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Submission #261747

# Submission time Handle Problem Language Result Execution time Memory
261747 2020-08-12T04:03:16 Z ttnhuy313 Bitaro’s Party (JOI18_bitaro) C++14
100 / 100
 1115 ms 64632 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int mxN=1e5, bs=60;
int n, m, q, dp2[mxN], c[mxN];
vector<int> adj[mxN];
vector<array<int, 2>> dp1[mxN];
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) {
		vector<int> w={i};
		for(int v : adj[i]) {
			for(array<int, 2> p : dp1[v]) {
				if(!c[p[1]])
					w.push_back(p[1]);
				c[p[1]]=max(p[0]+1, c[p[1]]);
			}
		}
		nth_element(w.begin(), w.begin()+min(bs, (int)w.size()), w.end(), [&](int a, int b) {
			return c[a]>c[b];
		});
		for(int j=0; j<min(bs, (int)w.size()); ++j)
			dp1[i].push_back({c[w[j]], w[j]});
		for(int wi : w)
			c[wi]=0;
	}
	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(array<int, 2> p : dp1[t])
				if(!a[p[1]])
					ans=max(p[0], ans);
		for(int i=0; i<y; ++i)
			a[c[i]]=0;
		cout << ans << "\n";
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 7 ms 5376 KB Output is correct
6 Correct 7 ms 5376 KB Output is correct
7 Correct 7 ms 5376 KB Output is correct
8 Correct 8 ms 5632 KB Output is correct
9 Correct 8 ms 5632 KB Output is correct
10 Correct 8 ms 5632 KB Output is correct
11 Correct 7 ms 5632 KB Output is correct
12 Correct 7 ms 5504 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 6 ms 5376 KB Output is correct
15 Correct 7 ms 5376 KB Output is correct
16 Correct 7 ms 5376 KB Output is correct
17 Correct 7 ms 5504 KB Output is correct
18 Correct 6 ms 5376 KB Output is correct
19 Correct 7 ms 5632 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 7 ms 5376 KB Output is correct
6 Correct 7 ms 5376 KB Output is correct
7 Correct 7 ms 5376 KB Output is correct
8 Correct 8 ms 5632 KB Output is correct
9 Correct 8 ms 5632 KB Output is correct
10 Correct 8 ms 5632 KB Output is correct
11 Correct 7 ms 5632 KB Output is correct
12 Correct 7 ms 5504 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 6 ms 5376 KB Output is correct
15 Correct 7 ms 5376 KB Output is correct
16 Correct 7 ms 5376 KB Output is correct
17 Correct 7 ms 5504 KB Output is correct
18 Correct 6 ms 5376 KB Output is correct
19 Correct 7 ms 5632 KB Output is correct
20 Correct 90 ms 8260 KB Output is correct
21 Correct 85 ms 8184 KB Output is correct
22 Correct 87 ms 8184 KB Output is correct
23 Correct 97 ms 8312 KB Output is correct
24 Correct 418 ms 52216 KB Output is correct
25 Correct 435 ms 52344 KB Output is correct
26 Correct 405 ms 52400 KB Output is correct
27 Correct 415 ms 63224 KB Output is correct
28 Correct 424 ms 63352 KB Output is correct
29 Correct 420 ms 63352 KB Output is correct
30 Correct 372 ms 62968 KB Output is correct
31 Correct 417 ms 62712 KB Output is correct
32 Correct 374 ms 62968 KB Output is correct
33 Correct 314 ms 44792 KB Output is correct
34 Correct 344 ms 42488 KB Output is correct
35 Correct 347 ms 44880 KB Output is correct
36 Correct 336 ms 53624 KB Output is correct
37 Correct 421 ms 51868 KB Output is correct
38 Correct 340 ms 53496 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 7 ms 5376 KB Output is correct
6 Correct 7 ms 5376 KB Output is correct
7 Correct 7 ms 5376 KB Output is correct
8 Correct 8 ms 5632 KB Output is correct
9 Correct 8 ms 5632 KB Output is correct
10 Correct 8 ms 5632 KB Output is correct
11 Correct 7 ms 5632 KB Output is correct
12 Correct 7 ms 5504 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 6 ms 5376 KB Output is correct
15 Correct 7 ms 5376 KB Output is correct
16 Correct 7 ms 5376 KB Output is correct
17 Correct 7 ms 5504 KB Output is correct
18 Correct 6 ms 5376 KB Output is correct
19 Correct 7 ms 5632 KB Output is correct
20 Correct 90 ms 8260 KB Output is correct
21 Correct 85 ms 8184 KB Output is correct
22 Correct 87 ms 8184 KB Output is correct
23 Correct 97 ms 8312 KB Output is correct
24 Correct 418 ms 52216 KB Output is correct
25 Correct 435 ms 52344 KB Output is correct
26 Correct 405 ms 52400 KB Output is correct
27 Correct 415 ms 63224 KB Output is correct
28 Correct 424 ms 63352 KB Output is correct
29 Correct 420 ms 63352 KB Output is correct
30 Correct 372 ms 62968 KB Output is correct
31 Correct 417 ms 62712 KB Output is correct
32 Correct 374 ms 62968 KB Output is correct
33 Correct 314 ms 44792 KB Output is correct
34 Correct 344 ms 42488 KB Output is correct
35 Correct 347 ms 44880 KB Output is correct
36 Correct 336 ms 53624 KB Output is correct
37 Correct 421 ms 51868 KB Output is correct
38 Correct 340 ms 53496 KB Output is correct
39 Correct 527 ms 53568 KB Output is correct
40 Correct 429 ms 52600 KB Output is correct
41 Correct 1115 ms 52984 KB Output is correct
42 Correct 501 ms 52984 KB Output is correct
43 Correct 414 ms 52600 KB Output is correct
44 Correct 137 ms 9464 KB Output is correct
45 Correct 104 ms 8788 KB Output is correct
46 Correct 220 ms 8568 KB Output is correct
47 Correct 106 ms 8312 KB Output is correct
48 Correct 91 ms 8184 KB Output is correct
49 Correct 473 ms 64248 KB Output is correct
50 Correct 1092 ms 63480 KB Output is correct
51 Correct 134 ms 9336 KB Output is correct
52 Correct 209 ms 8440 KB Output is correct
53 Correct 399 ms 54392 KB Output is correct
54 Correct 444 ms 52600 KB Output is correct
55 Correct 1026 ms 53628 KB Output is correct
56 Correct 1088 ms 52248 KB Output is correct
57 Correct 132 ms 9340 KB Output is correct
58 Correct 133 ms 9336 KB Output is correct
59 Correct 218 ms 8568 KB Output is correct
60 Correct 230 ms 8484 KB Output is correct
61 Correct 456 ms 63480 KB Output is correct
62 Correct 470 ms 54008 KB Output is correct
63 Correct 492 ms 52216 KB Output is correct
64 Correct 602 ms 63480 KB Output is correct
65 Correct 599 ms 53624 KB Output is correct
66 Correct 608 ms 52224 KB Output is correct
67 Correct 718 ms 63480 KB Output is correct
68 Correct 694 ms 53880 KB Output is correct
69 Correct 776 ms 51832 KB Output is correct
70 Correct 414 ms 63464 KB Output is correct
71 Correct 355 ms 53880 KB Output is correct
72 Correct 394 ms 52216 KB Output is correct
73 Correct 430 ms 63608 KB Output is correct
74 Correct 382 ms 53880 KB Output is correct
75 Correct 439 ms 52476 KB Output is correct
76 Correct 466 ms 64632 KB Output is correct
77 Correct 1008 ms 63656 KB Output is correct
78 Correct 410 ms 63736 KB Output is correct
79 Correct 138 ms 9464 KB Output is correct
80 Correct 174 ms 8568 KB Output is correct
81 Correct 86 ms 8184 KB Output is correct
82 Correct 435 ms 64632 KB Output is correct
83 Correct 495 ms 63692 KB Output is correct
84 Correct 835 ms 63736 KB Output is correct
85 Correct 913 ms 62968 KB Output is correct
86 Correct 385 ms 63736 KB Output is correct
87 Correct 440 ms 62968 KB Output is correct
88 Correct 133 ms 9464 KB Output is correct
89 Correct 136 ms 9464 KB Output is correct
90 Correct 179 ms 8568 KB Output is correct
91 Correct 182 ms 8496 KB Output is correct
92 Correct 95 ms 8316 KB Output is correct
93 Correct 90 ms 8184 KB Output is correct
94 Correct 380 ms 46456 KB Output is correct
95 Correct 439 ms 43384 KB Output is correct
96 Correct 776 ms 45560 KB Output is correct
97 Correct 941 ms 43128 KB Output is correct
98 Correct 325 ms 45560 KB Output is correct
99 Correct 357 ms 42872 KB Output is correct
100 Correct 146 ms 9652 KB Output is correct
101 Correct 135 ms 9592 KB Output is correct
102 Correct 158 ms 8628 KB Output is correct
103 Correct 155 ms 8696 KB Output is correct
104 Correct 91 ms 8184 KB Output is correct
105 Correct 102 ms 8312 KB Output is correct
106 Correct 404 ms 54804 KB Output is correct
107 Correct 474 ms 53136 KB Output is correct
108 Correct 828 ms 54136 KB Output is correct
109 Correct 885 ms 52216 KB Output is correct
110 Correct 353 ms 54264 KB Output is correct
111 Correct 410 ms 52512 KB Output is correct
112 Correct 133 ms 9592 KB Output is correct
113 Correct 134 ms 9524 KB Output is correct
114 Correct 179 ms 8568 KB Output is correct
115 Correct 181 ms 8568 KB Output is correct
116 Correct 92 ms 8184 KB Output is correct
117 Correct 91 ms 8184 KB Output is correct
118 Correct 404 ms 62936 KB Output is correct
119 Correct 371 ms 53368 KB Output is correct
120 Correct 419 ms 51704 KB Output is correct
121 Correct 389 ms 62992 KB Output is correct
122 Correct 343 ms 53368 KB Output is correct
123 Correct 386 ms 51448 KB Output is correct
124 Correct 512 ms 63428 KB Output is correct
125 Correct 467 ms 54032 KB Output is correct
126 Correct 523 ms 52044 KB Output is correct