Submission #283460

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
283460	2020-08-25T19:18:11 Z	dolphingarlic	Cubeword (CEOI19_cubeword)	C++14	100 / 100	402 ms	18084 KB

cubeword

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;

const ll MOD = 998244353;

inline int id(char c) {
	if (c >= 'a' && c <= 'z') return c - 'a';
	if (c >= 'A' && c <= 'Z') return c - 'A' + 26;
	return c - '0' + 52;
}

set<string> words[11];
ll cnt[62][62], dp[62][62][62], perm[8] = {24, 12, 12, 4, 12, 6, 4, 1};

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		string s;
		cin >> s;
		words[s.size()].insert(s);
		reverse(s.begin(), s.end());
		words[s.size()].insert(s);
	}

	ll ans = 0;
	for (int l = 3; l < 11; l++) {
		memset(cnt, 0, sizeof cnt);
		memset(dp, 0, sizeof dp);
		for (string i : words[l]) cnt[id(i[0])][id(i.back())]++;
		for (int i = 0; i < 62; i++) {
			for (int a = 0; a < 62; a++) {
				for (int b = a; b < 62; b++) {
					for (int c = b; c < 62; c++) {
						dp[a][b][c] = (dp[a][b][c] + cnt[i][a] * cnt[i][b] % MOD * cnt[i][c] % MOD) % MOD;
					}
				}
			}
		}
		for (int a = 0; a < 62; a++) {
			for (int b = a; b < 62; b++) {
				for (int c = b; c < 62; c++) {
					for (int d = c; d < 62; d++) {
						int mask = (a == b) << 2 | (b == c) << 1 | (c == d);
						ans = (ans + dp[a][b][c] * dp[a][b][d] % MOD * dp[a][c][d] % MOD * dp[b][c][d] % MOD * perm[mask] % MOD) % MOD;
					}
				}
			}
		}
	}
	cout << ans;
	return 0;
}

Subtask #1
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	346 ms	16888 KB	Output is correct
2	Correct	341 ms	16888 KB	Output is correct
3	Correct	351 ms	17088 KB	Output is correct
4	Correct	346 ms	17020 KB	Output is correct
5	Correct	367 ms	17144 KB	Output is correct
6	Correct	330 ms	17016 KB	Output is correct
7	Correct	329 ms	17144 KB	Output is correct
8	Correct	328 ms	17016 KB	Output is correct
9	Correct	342 ms	17016 KB	Output is correct
10	Correct	402 ms	17020 KB	Output is correct
11	Correct	343 ms	17144 KB	Output is correct
12	Correct	336 ms	17144 KB	Output is correct
13	Correct	328 ms	17016 KB	Output is correct
14	Correct	340 ms	17016 KB	Output is correct
15	Correct	329 ms	17016 KB	Output is correct
16	Correct	329 ms	17044 KB	Output is correct
17	Correct	335 ms	16920 KB	Output is correct
18	Correct	334 ms	17100 KB	Output is correct
19	Correct	324 ms	17016 KB	Output is correct
20	Correct	337 ms	17016 KB	Output is correct
21	Correct	325 ms	16888 KB	Output is correct

Subtask #2
29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	346 ms	16888 KB	Output is correct
2	Correct	341 ms	16888 KB	Output is correct
3	Correct	351 ms	17088 KB	Output is correct
4	Correct	346 ms	17020 KB	Output is correct
5	Correct	367 ms	17144 KB	Output is correct
6	Correct	330 ms	17016 KB	Output is correct
7	Correct	329 ms	17144 KB	Output is correct
8	Correct	328 ms	17016 KB	Output is correct
9	Correct	342 ms	17016 KB	Output is correct
10	Correct	402 ms	17020 KB	Output is correct
11	Correct	343 ms	17144 KB	Output is correct
12	Correct	336 ms	17144 KB	Output is correct
13	Correct	328 ms	17016 KB	Output is correct
14	Correct	340 ms	17016 KB	Output is correct
15	Correct	329 ms	17016 KB	Output is correct
16	Correct	329 ms	17044 KB	Output is correct
17	Correct	335 ms	16920 KB	Output is correct
18	Correct	334 ms	17100 KB	Output is correct
19	Correct	324 ms	17016 KB	Output is correct
20	Correct	337 ms	17016 KB	Output is correct
21	Correct	325 ms	16888 KB	Output is correct
22	Correct	330 ms	17784 KB	Output is correct
23	Correct	340 ms	17656 KB	Output is correct
24	Correct	329 ms	17804 KB	Output is correct
25	Correct	340 ms	17656 KB	Output is correct
26	Correct	346 ms	17656 KB	Output is correct
27	Correct	342 ms	17656 KB	Output is correct
28	Correct	333 ms	17732 KB	Output is correct
29	Correct	328 ms	17680 KB	Output is correct
30	Correct	338 ms	17656 KB	Output is correct
31	Correct	355 ms	17656 KB	Output is correct
32	Correct	341 ms	17656 KB	Output is correct
33	Correct	326 ms	17660 KB	Output is correct
34	Correct	322 ms	17656 KB	Output is correct
35	Correct	327 ms	17660 KB	Output is correct
36	Correct	325 ms	17656 KB	Output is correct
37	Correct	337 ms	17656 KB	Output is correct
38	Correct	324 ms	17656 KB	Output is correct
39	Correct	326 ms	17704 KB	Output is correct
40	Correct	318 ms	17656 KB	Output is correct
41	Correct	332 ms	17708 KB	Output is correct
42	Correct	321 ms	17528 KB	Output is correct

Subtask #3
34.0 / 34.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	346 ms	16888 KB	Output is correct
2	Correct	341 ms	16888 KB	Output is correct
3	Correct	351 ms	17088 KB	Output is correct
4	Correct	346 ms	17020 KB	Output is correct
5	Correct	367 ms	17144 KB	Output is correct
6	Correct	330 ms	17016 KB	Output is correct
7	Correct	329 ms	17144 KB	Output is correct
8	Correct	328 ms	17016 KB	Output is correct
9	Correct	342 ms	17016 KB	Output is correct
10	Correct	402 ms	17020 KB	Output is correct
11	Correct	343 ms	17144 KB	Output is correct
12	Correct	336 ms	17144 KB	Output is correct
13	Correct	328 ms	17016 KB	Output is correct
14	Correct	340 ms	17016 KB	Output is correct
15	Correct	329 ms	17016 KB	Output is correct
16	Correct	329 ms	17044 KB	Output is correct
17	Correct	335 ms	16920 KB	Output is correct
18	Correct	334 ms	17100 KB	Output is correct
19	Correct	324 ms	17016 KB	Output is correct
20	Correct	337 ms	17016 KB	Output is correct
21	Correct	325 ms	16888 KB	Output is correct
22	Correct	330 ms	17784 KB	Output is correct
23	Correct	340 ms	17656 KB	Output is correct
24	Correct	329 ms	17804 KB	Output is correct
25	Correct	340 ms	17656 KB	Output is correct
26	Correct	346 ms	17656 KB	Output is correct
27	Correct	342 ms	17656 KB	Output is correct
28	Correct	333 ms	17732 KB	Output is correct
29	Correct	328 ms	17680 KB	Output is correct
30	Correct	338 ms	17656 KB	Output is correct
31	Correct	355 ms	17656 KB	Output is correct
32	Correct	341 ms	17656 KB	Output is correct
33	Correct	326 ms	17660 KB	Output is correct
34	Correct	322 ms	17656 KB	Output is correct
35	Correct	327 ms	17660 KB	Output is correct
36	Correct	325 ms	17656 KB	Output is correct
37	Correct	337 ms	17656 KB	Output is correct
38	Correct	324 ms	17656 KB	Output is correct
39	Correct	326 ms	17704 KB	Output is correct
40	Correct	318 ms	17656 KB	Output is correct
41	Correct	332 ms	17708 KB	Output is correct
42	Correct	321 ms	17528 KB	Output is correct
43	Correct	336 ms	17528 KB	Output is correct
44	Correct	327 ms	17660 KB	Output is correct
45	Correct	328 ms	17656 KB	Output is correct
46	Correct	323 ms	17528 KB	Output is correct
47	Correct	347 ms	17656 KB	Output is correct
48	Correct	338 ms	17528 KB	Output is correct
49	Correct	341 ms	17636 KB	Output is correct
50	Correct	347 ms	17656 KB	Output is correct
51	Correct	358 ms	17528 KB	Output is correct
52	Correct	354 ms	17660 KB	Output is correct
53	Correct	336 ms	17656 KB	Output is correct
54	Correct	337 ms	17784 KB	Output is correct
55	Correct	330 ms	17528 KB	Output is correct
56	Correct	335 ms	17656 KB	Output is correct
57	Correct	342 ms	17656 KB	Output is correct
58	Correct	342 ms	17656 KB	Output is correct
59	Correct	337 ms	17636 KB	Output is correct
60	Correct	329 ms	17656 KB	Output is correct
61	Correct	327 ms	17632 KB	Output is correct
62	Correct	362 ms	17528 KB	Output is correct
63	Correct	322 ms	17528 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	346 ms	16888 KB	Output is correct
2	Correct	341 ms	16888 KB	Output is correct
3	Correct	351 ms	17088 KB	Output is correct
4	Correct	346 ms	17020 KB	Output is correct
5	Correct	367 ms	17144 KB	Output is correct
6	Correct	330 ms	17016 KB	Output is correct
7	Correct	329 ms	17144 KB	Output is correct
8	Correct	328 ms	17016 KB	Output is correct
9	Correct	342 ms	17016 KB	Output is correct
10	Correct	402 ms	17020 KB	Output is correct
11	Correct	343 ms	17144 KB	Output is correct
12	Correct	336 ms	17144 KB	Output is correct
