oj.uz

Submission #786427

# Submission time Handle Problem Language Result Execution time Memory
786427 2023-07-18T07:44:21 Z blue Cubeword (CEOI19_cubeword) C++17
50 / 100
 139 ms 36360 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using vll = vector<ll>;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using pii = pair<int, int>;
#define sz(x) int(x.size())

const ll mod = 998'244'353LL;

const int Z = 16;

int ad(ll a, ll b)
{
	return (a + b) % mod;
}

void selfadd(int& a, ll b)
{
	a = ad(a, b);
}

int mul(ll a, ll b)
{
	return (a * b) % mod;
}

int getnum(char c)
{
	if('a' <= c && c <= 'z')
		return c - 'a';
	else if('A' <= c && c <= 'Z')
		return 26 + c - 'A';
	else if('0' <= c && c <= '9')
		return 26 + 26 + c - '0';
	else
		assert(0);
}


int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	int n;
	cin >> n;

	set<string> words;

	for(int i = 1; i <= n; i++)
	{
		string s;
		cin >> s;

		words.insert(s);

		reverse(s.begin(), s.end());

		words.insert(s);
	}

	vector<pii> wl[11];

	for(string w : words)
	{
		wl[sz(w)].push_back({getnum(w[0]), getnum(w.back())});
	}


// cerr << "done\n";

	int res = 0;

	for(int l = 3; l <= 10; l++)
	{
		// cerr << "l = " << l << '\n';
		vvi ct(Z, vi(Z, 0));

		for(pii z : wl[l])
		{
			ct[z.first][z.second]++;
		}

		vvvi ct3(Z, vvi(Z, vi(Z, 0)));

		for(int a = 0; a < Z; a++)
		{
			for(int b = 0; b < Z; b++)
			{
				for(int c = 0; c < Z; c++)
				{
					for(int x = 0; x < Z; x++)
					{
						selfadd(ct3[a][b][c], mul(ct[x][a], mul(ct[x][b], ct[x][c])));
					}
				}
			}
		}

		for(int a = 0; a < Z; a++)
		{
			for(int b = 0; b < Z; b++)
			{
				for(int c = 0; c < Z; c++)
				{
					for(int d = 0; d < Z; d++)
					{
						selfadd(res, mul(ct3[a][b][c], mul(ct3[b][c][d], mul(ct3[c][d][a], ct3[d][a][b]))));
					}
				}
			}
		}
	}

	cout << res << '\n';
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 16476 KB Output is correct
2 Correct 99 ms 16508 KB Output is correct
3 Correct 100 ms 16448 KB Output is correct
4 Correct 121 ms 16616 KB Output is correct
5 Correct 102 ms 16712 KB Output is correct
6 Correct 117 ms 16720 KB Output is correct
7 Correct 101 ms 16468 KB Output is correct
8 Correct 98 ms 16736 KB Output is correct
9 Correct 103 ms 16452 KB Output is correct
10 Correct 111 ms 16576 KB Output is correct
11 Correct 105 ms 16464 KB Output is correct
12 Correct 99 ms 16508 KB Output is correct
13 Correct 108 ms 16532 KB Output is correct
14 Correct 107 ms 16404 KB Output is correct
15 Correct 98 ms 16400 KB Output is correct
16 Correct 100 ms 16756 KB Output is correct
17 Correct 101 ms 16784 KB Output is correct
18 Correct 100 ms 16692 KB Output is correct
19 Correct 105 ms 16760 KB Output is correct
20 Correct 120 ms 16728 KB Output is correct
21 Correct 100 ms 16516 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 16476 KB Output is correct
2 Correct 99 ms 16508 KB Output is correct
3 Correct 100 ms 16448 KB Output is correct
4 Correct 121 ms 16616 KB Output is correct
5 Correct 102 ms 16712 KB Output is correct
6 Correct 117 ms 16720 KB Output is correct
7 Correct 101 ms 16468 KB Output is correct
8 Correct 98 ms 16736 KB Output is correct
9 Correct 103 ms 16452 KB Output is correct
10 Correct 111 ms 16576 KB Output is correct
11 Correct 105 ms 16464 KB Output is correct
12 Correct 99 ms 16508 KB Output is correct
13 Correct 108 ms 16532 KB Output is correct
14 Correct 107 ms 16404 KB Output is correct
15 Correct 98 ms 16400 KB Output is correct
16 Correct 100 ms 16756 KB Output is correct
17 Correct 101 ms 16784 KB Output is correct
18 Correct 100 ms 16692 KB Output is correct
19 Correct 105 ms 16760 KB Output is correct
20 Correct 120 ms 16728 KB Output is correct
21 Correct 100 ms 16516 KB Output is correct
22 Correct 98 ms 17120 KB Output is correct
23 Correct 101 ms 18020 KB Output is correct
24 Correct 112 ms 18056 KB Output is correct
25 Correct 139 ms 17904 KB Output is correct
26 Correct 103 ms 17884 KB Output is correct
27 Correct 106 ms 18204 KB Output is correct
28 Correct 102 ms 18176 KB Output is correct
29 Correct 115 ms 18200 KB Output is correct
30 Correct 100 ms 17824 KB Output is correct
31 Correct 107 ms 17936 KB Output is correct
32 Correct 102 ms 18176 KB Output is correct
33 Correct 100 ms 17948 KB Output is correct
34 Correct 111 ms 18092 KB Output is correct
35 Correct 108 ms 17904 KB Output is correct
36 Correct 108 ms 18176 KB Output is correct
37 Correct 108 ms 17872 KB Output is correct
38 Correct 102 ms 17948 KB Output is correct
39 Correct 109 ms 18076 KB Output is correct
40 Correct 105 ms 17784 KB Output is correct
41 Correct 100 ms 18032 KB Output is correct
42 Correct 109 ms 17832 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 16476 KB Output is correct
2 Correct 99 ms 16508 KB Output is correct
3 Correct 100 ms 16448 KB Output is correct
4 Correct 121 ms 16616 KB Output is correct
5 Correct 102 ms 16712 KB Output is correct
6 Correct 117 ms 16720 KB Output is correct
7 Correct 101 ms 16468 KB Output is correct
8 Correct 98 ms 16736 KB Output is correct
9 Correct 103 ms 16452 KB Output is correct
10 Correct 111 ms 16576 KB Output is correct
11 Correct 105 ms 16464 KB Output is correct
12 Correct 99 ms 16508 KB Output is correct
13 Correct 108 ms 16532 KB Output is correct
14 Correct 107 ms 16404 KB Output is correct
15 Correct 98 ms 16400 KB Output is correct
16 Correct 100 ms 16756 KB Output is correct
17 Correct 101 ms 16784 KB Output is correct
18 Correct 100 ms 16692 KB Output is correct
19 Correct 105 ms 16760 KB Output is correct
20 Correct 120 ms 16728 KB Output is correct
21 Correct 100 ms 16516 KB Output is correct
22 Correct 98 ms 17120 KB Output is correct
23 Correct 101 ms 18020 KB Output is correct
24 Correct 112 ms 18056 KB Output is correct
25 Correct 139 ms 17904 KB Output is correct
26 Correct 103 ms 17884 KB Output is correct
27 Correct 106 ms 18204 KB Output is correct
28 Correct 102 ms 18176 KB Output is correct
29 Correct 115 ms 18200 KB Output is correct
30 Correct 100 ms 17824 KB Output is correct
31 Correct 107 ms 17936 KB Output is correct
32 Correct 102 ms 18176 KB Output is correct
33 Correct 100 ms 17948 KB Output is correct
34 Correct 111 ms 18092 KB Output is correct
35 Correct 108 ms 17904 KB Output is correct
36 Correct 108 ms 18176 KB Output is correct
37 Correct 108 ms 17872 KB Output is correct
38 Correct 102 ms 17948 KB Output is correct
39 Correct 109 ms 18076 KB Output is correct
40 Correct 105 ms 17784 KB Output is correct
41 Correct 100 ms 18032 KB Output is correct
42 Correct 109 ms 17832 KB Output is correct
43 Runtime error 122 ms 36360 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 16476 KB Output is correct
2 Correct 99 ms 16508 KB Output is correct
3 Correct 100 ms 16448 KB Output is correct
4 Correct 121 ms 16616 KB Output is correct
5 Correct 102 ms 16712 KB Output is correct
6 Correct 117 ms 16720 KB Output is correct
7 Correct 101 ms 16468 KB Output is correct
8 Correct 98 ms 16736 KB Output is correct
9 Correct 103 ms 16452 KB Output is correct
10 Correct 111 ms 16576 KB Output is correct
11 Correct 105 ms 16464 KB Output is correct
12 Correct 99 ms 16508 KB Output is correct
13 Correct 108 ms 16532 KB Output is correct
14 Correct 107 ms 16404 KB Output is correct
15 Correct 98 ms 16400 KB Output is correct
16 Correct 100 ms 16756 KB Output is correct
17 Correct 101 ms 16784 KB Output is correct
18 Correct 100 ms 16692 KB Output is correct
19 Correct 105 ms 16760 KB Output is correct
20 Correct 120 ms 16728 KB Output is correct
21 Correct 100 ms 16516 KB Output is correct
22 Correct 98 ms 17120 KB Output is correct
23 Correct 101 ms 18020 KB Output is correct
24 Correct 112 ms 18056 KB Output is correct
25 Correct 139 ms 17904 KB Output is correct
26 Correct 103 ms 17884 KB Output is correct
27 Correct 106 ms 18204 KB Output is correct
28 Correct 102 ms 18176 KB Output is correct
29 Correct 115 ms 18200 KB Output is correct
30 Correct 100 ms 17824 KB Output is correct
31 Correct 107 ms 17936 KB Output is correct
32 Correct 102 ms 18176 KB Output is correct
33 Correct 100 ms 17948 KB Output is correct
34 Correct 111 ms 18092 KB Output is correct
35 Correct 108 ms 17904 KB Output is correct
36 Correct 108 ms 18176 KB Output is correct
37 Correct 108 ms 17872 KB Output is correct
38 Correct 102 ms 17948 KB Output is correct
39 Correct 109 ms 18076 KB Output is correct
40 Correct 105 ms 17784 KB Output is correct
41 Correct 100 ms 18032 KB Output is correct
42 Correct 109 ms 17832 KB Output is correct
43 Runtime error 122 ms 36360 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -