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Submission #674494

# Submission time Handle Problem Language Result Execution time Memory
674494 2022-12-24T14:27:33 Z Sohsoh84 Cubeword (CEOI19_cubeword) C++17
100 / 100
 1094 ms 60096 KB 
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> pll;

#define all(x)			(x).begin(),(x).end()
#define X			first
#define Y			second
#define sep			' '
#define endl			'\n'
#define debug(x)		cerr << #x << ": " <<  x << endl;

constexpr ll MAXN = 1e6 + 10;
constexpr ll MAXM = 26 + 26 + 10;
constexpr ll MOD = 998244353;

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

ll F[MAXM][MAXM], T[MAXM][MAXM][MAXM], ans;
int n, nxt[MAXN][MAXM], sz = 0;
vector<string> vec[MAXM];

inline bool add(string s) {
	int v = 0;
	bool flag = false;

	for (char c : s) {
		if (!nxt[v][f(c)]) {
			flag = true;
			nxt[v][f(c)] = ++sz;
		}

		v = nxt[v][f(c)];
	}

	return flag;
}

inline void solve(int len) {
	memset(F, 0, sizeof F);
	memset(T, 0, sizeof T);
	for (int i = 0; i <= sz; i++)
		memset(nxt[i], 0, sizeof nxt[i]);
	sz = 0;

	for (string s : vec[len])
		if (add(s))
			F[f(s.front())][f(s.back())]++;
	
	for (int i = 0; i < MAXM; i++)
		for (int j = 0; j < MAXM; j++)
			for (int k = 0; k < MAXM; k++)
				for (int a = 0; a < MAXM; a++)
					T[i][j][k] = (T[i][j][k] + F[a][i] * F[a][j] * F[a][k]) % MOD;

	for (int a = 0; a < MAXM; a++)
		for (int b = 0; b < MAXM; b++)
			for (int c = 0; c < MAXM; c++)
				for (int d = 0; d < MAXM; d++)
					ans = (ans + T[a][b][c] * T[a][b][d] % MOD * T[a][c][d] % MOD * T[b][c][d]) % MOD;
}

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	int t;
	cin >> t;
	while (t--) {
		string s;
		cin >> s;

		vec[s.size()].push_back(s);
		reverse(all(s));
		vec[s.size()].push_back(s);
	}

	for (int i = 3; i <= 10; i++)
		solve(i);

	cout << ans << endl;
	return 0;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1047 ms 54096 KB Output is correct
2 Correct 1039 ms 54100 KB Output is correct
3 Correct 1035 ms 54220 KB Output is correct
4 Correct 1034 ms 54444 KB Output is correct
5 Correct 1032 ms 53972 KB Output is correct
6 Correct 1037 ms 53480 KB Output is correct
7 Correct 1035 ms 54020 KB Output is correct
8 Correct 1036 ms 53760 KB Output is correct
9 Correct 1034 ms 53632 KB Output is correct
10 Correct 1030 ms 54040 KB Output is correct
11 Correct 1038 ms 54104 KB Output is correct
12 Correct 1037 ms 53880 KB Output is correct
13 Correct 1042 ms 54264 KB Output is correct
14 Correct 1036 ms 53580 KB Output is correct
15 Correct 1029 ms 53264 KB Output is correct
16 Correct 1039 ms 53720 KB Output is correct
17 Correct 1034 ms 53816 KB Output is correct
18 Correct 1032 ms 53772 KB Output is correct
19 Correct 1038 ms 53544 KB Output is correct
20 Correct 1033 ms 53608 KB Output is correct
21 Correct 1038 ms 53768 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1047 ms 54096 KB Output is correct
2 Correct 1039 ms 54100 KB Output is correct
3 Correct 1035 ms 54220 KB Output is correct
4 Correct 1034 ms 54444 KB Output is correct
5 Correct 1032 ms 53972 KB Output is correct
6 Correct 1037 ms 53480 KB Output is correct
7 Correct 1035 ms 54020 KB Output is correct
8 Correct 1036 ms 53760 KB Output is correct
9 Correct 1034 ms 53632 KB Output is correct
10 Correct 1030 ms 54040 KB Output is correct
11 Correct 1038 ms 54104 KB Output is correct
12 Correct 1037 ms 53880 KB Output is correct
13 Correct 1042 ms 54264 KB Output is correct
14 Correct 1036 ms 53580 KB Output is correct
15 Correct 1029 ms 53264 KB Output is correct
16 Correct 1039 ms 53720 KB Output is correct
17 Correct 1034 ms 53816 KB Output is correct
18 Correct 1032 ms 53772 KB Output is correct
19 Correct 1038 ms 53544 KB Output is correct
20 Correct 1033 ms 53608 KB Output is correct
21 Correct 1038 ms 53768 KB Output is correct
22 Correct 1037 ms 55316 KB Output is correct
23 Correct 1045 ms 55540 KB Output is correct
24 Correct 1035 ms 55560 KB Output is correct
25 Correct 1034 ms 56104 KB Output is correct
26 Correct 1037 ms 55272 KB Output is correct
27 Correct 1037 ms 56048 KB Output is correct
28 Correct 1046 ms 55872 KB Output is correct
29 Correct 1057 ms 55412 KB Output is correct
30 Correct 1051 ms 56220 KB Output is correct
31 Correct 1047 ms 55776 KB Output is correct
32 Correct 1040 ms 55660 KB Output is correct
33 Correct 1036 ms 55892 KB Output is correct
34 Correct 1052 ms 56024 KB Output is correct
35 Correct 1038 ms 55332 KB Output is correct
36 Correct 1046 ms 55424 KB Output is correct
37 Correct 1045 ms 55956 KB Output is correct
38 Correct 1042 ms 55740 KB Output is correct
39 Correct 1033 ms 55624 KB Output is correct
40 Correct 1034 ms 55892 KB Output is correct
41 Correct 1060 ms 55996 KB Output is correct
42 Correct 1037 ms 55180 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1047 ms 54096 KB Output is correct
2 Correct 1039 ms 54100 KB Output is correct
3 Correct 1035 ms 54220 KB Output is correct
4 Correct 1034 ms 54444 KB Output is correct
5 Correct 1032 ms 53972 KB Output is correct
6 Correct 1037 ms 53480 KB Output is correct
7 Correct 1035 ms 54020 KB Output is correct
8 Correct 1036 ms 53760 KB Output is correct
9 Correct 1034 ms 53632 KB Output is correct
10 Correct 1030 ms 54040 KB Output is correct
11 Correct 1038 ms 54104 KB Output is correct
12 Correct 1037 ms 53880 KB Output is correct
13 Correct 1042 ms 54264 KB Output is correct
14 Correct 1036 ms 53580 KB Output is correct
15 Correct 1029 ms 53264 KB Output is correct
16 Correct 1039 ms 53720 KB Output is correct
17 Correct 1034 ms 53816 KB Output is correct
18 Correct 1032 ms 53772 KB Output is correct
19 Correct 1038 ms 53544 KB Output is correct
20 Correct 1033 ms 53608 KB Output is correct
21 Correct 1038 ms 53768 KB Output is correct
22 Correct 1037 ms 55316 KB Output is correct
23 Correct 1045 ms 55540 KB Output is correct
24 Correct 1035 ms 55560 KB Output is correct
25 Correct 1034 ms 56104 KB Output is correct
26 Correct 1037 ms 55272 KB Output is correct
27 Correct 1037 ms 56048 KB Output is correct
28 Correct 1046 ms 55872 KB Output is correct
29 Correct 1057 ms 55412 KB Output is correct
30 Correct 1051 ms 56220 KB Output is correct
31 Correct 1047 ms 55776 KB Output is correct
32 Correct 1040 ms 55660 KB Output is correct
33 Correct 1036 ms 55892 KB Output is correct
34 Correct 1052 ms 56024 KB Output is correct
35 Correct 1038 ms 55332 KB Output is correct
36 Correct 1046 ms 55424 KB Output is correct
37 Correct 1045 ms 55956 KB Output is correct
38 Correct 1042 ms 55740 KB Output is correct
39 Correct 1033 ms 55624 KB Output is correct
40 Correct 1034 ms 55892 KB Output is correct
41 Correct 1060 ms 55996 KB Output is correct
42 Correct 1037 ms 55180 KB Output is correct
43 Correct 1069 ms 56124 KB Output is correct
44 Correct 1053 ms 56896 KB Output is correct
45 Correct 1059 ms 56708 KB Output is correct
46 Correct 1057 ms 56704 KB Output is correct
47 Correct 1064 ms 56536 KB Output is correct
48 Correct 1073 ms 57592 KB Output is correct
49 Correct 1073 ms 56488 KB Output is correct
50 Correct 1067 ms 57484 KB Output is correct
51 Correct 1076 ms 57236 KB Output is correct
52 Correct 1065 ms 56368 KB Output is correct
53 Correct 1060 ms 56540 KB Output is correct
54 Correct 1068 ms 57132 KB Output is correct
55 Correct 1059 ms 57032 KB Output is correct
56 Correct 1066 ms 56664 KB Output is correct
57 Correct 1057 ms 56716 KB Output is correct
58 Correct 1062 ms 56756 KB Output is correct
59 Correct 1063 ms 56644 KB Output is correct
60 Correct 1059 ms 56484 KB Output is correct
61 Correct 1061 ms 56736 KB Output is correct
62 Correct 1057 ms 56588 KB Output is correct
63 Correct 1055 ms 56620 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1047 ms 54096 KB Output is correct
2 Correct 1039 ms 54100 KB Output is correct
3 Correct 1035 ms 54220 KB Output is correct
4 Correct 1034 ms 54444 KB Output is correct
5 Correct 1032 ms 53972 KB Output is correct
6 Correct 1037 ms 53480 KB Output is correct
7 Correct 1035 ms 54020 KB Output is correct
8 Correct 1036 ms 53760 KB Output is correct
9 Correct 1034 ms 53632 KB Output is correct
10 Correct 1030 ms 54040 KB Output is correct
11 Correct 1038 ms 54104 KB Output is correct
12 Correct 1037 ms 53880 KB Output is correct
13 Correct 1042 ms 54264 KB Output is correct
14 Correct 1036 ms 53580 KB Output is correct
15 Correct 1029 ms 53264 KB Output is correct
16 Correct 1039 ms 53720 KB Output is correct
17 Correct 1034 ms 53816 KB Output is correct
18 Correct 1032 ms 53772 KB Output is correct
19 Correct 1038 ms 53544 KB Output is correct
20 Correct 1033 ms 53608 KB Output is correct
21 Correct 1038 ms 53768 KB Output is correct
22 Correct 1037 ms 55316 KB Output is correct
23 Correct 1045 ms 55540 KB Output is correct
24 Correct 1035 ms 55560 KB Output is correct
25 Correct 1034 ms 56104 KB Output is correct
26 Correct 1037 ms 55272 KB Output is correct
27 Correct 1037 ms 56048 KB Output is correct
28 Correct 1046 ms 55872 KB Output is correct
29 Correct 1057 ms 55412 KB Output is correct
30 Correct 1051 ms 56220 KB Output is correct
31 Correct 1047 ms 55776 KB Output is correct
32 Correct 1040 ms 55660 KB Output is correct
33 Correct 1036 ms 55892 KB Output is correct
34 Correct 1052 ms 56024 KB Output is correct
35 Correct 1038 ms 55332 KB Output is correct
36 Correct 1046 ms 55424 KB Output is correct
37 Correct 1045 ms 55956 KB Output is correct
38 Correct 1042 ms 55740 KB Output is correct
39 Correct 1033 ms 55624 KB Output is correct
40 Correct 1034 ms 55892 KB Output is correct
41 Correct 1060 ms 55996 KB Output is correct
42 Correct 1037 ms 55180 KB Output is correct
43 Correct 1069 ms 56124 KB Output is correct
44 Correct 1053 ms 56896 KB Output is correct
45 Correct 1059 ms 56708 KB Output is correct
46 Correct 1057 ms 56704 KB Output is correct
47 Correct 1064 ms 56536 KB Output is correct
48 Correct 1073 ms 57592 KB Output is correct
49 Correct 1073 ms 56488 KB Output is correct
50 Correct 1067 ms 57484 KB Output is correct
51 Correct 1076 ms 57236 KB Output is correct
52 Correct 1065 ms 56368 KB Output is correct
53 Correct 1060 ms 56540 KB Output is correct
54 Correct 1068 ms 57132 KB Output is correct
55 Correct 1059 ms 57032 KB Output is correct
56 Correct 1066 ms 56664 KB Output is correct
57 Correct 1057 ms 56716 KB Output is correct
58 Correct 1062 ms 56756 KB Output is correct
59 Correct 1063 ms 56644 KB Output is correct
60 Correct 1059 ms 56484 KB Output is correct
61 Correct 1061 ms 56736 KB Output is correct
62 Correct 1057 ms 56588 KB Output is correct
63 Correct 1055 ms 56620 KB Output is correct
64 Correct 1072 ms 57376 KB Output is correct
65 Correct 1067 ms 60096 KB Output is correct
66 Correct 1071 ms 58576 KB Output is correct
67 Correct 1071 ms 58796 KB Output is correct
68 Correct 1094 ms 58044 KB Output is correct
69 Correct 1066 ms 58856 KB Output is correct
70 Correct 1069 ms 58672 KB Output is correct
71 Correct 1072 ms 58372 KB Output is correct
72 Correct 1082 ms 58568 KB Output is correct
73 Correct 1070 ms 58880 KB Output is correct
74 Correct 1071 ms 59684 KB Output is correct
75 Correct 1076 ms 58624 KB Output is correct
76 Correct 1068 ms 59228 KB Output is correct
77 Correct 1074 ms 58104 KB Output is correct
78 Correct 1079 ms 58448 KB Output is correct
79 Correct 1071 ms 58284 KB Output is correct
80 Correct 1072 ms 58416 KB Output is correct
81 Correct 1081 ms 58936 KB Output is correct
82 Correct 1076 ms 59632 KB Output is correct
83 Correct 1068 ms 59252 KB Output is correct
84 Correct 1069 ms 58904 KB Output is correct