Submission #100596

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
100596	2019-03-12T15:14:35 Z	tmwilliamlin168	Bitaro’s Party (JOI18_bitaro)	C++14	100 / 100	1327 ms	61236 KB

bitaro

#include <bits/stdc++.h>
using namespace std;
 
const int mxN=1e5, bs=50;
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	6 ms	5120 KB	Output is correct
2	Correct	7 ms	5120 KB	Output is correct
3	Correct	7 ms	4992 KB	Output is correct
4	Correct	6 ms	5120 KB	Output is correct
5	Correct	9 ms	5376 KB	Output is correct
6	Correct	8 ms	5504 KB	Output is correct
7	Correct	8 ms	5420 KB	Output is correct
8	Correct	9 ms	5632 KB	Output is correct
9	Correct	9 ms	5632 KB	Output is correct
10	Correct	9 ms	5632 KB	Output is correct
11	Correct	10 ms	5504 KB	Output is correct
12	Correct	10 ms	5504 KB	Output is correct
13	Correct	9 ms	5512 KB	Output is correct
14	Correct	9 ms	5376 KB	Output is correct
15	Correct	9 ms	5376 KB	Output is correct
16	Correct	8 ms	5376 KB	Output is correct
17	Correct	9 ms	5504 KB	Output is correct
18	Correct	8 ms	5376 KB	Output is correct
19	Correct	9 ms	5504 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5120 KB	Output is correct
2	Correct	7 ms	5120 KB	Output is correct
3	Correct	7 ms	4992 KB	Output is correct
4	Correct	6 ms	5120 KB	Output is correct
5	Correct	9 ms	5376 KB	Output is correct
6	Correct	8 ms	5504 KB	Output is correct
7	Correct	8 ms	5420 KB	Output is correct
8	Correct	9 ms	5632 KB	Output is correct
9	Correct	9 ms	5632 KB	Output is correct
10	Correct	9 ms	5632 KB	Output is correct
11	Correct	10 ms	5504 KB	Output is correct
12	Correct	10 ms	5504 KB	Output is correct
13	Correct	9 ms	5512 KB	Output is correct
14	Correct	9 ms	5376 KB	Output is correct
15	Correct	9 ms	5376 KB	Output is correct
16	Correct	8 ms	5376 KB	Output is correct
17	Correct	9 ms	5504 KB	Output is correct
18	Correct	8 ms	5376 KB	Output is correct
19	Correct	9 ms	5504 KB	Output is correct
20	Correct	59 ms	6648 KB	Output is correct
21	Correct	96 ms	6664 KB	Output is correct
22	Correct	62 ms	6776 KB	Output is correct
23	Correct	75 ms	6648 KB	Output is correct
24	Correct	434 ms	49860 KB	Output is correct
25	Correct	428 ms	49784 KB	Output is correct
26	Correct	424 ms	49828 KB	Output is correct
27	Correct	419 ms	60536 KB	Output is correct
28	Correct	436 ms	60604 KB	Output is correct
29	Correct	415 ms	60764 KB	Output is correct
30	Correct	365 ms	60408 KB	Output is correct
31	Correct	406 ms	60024 KB	Output is correct
32	Correct	386 ms	60536 KB	Output is correct
33	Correct	293 ms	42200 KB	Output is correct
34	Correct	338 ms	39996 KB	Output is correct
35	Correct	345 ms	42232 KB	Output is correct
36	Correct	349 ms	51196 KB	Output is correct
37	Correct	360 ms	49144 KB	Output is correct
38	Correct	360 ms	50936 KB	Output is correct

Subtask #3
86.0 / 86.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5120 KB	Output is correct
2	Correct	7 ms	5120 KB	Output is correct
3	Correct	7 ms	4992 KB	Output is correct
4	Correct	6 ms	5120 KB	Output is correct
5	Correct	9 ms	5376 KB	Output is correct
6	Correct	8 ms	5504 KB	Output is correct
7	Correct	8 ms	5420 KB	Output is correct
8	Correct	9 ms	5632 KB	Output is correct
9	Correct	9 ms	5632 KB	Output is correct
10	Correct	9 ms	5632 KB	Output is correct
11	Correct	10 ms	5504 KB	Output is correct
12	Correct	10 ms	5504 KB	Output is correct
13	Correct	9 ms	5512 KB	Output is correct
14	Correct	9 ms	5376 KB	Output is correct
15	Correct	9 ms	5376 KB	Output is correct
16	Correct	8 ms	5376 KB	Output is correct
17	Correct	9 ms	5504 KB	Output is correct
18	Correct	8 ms	5376 KB	Output is correct
19	Correct	9 ms	5504 KB	Output is correct
20	Correct	59 ms	6648 KB	Output is correct
21	Correct	96 ms	6664 KB	Output is correct
22	Correct	62 ms	6776 KB	Output is correct
23	Correct	75 ms	6648 KB	Output is correct
24	Correct	434 ms	49860 KB	Output is correct
25	Correct	428 ms	49784 KB	Output is correct
26	Correct	424 ms	49828 KB	Output is correct
27	Correct	419 ms	60536 KB	Output is correct
28	Correct	436 ms	60604 KB	Output is correct
29	Correct	415 ms	60764 KB	Output is correct
30	Correct	365 ms	60408 KB	Output is correct
31	Correct	406 ms	60024 KB	Output is correct
32	Correct	386 ms	60536 KB	Output is correct
33	Correct	293 ms	42200 KB	Output is correct
34	Correct	338 ms	39996 KB	Output is correct
35	Correct	345 ms	42232 KB	Output is correct
36	Correct	349 ms	51196 KB	Output is correct
37	Correct	360 ms	49144 KB	Output is correct
38	Correct	360 ms	50936 KB	Output is correct
39	Correct	498 ms	49784 KB	Output is correct
40	Correct	451 ms	49604 KB	Output is correct
41	Correct	1113 ms	50296 KB	Output is correct
42	Correct	458 ms	50168 KB	Output is correct
43	Correct	437 ms	49856 KB	Output is correct
44	Correct	117 ms	7032 KB	Output is correct
45	Correct	75 ms	6648 KB	Output is correct
46	Correct	180 ms	6724 KB	Output is correct
47	Correct	91 ms	6648 KB	Output is correct
48	Correct	59 ms	6652 KB	Output is correct
49	Correct	422 ms	61000 KB	Output is correct
50	Correct	922 ms	60868 KB	Output is correct
51	Correct	122 ms	7032 KB	Output is correct
52	Correct	201 ms	6648 KB	Output is correct
53	Correct	395 ms	51124 KB	Output is correct
54	Correct	451 ms	49580 KB	Output is correct
55	Correct	1031 ms	51108 KB	Output is correct
56	Correct	1053 ms	49784 KB	Output is correct
57	Correct	96 ms	7152 KB	Output is correct
58	Correct	98 ms	7032 KB	Output is correct
59	Correct	187 ms	6648 KB	Output is correct
60	Correct	231 ms	6648 KB	Output is correct
61	Correct	468 ms	60792 KB	Output is correct
62	Correct	469 ms	51236 KB	Output is correct
63	Correct	544 ms	49400 KB	Output is correct
64	Correct	855 ms	60764 KB	Output is correct
65	Correct	791 ms	51196 KB	Output is correct
66	Correct	955 ms	49528 KB	Output is correct
67	Correct	777 ms	60792 KB	Output is correct
68	Correct	958 ms	51192 KB	Output is correct
69	Correct	911 ms	49272 KB	Output is correct
70	Correct	484 ms	60672 KB	Output is correct
71	Correct	354 ms	51064 KB	Output is correct
72	Correct	460 ms	49400 KB	Output is correct
73	Correct	432 ms	60808 KB	Output is correct
74	Correct	421 ms	51124 KB	Output is correct
75	Correct	497 ms	49500 KB	Output is correct
76	Correct	465 ms	61236 KB	Output is correct
77	Correct	1120 ms	60920 KB	Output is correct
78	Correct	474 ms	60828 KB	Output is correct
79	Correct	110 ms	7032 KB	Output is correct
80	Correct	166 ms	6744 KB	Output is correct
81	Correct	80 ms	6648 KB	Output is correct
82	Correct	478 ms	60900 KB	Output is correct
83	Correct	507 ms	60152 KB	Output is correct
84	Correct	1183 ms	60920 KB	Output is correct
85	Correct	1022 ms	60152 KB	Output is correct
86	Correct	424 ms	60708 KB	Output is correct
87	Correct	486 ms	60096 KB	Output is correct
88	Correct	122 ms	7112 KB	Output is correct
89	Correct	113 ms	7032 KB	Output is correct
90	Correct	164 ms	6904 KB	Output is correct
91	Correct	169 ms	6824 KB	Output is correct
92	Correct	71 ms	6648 KB	Output is correct
93	Correct	74 ms	6644 KB	Output is correct
94	Correct	397 ms	42616 KB	Output is correct
95	Correct	489 ms	39764 KB	Output is correct
96	Correct	890 ms	42700 KB	Output is correct
97	Correct	1049 ms	40292 KB	Output is correct
98	Correct	370 ms	42828 KB	Output is correct
99	Correct	308 ms	39928 KB	Output is correct
100	Correct	119 ms	7160 KB	Output is correct
101	Correct	154 ms	7132 KB	Output is correct
102	Correct	121 ms	6652 KB	Output is correct
103	Correct	123 ms	6648 KB	Output is correct
104	Correct	67 ms	6648 KB	Output is correct
105	Correct	70 ms	6748 KB	Output is correct
106	Correct	404 ms	51196 KB	Output is correct
107	Correct	444 ms	49528 KB	Output is correct
108	Correct	1031 ms	51460 KB	Output is correct
109	Correct	905 ms	49528 KB	Output is correct
110	Correct	383 ms	51432 KB	Output is correct
111	Correct	395 ms	49508 KB	Output is correct
112	Correct	136 ms	7160 KB	Output is correct
113	Correct	101 ms	7060 KB	Output is correct
114	Correct	178 ms	6820 KB	Output is correct
115	Correct	162 ms	6648 KB	Output is correct
116	Correct	83 ms	6776 KB	Output is correct
117	Correct	63 ms	6648 KB	Output is correct
118	Correct	384 ms	60408 KB	Output is correct
119	Correct	362 ms	50836 KB	Output is correct
120	Correct	415 ms	49172 KB	Output is correct
121	Correct	438 ms	60400 KB	Output is correct
122	Correct	372 ms	50744 KB	Output is correct
123	Correct	374 ms	48880 KB	Output is correct
124	Correct	1039 ms	60840 KB	Output is correct
125	Correct	978 ms	51580 KB	Output is correct
126	Correct	1327 ms	49496 KB	Output is correct

Submission #100596

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 7.0 / 7.0

Subtask #3 86.0 / 86.0

Subtask #1
7.0 / 7.0

Subtask #2
7.0 / 7.0

Subtask #3
86.0 / 86.0