oj.uz

Submission #786428

# Submission time Handle Problem Language Result Execution time Memory
786428 2023-07-18T07:44:56 Z blue Cubeword (CEOI19_cubeword) C++17
50 / 100
 225 ms 35676 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 = 32;

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 221 ms 16496 KB Output is correct
2 Correct 214 ms 16396 KB Output is correct
3 Correct 206 ms 16536 KB Output is correct
4 Correct 218 ms 16624 KB Output is correct
5 Correct 205 ms 16820 KB Output is correct
6 Correct 203 ms 16764 KB Output is correct
7 Correct 220 ms 16484 KB Output is correct
8 Correct 200 ms 16688 KB Output is correct
9 Correct 191 ms 16452 KB Output is correct
10 Correct 196 ms 16608 KB Output is correct
11 Correct 209 ms 16452 KB Output is correct
12 Correct 200 ms 16520 KB Output is correct
13 Correct 193 ms 16556 KB Output is correct
14 Correct 193 ms 16476 KB Output is correct
15 Correct 225 ms 16484 KB Output is correct
16 Correct 192 ms 16748 KB Output is correct
17 Correct 200 ms 16676 KB Output is correct
18 Correct 201 ms 16772 KB Output is correct
19 Correct 193 ms 16684 KB Output is correct
20 Correct 215 ms 16676 KB Output is correct
21 Correct 209 ms 16448 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 221 ms 16496 KB Output is correct
2 Correct 214 ms 16396 KB Output is correct
3 Correct 206 ms 16536 KB Output is correct
4 Correct 218 ms 16624 KB Output is correct
5 Correct 205 ms 16820 KB Output is correct
6 Correct 203 ms 16764 KB Output is correct
7 Correct 220 ms 16484 KB Output is correct
8 Correct 200 ms 16688 KB Output is correct
9 Correct 191 ms 16452 KB Output is correct
10 Correct 196 ms 16608 KB Output is correct
11 Correct 209 ms 16452 KB Output is correct
12 Correct 200 ms 16520 KB Output is correct
13 Correct 193 ms 16556 KB Output is correct
14 Correct 193 ms 16476 KB Output is correct
15 Correct 225 ms 16484 KB Output is correct
16 Correct 192 ms 16748 KB Output is correct
17 Correct 200 ms 16676 KB Output is correct
18 Correct 201 ms 16772 KB Output is correct
19 Correct 193 ms 16684 KB Output is correct
20 Correct 215 ms 16676 KB Output is correct
21 Correct 209 ms 16448 KB Output is correct
22 Correct 203 ms 17196 KB Output is correct
23 Correct 211 ms 17252 KB Output is correct
24 Correct 209 ms 17280 KB Output is correct
25 Correct 198 ms 17208 KB Output is correct
26 Correct 192 ms 17164 KB Output is correct
27 Correct 212 ms 17336 KB Output is correct
28 Correct 199 ms 17392 KB Output is correct
29 Correct 192 ms 17204 KB Output is correct
30 Correct 205 ms 17200 KB Output is correct
31 Correct 213 ms 17216 KB Output is correct
32 Correct 211 ms 17404 KB Output is correct
33 Correct 199 ms 17192 KB Output is correct
34 Correct 204 ms 17392 KB Output is correct
35 Correct 197 ms 17176 KB Output is correct
36 Correct 194 ms 17492 KB Output is correct
37 Correct 191 ms 17140 KB Output is correct
38 Correct 196 ms 17256 KB Output is correct
39 Correct 196 ms 17344 KB Output is correct
40 Correct 200 ms 17180 KB Output is correct
41 Correct 210 ms 17208 KB Output is correct
42 Correct 195 ms 17124 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 221 ms 16496 KB Output is correct
2 Correct 214 ms 16396 KB Output is correct
3 Correct 206 ms 16536 KB Output is correct
4 Correct 218 ms 16624 KB Output is correct
5 Correct 205 ms 16820 KB Output is correct
6 Correct 203 ms 16764 KB Output is correct
7 Correct 220 ms 16484 KB Output is correct
8 Correct 200 ms 16688 KB Output is correct
9 Correct 191 ms 16452 KB Output is correct
10 Correct 196 ms 16608 KB Output is correct
11 Correct 209 ms 16452 KB Output is correct
12 Correct 200 ms 16520 KB Output is correct
13 Correct 193 ms 16556 KB Output is correct
14 Correct 193 ms 16476 KB Output is correct
15 Correct 225 ms 16484 KB Output is correct
16 Correct 192 ms 16748 KB Output is correct
17 Correct 200 ms 16676 KB Output is correct
18 Correct 201 ms 16772 KB Output is correct
19 Correct 193 ms 16684 KB Output is correct
20 Correct 215 ms 16676 KB Output is correct
21 Correct 209 ms 16448 KB Output is correct
22 Correct 203 ms 17196 KB Output is correct
23 Correct 211 ms 17252 KB Output is correct
24 Correct 209 ms 17280 KB Output is correct
25 Correct 198 ms 17208 KB Output is correct
26 Correct 192 ms 17164 KB Output is correct
27 Correct 212 ms 17336 KB Output is correct
28 Correct 199 ms 17392 KB Output is correct
29 Correct 192 ms 17204 KB Output is correct
30 Correct 205 ms 17200 KB Output is correct
31 Correct 213 ms 17216 KB Output is correct
32 Correct 211 ms 17404 KB Output is correct
33 Correct 199 ms 17192 KB Output is correct
34 Correct 204 ms 17392 KB Output is correct
35 Correct 197 ms 17176 KB Output is correct
36 Correct 194 ms 17492 KB Output is correct
37 Correct 191 ms 17140 KB Output is correct
38 Correct 196 ms 17256 KB Output is correct
39 Correct 196 ms 17344 KB Output is correct
40 Correct 200 ms 17180 KB Output is correct
41 Correct 210 ms 17208 KB Output is correct
42 Correct 195 ms 17124 KB Output is correct
43 Runtime error 108 ms 35676 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 221 ms 16496 KB Output is correct
2 Correct 214 ms 16396 KB Output is correct
3 Correct 206 ms 16536 KB Output is correct
4 Correct 218 ms 16624 KB Output is correct
5 Correct 205 ms 16820 KB Output is correct
6 Correct 203 ms 16764 KB Output is correct
7 Correct 220 ms 16484 KB Output is correct
8 Correct 200 ms 16688 KB Output is correct
9 Correct 191 ms 16452 KB Output is correct
10 Correct 196 ms 16608 KB Output is correct
11 Correct 209 ms 16452 KB Output is correct
12 Correct 200 ms 16520 KB Output is correct
13 Correct 193 ms 16556 KB Output is correct
14 Correct 193 ms 16476 KB Output is correct
15 Correct 225 ms 16484 KB Output is correct
16 Correct 192 ms 16748 KB Output is correct
17 Correct 200 ms 16676 KB Output is correct
18 Correct 201 ms 16772 KB Output is correct
19 Correct 193 ms 16684 KB Output is correct
20 Correct 215 ms 16676 KB Output is correct
21 Correct 209 ms 16448 KB Output is correct
22 Correct 203 ms 17196 KB Output is correct
23 Correct 211 ms 17252 KB Output is correct
24 Correct 209 ms 17280 KB Output is correct
25 Correct 198 ms 17208 KB Output is correct
26 Correct 192 ms 17164 KB Output is correct
27 Correct 212 ms 17336 KB Output is correct
28 Correct 199 ms 17392 KB Output is correct
29 Correct 192 ms 17204 KB Output is correct
30 Correct 205 ms 17200 KB Output is correct
31 Correct 213 ms 17216 KB Output is correct
32 Correct 211 ms 17404 KB Output is correct
33 Correct 199 ms 17192 KB Output is correct
34 Correct 204 ms 17392 KB Output is correct
35 Correct 197 ms 17176 KB Output is correct
36 Correct 194 ms 17492 KB Output is correct
37 Correct 191 ms 17140 KB Output is correct
38 Correct 196 ms 17256 KB Output is correct
39 Correct 196 ms 17344 KB Output is correct
40 Correct 200 ms 17180 KB Output is correct
41 Correct 210 ms 17208 KB Output is correct
42 Correct 195 ms 17124 KB Output is correct
43 Runtime error 108 ms 35676 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -