Submission #419059

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
419059	2021-06-06T11:30:54 Z	codebuster_10	Bitaro’s Party (JOI18_bitaro)	C++17	100 / 100	1141 ms	64540 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	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	4 ms	5068 KB	Output is correct
4	Correct	4 ms	4940 KB	Output is correct
5	Correct	5 ms	5288 KB	Output is correct
6	Correct	6 ms	5420 KB	Output is correct
7	Correct	6 ms	5324 KB	Output is correct
8	Correct	6 ms	5536 KB	Output is correct
9	Correct	6 ms	5580 KB	Output is correct
10	Correct	6 ms	5580 KB	Output is correct
11	Correct	6 ms	5580 KB	Output is correct
12	Correct	5 ms	5452 KB	Output is correct
13	Correct	6 ms	5544 KB	Output is correct
14	Correct	6 ms	5288 KB	Output is correct
15	Correct	5 ms	5296 KB	Output is correct
16	Correct	8 ms	5300 KB	Output is correct
17	Correct	6 ms	5452 KB	Output is correct
18	Correct	7 ms	5440 KB	Output is correct
19	Correct	6 ms	5452 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	4 ms	5068 KB	Output is correct
4	Correct	4 ms	4940 KB	Output is correct
5	Correct	5 ms	5288 KB	Output is correct
6	Correct	6 ms	5420 KB	Output is correct
7	Correct	6 ms	5324 KB	Output is correct
8	Correct	6 ms	5536 KB	Output is correct
9	Correct	6 ms	5580 KB	Output is correct
10	Correct	6 ms	5580 KB	Output is correct
11	Correct	6 ms	5580 KB	Output is correct
12	Correct	5 ms	5452 KB	Output is correct
13	Correct	6 ms	5544 KB	Output is correct
14	Correct	6 ms	5288 KB	Output is correct
15	Correct	5 ms	5296 KB	Output is correct
16	Correct	8 ms	5300 KB	Output is correct
17	Correct	6 ms	5452 KB	Output is correct
18	Correct	7 ms	5440 KB	Output is correct
19	Correct	6 ms	5452 KB	Output is correct
20	Correct	91 ms	8132 KB	Output is correct
21	Correct	81 ms	8076 KB	Output is correct
22	Correct	77 ms	8132 KB	Output is correct
23	Correct	84 ms	8176 KB	Output is correct
24	Correct	346 ms	52072 KB	Output is correct
25	Correct	329 ms	52184 KB	Output is correct
26	Correct	330 ms	52196 KB	Output is correct
27	Correct	298 ms	63100 KB	Output is correct
28	Correct	307 ms	63076 KB	Output is correct
29	Correct	296 ms	63196 KB	Output is correct
30	Correct	284 ms	62904 KB	Output is correct
31	Correct	341 ms	62344 KB	Output is correct
32	Correct	291 ms	62820 KB	Output is correct
33	Correct	250 ms	44632 KB	Output is correct
34	Correct	289 ms	42460 KB	Output is correct
35	Correct	239 ms	44616 KB	Output is correct
36	Correct	270 ms	53676 KB	Output is correct
37	Correct	320 ms	51748 KB	Output is correct
38	Correct	268 ms	53492 KB	Output is correct

Subtask #3
86.0 / 86.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4940 KB	Output is correct
2	Correct	3 ms	4940 KB	Output is correct
3	Correct	4 ms	5068 KB	Output is correct
4	Correct	4 ms	4940 KB	Output is correct
5	Correct	5 ms	5288 KB	Output is correct
6	Correct	6 ms	5420 KB	Output is correct
7	Correct	6 ms	5324 KB	Output is correct
8	Correct	6 ms	5536 KB	Output is correct
9	Correct	6 ms	5580 KB	Output is correct
10	Correct	6 ms	5580 KB	Output is correct
11	Correct	6 ms	5580 KB	Output is correct
12	Correct	5 ms	5452 KB	Output is correct
13	Correct	6 ms	5544 KB	Output is correct
14	Correct	6 ms	5288 KB	Output is correct
15	Correct	5 ms	5296 KB	Output is correct
16	Correct	8 ms	5300 KB	Output is correct
17	Correct	6 ms	5452 KB	Output is correct
18	Correct	7 ms	5440 KB	Output is correct
19	Correct	6 ms	5452 KB	Output is correct
20	Correct	91 ms	8132 KB	Output is correct
21	Correct	81 ms	8076 KB	Output is correct
22	Correct	77 ms	8132 KB	Output is correct
23	Correct	84 ms	8176 KB	Output is correct
24	Correct	346 ms	52072 KB	Output is correct
25	Correct	329 ms	52184 KB	Output is correct
26	Correct	330 ms	52196 KB	Output is correct
27	Correct	298 ms	63100 KB	Output is correct
28	Correct	307 ms	63076 KB	Output is correct
29	Correct	296 ms	63196 KB	Output is correct
30	Correct	284 ms	62904 KB	Output is correct
31	Correct	341 ms	62344 KB	Output is correct
32	Correct	291 ms	62820 KB	Output is correct
33	Correct	250 ms	44632 KB	Output is correct
34	Correct	289 ms	42460 KB	Output is correct
35	Correct	239 ms	44616 KB	Output is correct
36	Correct	270 ms	53676 KB	Output is correct
37	Correct	320 ms	51748 KB	Output is correct
38	Correct	268 ms	53492 KB	Output is correct
39	Correct	391 ms	52876 KB	Output is correct
40	Correct	318 ms	52548 KB	Output is correct
41	Correct	1048 ms	52912 KB	Output is correct
42	Correct	393 ms	52884 KB	Output is correct
43	Correct	338 ms	52572 KB	Output is correct
44	Correct	145 ms	9428 KB	Output is correct
45	Correct	104 ms	8616 KB	Output is correct
46	Correct	224 ms	8560 KB	Output is correct
47	Correct	100 ms	8348 KB	Output is correct
48	Correct	82 ms	8132 KB	Output is correct
49	Correct	355 ms	63988 KB	Output is correct
50	Correct	984 ms	63232 KB	Output is correct
51	Correct	132 ms	9172 KB	Output is correct
52	Correct	212 ms	8412 KB	Output is correct
53	Correct	323 ms	54248 KB	Output is correct
54	Correct	347 ms	52436 KB	Output is correct
55	Correct	986 ms	53624 KB	Output is correct
56	Correct	1062 ms	52184 KB	Output is correct
57	Correct	124 ms	9284 KB	Output is correct
58	Correct	125 ms	9284 KB	Output is correct
59	Correct	221 ms	8424 KB	Output is correct
60	Correct	214 ms	8412 KB	Output is correct
61	Correct	350 ms	63244 KB	Output is correct
62	Correct	326 ms	53780 KB	Output is correct
63	Correct	363 ms	51808 KB	Output is correct
64	Correct	568 ms	63296 KB	Output is correct
65	Correct	444 ms	53544 KB	Output is correct
66	Correct	493 ms	52100 KB	Output is correct
67	Correct	595 ms	63272 KB	Output is correct
68	Correct	580 ms	53744 KB	Output is correct
69	Correct	629 ms	51780 KB	Output is correct
70	Correct	295 ms	63424 KB	Output is correct
71	Correct	265 ms	53712 KB	Output is correct
72	Correct	303 ms	52016 KB	Output is correct
73	Correct	333 ms	63384 KB	Output is correct
74	Correct	292 ms	53792 KB	Output is correct
75	Correct	331 ms	52016 KB	Output is correct
76	Correct	352 ms	64540 KB	Output is correct
77	Correct	795 ms	63588 KB	Output is correct
78	Correct	300 ms	63680 KB	Output is correct
79	Correct	128 ms	9400 KB	Output is correct
80	Correct	177 ms	8552 KB	Output is correct
81	Correct	81 ms	8088 KB	Output is correct
82	Correct	357 ms	64440 KB	Output is correct
83	Correct	384 ms	63556 KB	Output is correct
84	Correct	804 ms	63616 KB	Output is correct
85	Correct	803 ms	62900 KB	Output is correct
86	Correct	285 ms	63412 KB	Output is correct
87	Correct	330 ms	62928 KB	Output is correct
88	Correct	124 ms	9368 KB	Output is correct
89	Correct	142 ms	9564 KB	Output is correct
90	Correct	192 ms	8532 KB	Output is correct
91	Correct	183 ms	8540 KB	Output is correct
92	Correct	81 ms	8132 KB	Output is correct
93	Correct	83 ms	8112 KB	Output is correct
94	Correct	287 ms	46204 KB	Output is correct
95	Correct	337 ms	43200 KB	Output is correct
96	Correct	672 ms	45324 KB	Output is correct
97	Correct	728 ms	42924 KB	Output is correct
98	Correct	257 ms	45380 KB	Output is correct
99	Correct	286 ms	42660 KB	Output is correct
100	Correct	126 ms	9488 KB	Output is correct
101	Correct	125 ms	9556 KB	Output is correct
102	Correct	153 ms	8620 KB	Output is correct
103	Correct	163 ms	8612 KB	Output is correct
104	Correct	82 ms	8132 KB	Output is correct
105	Correct	82 ms	8136 KB	Output is correct
106	Correct	323 ms	54708 KB	Output is correct
107	Correct	380 ms	52976 KB	Output is correct
108	Correct	731 ms	54120 KB	Output is correct
109	Correct	792 ms	52160 KB	Output is correct
110	Correct	276 ms	54140 KB	Output is correct
111	Correct	304 ms	52232 KB	Output is correct
112	Correct	121 ms	9416 KB	Output is correct
113	Correct	126 ms	9496 KB	Output is correct
114	Correct	184 ms	8560 KB	Output is correct
115	Correct	192 ms	8528 KB	Output is correct
116	Correct	85 ms	8084 KB	Output is correct
117	Correct	82 ms	8068 KB	Output is correct
118	Correct	318 ms	62848 KB	Output is correct
119	Correct	267 ms	53312 KB	Output is correct
120	Correct	306 ms	51488 KB	Output is correct
121	Correct	360 ms	62880 KB	Output is correct
122	Correct	306 ms	53148 KB	Output is correct
123	Correct	334 ms	51352 KB	Output is correct
124	Correct	1141 ms	63240 KB	Output is correct
125	Correct	1071 ms	53808 KB	Output is correct
126	Correct	1056 ms	51824 KB	Output is correct

Submission #419059

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