
6980 KB |
Output is correct |
46 |
Correct |
622 ms |
6848 KB |
Output is correct |
47 |
Correct |
558 ms |
6908 KB |
Output is correct |
48 |
Correct |
528 ms |
7032 KB |
Output is correct |
49 |
Correct |
437 ms |
36232 KB |
Output is correct |
50 |
Correct |
1510 ms |
36068 KB |
Output is correct |
51 |
Correct |
588 ms |
7408 KB |
Output is correct |
52 |
Correct |
655 ms |
7032 KB |
Output is correct |
53 |
Correct |
422 ms |
31224 KB |
Output is correct |
54 |
Correct |
461 ms |
30636 KB |
Output is correct |
55 |
Correct |
1197 ms |
31480 KB |
Output is correct |
56 |
Correct |
1270 ms |
30956 KB |
Output is correct |
57 |
Correct |
580 ms |
7288 KB |
Output is correct |
58 |
Correct |
570 ms |
7452 KB |
Output is correct |
59 |
Correct |
666 ms |
6908 KB |
Output is correct |
60 |
Correct |
621 ms |
7032 KB |
Output is correct |
61 |
Correct |
405 ms |
35960 KB |
Output is correct |
62 |
Correct |
481 ms |
31352 KB |
Output is correct |
63 |
Correct |
525 ms |
30672 KB |
Output is correct |
64 |
Correct |
743 ms |
36244 KB |
Output is correct |
65 |
Correct |
584 ms |
31292 KB |
Output is correct |
66 |
Correct |
603 ms |
30840 KB |
Output is correct |
67 |
Correct |
672 ms |
36216 KB |
Output is correct |
68 |
Correct |
693 ms |
31480 KB |
Output is correct |
69 |
Correct |
784 ms |
30780 KB |
Output is correct |
70 |
Correct |
357 ms |
36088 KB |
Output is correct |
71 |
Correct |
327 ms |
31284 KB |
Output is correct |
72 |
Correct |
403 ms |
30716 KB |
Output is correct |
73 |
Correct |
439 ms |
36140 KB |
Output is correct |
74 |
Correct |
382 ms |
31340 KB |
Output is correct |
75 |
Correct |
408 ms |
30712 KB |
Output is correct |
76 |
Correct |
455 ms |
36600 KB |
Output is correct |
77 |
Correct |
1303 ms |
36216 KB |
Output is correct |
78 |
Correct |
431 ms |
36268 KB |
Output is correct |
79 |
Correct |
581 ms |
7288 KB |
Output is correct |
80 |
Correct |
576 ms |
6904 KB |
Output is correct |
81 |
Correct |
509 ms |
6776 KB |
Output is correct |
82 |
Correct |
402 ms |
36336 KB |
Output is correct |
83 |
Correct |
473 ms |
35856 KB |
Output is correct |
84 |
Correct |
823 ms |
36272 KB |
Output is correct |
85 |
Correct |
1147 ms |
36212 KB |
Output is correct |
86 |
Correct |
379 ms |
36088 KB |
Output is correct |
87 |
Correct |
427 ms |
35872 KB |
Output is correct |
88 |
Correct |
582 ms |
7292 KB |
Output is correct |
89 |
Correct |
530 ms |
7160 KB |
Output is correct |
90 |
Correct |
587 ms |
6904 KB |
Output is correct |
91 |
Correct |
611 ms |
6868 KB |
Output is correct |
92 |
Correct |
551 ms |
7032 KB |
Output is correct |
93 |
Correct |
554 ms |
6872 KB |
Output is correct |
94 |
Correct |
433 ms |
27868 KB |
Output is correct |
95 |
Correct |
436 ms |
26656 KB |
Output is correct |
96 |
Correct |
839 ms |
27640 KB |
Output is correct |
97 |
Correct |
1020 ms |
27052 KB |
Output is correct |
98 |
Correct |
323 ms |
27640 KB |
Output is correct |
99 |
Correct |
350 ms |
26884 KB |
Output is correct |
100 |
Correct |
548 ms |
7260 KB |
Output is correct |
101 |
Correct |
601 ms |
7372 KB |
Output is correct |
102 |
Correct |
670 ms |
7032 KB |
Output is correct |
103 |
Correct |
713 ms |
7160 KB |
Output is correct |
104 |
Correct |
581 ms |
7104 KB |
Output is correct |
105 |
Correct |
578 ms |
7032 KB |
Output is correct |
106 |
Correct |
389 ms |
31324 KB |
Output is correct |
107 |
Correct |
462 ms |
30808 KB |
Output is correct |
108 |
Correct |
921 ms |
31608 KB |
Output is correct |
109 |
Correct |
1298 ms |
30840 KB |
Output is correct |
110 |
Correct |
396 ms |
31352 KB |
Output is correct |
111 |
Correct |
421 ms |
30660 KB |
Output is correct |
112 |
Correct |
558 ms |
7132 KB |
Output is correct |
113 |
Correct |
585 ms |
7416 KB |
Output is correct |
114 |
Correct |
660 ms |
6904 KB |
Output is correct |
115 |
Correct |
629 ms |
6904 KB |
Output is correct |
116 |
Correct |
609 ms |
6748 KB |
Output is correct |
117 |
Correct |
571 ms |
6952 KB |
Output is correct |
118 |
Execution timed out |
2055 ms |
36116 KB |
Time limit exceeded |
119 |
Halted |
0 ms |
0 KB |
- |