13	Correct	328 ms	17016 KB	Output is correct
14	Correct	340 ms	17016 KB	Output is correct
15	Correct	329 ms	17016 KB	Output is correct
16	Correct	329 ms	17044 KB	Output is correct
17	Correct	335 ms	16920 KB	Output is correct
18	Correct	334 ms	17100 KB	Output is correct
19	Correct	324 ms	17016 KB	Output is correct
20	Correct	337 ms	17016 KB	Output is correct
21	Correct	325 ms	16888 KB	Output is correct
22	Correct	330 ms	17784 KB	Output is correct
23	Correct	340 ms	17656 KB	Output is correct
24	Correct	329 ms	17804 KB	Output is correct
25	Correct	340 ms	17656 KB	Output is correct
26	Correct	346 ms	17656 KB	Output is correct
27	Correct	342 ms	17656 KB	Output is correct
28	Correct	333 ms	17732 KB	Output is correct
29	Correct	328 ms	17680 KB	Output is correct
30	Correct	338 ms	17656 KB	Output is correct
31	Correct	355 ms	17656 KB	Output is correct
32	Correct	341 ms	17656 KB	Output is correct
33	Correct	326 ms	17660 KB	Output is correct
34	Correct	322 ms	17656 KB	Output is correct
35	Correct	327 ms	17660 KB	Output is correct
36	Correct	325 ms	17656 KB	Output is correct
37	Correct	337 ms	17656 KB	Output is correct
38	Correct	324 ms	17656 KB	Output is correct
39	Correct	326 ms	17704 KB	Output is correct
40	Correct	318 ms	17656 KB	Output is correct
41	Correct	332 ms	17708 KB	Output is correct
42	Correct	321 ms	17528 KB	Output is correct
43	Correct	336 ms	17528 KB	Output is correct
44	Correct	327 ms	17660 KB	Output is correct
45	Correct	328 ms	17656 KB	Output is correct
46	Correct	323 ms	17528 KB	Output is correct
47	Correct	347 ms	17656 KB	Output is correct
48	Correct	338 ms	17528 KB	Output is correct
49	Correct	341 ms	17636 KB	Output is correct
50	Correct	347 ms	17656 KB	Output is correct
51	Correct	358 ms	17528 KB	Output is correct
52	Correct	354 ms	17660 KB	Output is correct
53	Correct	336 ms	17656 KB	Output is correct
54	Correct	337 ms	17784 KB	Output is correct
55	Correct	330 ms	17528 KB	Output is correct
56	Correct	335 ms	17656 KB	Output is correct
57	Correct	342 ms	17656 KB	Output is correct
58	Correct	342 ms	17656 KB	Output is correct
59	Correct	337 ms	17636 KB	Output is correct
60	Correct	329 ms	17656 KB	Output is correct
61	Correct	327 ms	17632 KB	Output is correct
62	Correct	362 ms	17528 KB	Output is correct
63	Correct	322 ms	17528 KB	Output is correct
64	Correct	331 ms	17920 KB	Output is correct
65	Correct	327 ms	17784 KB	Output is correct
66	Correct	327 ms	18084 KB	Output is correct
67	Correct	323 ms	17872 KB	Output is correct
68	Correct	327 ms	17784 KB	Output is correct
69	Correct	329 ms	17872 KB	Output is correct
70	Correct	332 ms	17912 KB	Output is correct
71	Correct	328 ms	17912 KB	Output is correct
72	Correct	326 ms	17784 KB	Output is correct
73	Correct	334 ms	17784 KB	Output is correct
74	Correct	383 ms	17784 KB	Output is correct
75	Correct	380 ms	17952 KB	Output is correct
76	Correct	338 ms	17784 KB	Output is correct
77	Correct	346 ms	17780 KB	Output is correct
78	Correct	335 ms	17852 KB	Output is correct
79	Correct	340 ms	17784 KB	Output is correct
80	Correct	325 ms	17912 KB	Output is correct
81	Correct	333 ms	18040 KB	Output is correct
82	Correct	329 ms	17912 KB	Output is correct
83	Correct	332 ms	17912 KB	Output is correct
84	Correct	326 ms	17784 KB	Output is correct

Submission #283460

Compilation message

Subtask #1 21.0 / 21.0

Subtask #2 29.0 / 29.0

Subtask #3 34.0 / 34.0

Subtask #4 16.0 / 16.0

Subtask #1
21.0 / 21.0

Subtask #2
29.0 / 29.0

Subtask #3
34.0 / 34.0

Subtask #4
16.0 / 16.0