#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
ll mod = 998244353;
ll ans = 0;
vector<string> a[11];
ll n = 62;
ll cnt[70][70];
map<char, ll> mpp;
ll dp[70][70][70];
void solve(int cur){
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
cnt[i][j] = 0;
int sz = a[cur].size();
for(int i = 0; i < sz; ++i){
string u = a[cur][i];
reverse(all(u));
a[cur].pb(u);
}
sort(all(a[cur]));
a[cur].resize(unique(all(a[cur]))-a[cur].begin());
for(auto u : a[cur]){
cnt[mpp[u[0]]][mpp[u.back()]]++;
}
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
for(int k = 0; k < n; ++k){
dp[i][j][k] = 0;
for(int mid = 0; mid < n; ++mid){
dp[i][j][k] += cnt[mid][i]*cnt[mid][j]*cnt[mid][k]%mod;
if(dp[i][j][k] >= mod)
dp[i][j][k] -= mod;
}
}
for(int i = 0; i < n; ++i)
for(int k = 0; k < n; ++k)
for(int y = 0; y < n; ++y)
for(int j = 0; j < n; ++j){
ans += dp[i][k][j]*dp[i][j][y]%mod*dp[y][j][k]%mod*dp[i][k][y]%mod;
if(ans >= mod)
ans -= mod;
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
ll t;
cin >> t;
while(t--){
string s;
cin >> s;
a[s.size()].pb(s);
}
ll cnt = 0;
for(char i = 'a'; i <= 'p'; ++i)
mpp[i] = cnt++;
for(char i = 'A'; i <= 'P'; ++i)
mpp[i] = cnt++;
n = cnt;
for(char i = '0'; i <= '9'; ++i)
mpp[i] = cnt++;
for(ll i = 3; i <= 10; ++i)
if(a[i].size())
solve(i);
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
270 ms |
8688 KB |
Output is correct |
2 |
Correct |
258 ms |
8660 KB |
Output is correct |
3 |
Correct |
261 ms |
8628 KB |
Output is correct |
4 |
Correct |
266 ms |
8712 KB |
Output is correct |
5 |
Correct |
261 ms |
8700 KB |
Output is correct |
6 |
Correct |
260 ms |
8792 KB |
Output is correct |
7 |
Correct |
263 ms |
8656 KB |
Output is correct |
8 |
Correct |
265 ms |
8584 KB |
Output is correct |
9 |
Correct |
261 ms |
8724 KB |
Output is correct |
10 |
Correct |
260 ms |
8688 KB |
Output is correct |
11 |
Correct |
264 ms |
8648 KB |
Output is correct |
12 |
Correct |
264 ms |
8772 KB |
Output is correct |
13 |
Correct |
264 ms |
8652 KB |
Output is correct |
14 |
Correct |
261 ms |
8680 KB |
Output is correct |
15 |
Correct |
261 ms |
8748 KB |
Output is correct |
16 |
Correct |
267 ms |
8676 KB |
Output is correct |
17 |
Correct |
275 ms |
8628 KB |
Output is correct |
18 |
Correct |
260 ms |
8620 KB |
Output is correct |
19 |
Correct |
265 ms |
8688 KB |
Output is correct |
20 |
Correct |
262 ms |
8692 KB |
Output is correct |
21 |
Correct |
265 ms |
8692 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
270 ms |
8688 KB |
Output is correct |
2 |
Correct |
258 ms |
8660 KB |
Output is correct |
3 |
Correct |
261 ms |
8628 KB |
Output is correct |
4 |
Correct |
266 ms |
8712 KB |
Output is correct |
5 |
Correct |
261 ms |
8700 KB |
Output is correct |
6 |
Correct |
260 ms |
8792 KB |
Output is correct |
7 |
Correct |
263 ms |
8656 KB |
Output is correct |
8 |
Correct |
265 ms |
8584 KB |
Output is correct |
9 |
Correct |
261 ms |
8724 KB |
Output is correct |
10 |
Correct |
260 ms |
8688 KB |
Output is correct |
11 |
Correct |
264 ms |
8648 KB |
Output is correct |
12 |
Correct |
264 ms |
8772 KB |
Output is correct |
13 |
Correct |
264 ms |
8652 KB |
Output is correct |
14 |
Correct |
261 ms |
8680 KB |
Output is correct |
15 |
Correct |
261 ms |
8748 KB |
Output is correct |
16 |
Correct |
267 ms |
8676 KB |
Output is correct |
17 |
Correct |
275 ms |
8628 KB |
Output is correct |
18 |
Correct |
260 ms |
8620 KB |
Output is correct |
19 |
Correct |
265 ms |
8688 KB |
Output is correct |
20 |
Correct |
262 ms |
8692 KB |
Output is correct |
21 |
Correct |
265 ms |
8692 KB |
Output is correct |
22 |
Correct |
270 ms |
7940 KB |
Output is correct |
23 |
Correct |
268 ms |
7740 KB |
Output is correct |
24 |
Correct |
264 ms |
8000 KB |
Output is correct |
25 |
Correct |
262 ms |
7756 KB |
Output is correct |
26 |
Correct |
267 ms |
7644 KB |
Output is correct |
27 |
Correct |
263 ms |
7864 KB |
Output is correct |
28 |
Correct |
262 ms |
7652 KB |
Output is correct |
29 |
Correct |
266 ms |
7720 KB |
Output is correct |
30 |
Correct |
272 ms |
7808 KB |
Output is correct |
31 |
Correct |
263 ms |
7604 KB |
Output is correct |
32 |
Correct |
262 ms |
7756 KB |
Output is correct |
33 |
Correct |
262 ms |
7888 KB |
Output is correct |
34 |
Correct |
274 ms |
7740 KB |
Output is correct |
35 |
Correct |
272 ms |
7704 KB |
Output is correct |
36 |
Correct |
266 ms |
7672 KB |
Output is correct |
37 |
Correct |
263 ms |
7644 KB |
Output is correct |
38 |
Correct |
261 ms |
7624 KB |
Output is correct |
39 |
Correct |
267 ms |
7732 KB |
Output is correct |
40 |
Correct |
261 ms |
7852 KB |
Output is correct |
41 |
Correct |
263 ms |
7736 KB |
Output is correct |
42 |
Correct |
260 ms |
7656 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
270 ms |
8688 KB |
Output is correct |
2 |
Correct |
258 ms |
8660 KB |
Output is correct |
3 |
Correct |
261 ms |
8628 KB |
Output is correct |
4 |
Correct |
266 ms |
8712 KB |
Output is correct |
5 |
Correct |
261 ms |
8700 KB |
Output is correct |
6 |
Correct |
260 ms |
8792 KB |
Output is correct |
7 |
Correct |
263 ms |
8656 KB |
Output is correct |
8 |
Correct |
265 ms |
8584 KB |
Output is correct |
9 |
Correct |
261 ms |
8724 KB |
Output is correct |
10 |
Correct |
260 ms |
8688 KB |
Output is correct |
11 |
Correct |
264 ms |
8648 KB |
Output is correct |
12 |
Correct |
264 ms |
8772 KB |
Output is correct |
13 |
Correct |
264 ms |
8652 KB |
Output is correct |
14 |
Correct |
261 ms |
8680 KB |
Output is correct |
15 |
Correct |
261 ms |
8748 KB |
Output is correct |
16 |
Correct |
267 ms |
8676 KB |
Output is correct |
17 |
Correct |
275 ms |
8628 KB |
Output is correct |
18 |
Correct |
260 ms |
8620 KB |
Output is correct |
19 |
Correct |
265 ms |
8688 KB |
Output is correct |
20 |
Correct |
262 ms |
8692 KB |
Output is correct |
21 |
Correct |
265 ms |
8692 KB |
Output is correct |
22 |
Correct |
270 ms |
7940 KB |
Output is correct |
23 |
Correct |
268 ms |
7740 KB |
Output is correct |
24 |
Correct |
264 ms |
8000 KB |
Output is correct |
25 |
Correct |
262 ms |
7756 KB |
Output is correct |
26 |
Correct |
267 ms |
7644 KB |
Output is correct |
27 |
Correct |
263 ms |
7864 KB |
Output is correct |
28 |
Correct |
262 ms |
7652 KB |
Output is correct |
29 |
Correct |
266 ms |
7720 KB |
Output is correct |
30 |
Correct |
272 ms |
7808 KB |
Output is correct |
31 |
Correct |
263 ms |
7604 KB |
Output is correct |
32 |
Correct |
262 ms |
7756 KB |
Output is correct |
33 |
Correct |
262 ms |
7888 KB |
Output is correct |
34 |
Correct |
274 ms |
7740 KB |
Output is correct |
35 |
Correct |
272 ms |
7704 KB |
Output is correct |
36 |
Correct |
266 ms |
7672 KB |
Output is correct |
37 |
Correct |
263 ms |
7644 KB |
Output is correct |
38 |
Correct |
261 ms |
7624 KB |
Output is correct |
39 |
Correct |
267 ms |
7732 KB |
Output is correct |
40 |
Correct |
261 ms |
7852 KB |
Output is correct |
41 |
Correct |
263 ms |
7736 KB |
Output is correct |
42 |
Correct |
260 ms |
7656 KB |
Output is correct |
43 |
Correct |
320 ms |
7888 KB |
Output is correct |
44 |
Correct |
328 ms |
8124 KB |
Output is correct |
45 |
Correct |
324 ms |
7652 KB |
Output is correct |
46 |
Correct |
320 ms |
7632 KB |
Output is correct |
47 |
Correct |
323 ms |
7784 KB |
Output is correct |
48 |
Correct |
325 ms |
7664 KB |
Output is correct |
49 |
Correct |
327 ms |
7976 KB |
Output is correct |
50 |
Correct |
324 ms |
7656 KB |
Output is correct |
51 |
Correct |
323 ms |
7988 KB |
Output is correct |
52 |
Correct |
322 ms |
8052 KB |
Output is correct |
53 |
Correct |
331 ms |
8076 KB |
Output is correct |
54 |
Correct |
328 ms |
7872 KB |
Output is correct |
55 |
Correct |
321 ms |
8124 KB |
Output is correct |
56 |
Correct |
333 ms |
8132 KB |
Output is correct |
57 |
Correct |
322 ms |
7988 KB |
Output is correct |
58 |
Correct |
336 ms |
7904 KB |
Output is correct |
59 |
Correct |
325 ms |
7892 KB |
Output is correct |
60 |
Correct |
334 ms |
8120 KB |
Output is correct |
61 |
Correct |
323 ms |
7644 KB |
Output is correct |
62 |
Correct |
322 ms |
7912 KB |
Output is correct |
63 |
Correct |
326 ms |
7652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
270 ms |
8688 KB |
Output is correct |
2 |
Correct |
258 ms |
8660 KB |
Output is correct |
3 |
Correct |
261 ms |
8628 KB |
Output is correct |
4 |
Correct |
266 ms |
8712 KB |
Output is correct |
5 |
Correct |
261 ms |
8700 KB |
Output is correct |
6 |
Correct |
260 ms |
8792 KB |
Output is correct |
7 |
Correct |
263 ms |
8656 KB |
Output is correct |
8 |
Correct |
265 ms |
8584 KB |
Output is correct |
9 |
Correct |
261 ms |
8724 KB |
Output is correct |
10 |
Correct |
260 ms |
8688 KB |
Output is correct |
11 |
Correct |
264 ms |
8648 KB |
Output is correct |
12 |
Correct |
264 ms |
8772 KB |
Output is correct |
13 |
Correct |
264 ms |
8652 KB |
Output is correct |
14 |
Correct |
261 ms |
8680 KB |
Output is correct |
15 |
Correct |
261 ms |
8748 KB |
Output is correct |
16 |
Correct |
267 ms |
8676 KB |
Output is correct |
17 |
Correct |
275 ms |
8628 KB |
Output is correct |
18 |
Correct |
260 ms |
8620 KB |
Output is correct |
19 |
Correct |
265 ms |
8688 KB |
Output is correct |
20 |
Correct |
262 ms |
8692 KB |
Output is correct |
21 |
Correct |
265 ms |
8692 KB |
Output is correct |
22 |
Correct |
270 ms |
7940 KB |
Output is correct |
23 |
Correct |
268 ms |
7740 KB |
Output is correct |
24 |
Correct |
264 ms |
8000 KB |
Output is correct |
25 |
Correct |
262 ms |
7756 KB |
Output is correct |
26 |
Correct |
267 ms |
7644 KB |
Output is correct |
27 |
Correct |
263 ms |
7864 KB |
Output is correct |
28 |
Correct |
262 ms |
7652 KB |
Output is correct |
29 |
Correct |
266 ms |
7720 KB |
Output is correct |
30 |
Correct |
272 ms |
7808 KB |
Output is correct |
31 |
Correct |
263 ms |
7604 KB |
Output is correct |
32 |
Correct |
262 ms |
7756 KB |
Output is correct |
33 |
Correct |
262 ms |
7888 KB |
Output is correct |
34 |
Correct |
274 ms |
7740 KB |
Output is correct |
35 |
Correct |
272 ms |
7704 KB |
Output is correct |
36 |
Correct |
266 ms |
7672 KB |
Output is correct |
37 |
Correct |
263 ms |
7644 KB |
Output is correct |
38 |
Correct |
261 ms |
7624 KB |
Output is correct |
39 |
Correct |
267 ms |
7732 KB |
Output is correct |
40 |
Correct |
261 ms |
7852 KB |
Output is correct |
41 |
Correct |
263 ms |
7736 KB |
Output is correct |
42 |
Correct |
260 ms |
7656 KB |
Output is correct |
43 |
Correct |
320 ms |
7888 KB |
Output is correct |
44 |
Correct |
328 ms |
8124 KB |
Output is correct |
45 |
Correct |
324 ms |
7652 KB |
Output is correct |
46 |
Correct |
320 ms |
7632 KB |
Output is correct |
47 |
Correct |
323 ms |
7784 KB |
Output is correct |
48 |
Correct |
325 ms |
7664 KB |
Output is correct |
49 |
Correct |
327 ms |
7976 KB |
Output is correct |
50 |
Correct |
324 ms |
7656 KB |
Output is correct |
51 |
Correct |
323 ms |
7988 KB |
Output is correct |
52 |
Correct |
322 ms |
8052 KB |
Output is correct |
53 |
Correct |
331 ms |
8076 KB |
Output is correct |
54 |
Correct |
328 ms |
7872 KB |
Output is correct |
55 |
Correct |
321 ms |
8124 KB |
Output is correct |
56 |
Correct |
333 ms |
8132 KB |
Output is correct |
57 |
Correct |
322 ms |
7988 KB |
Output is correct |
58 |
Correct |
336 ms |
7904 KB |
Output is correct |
59 |
Correct |
325 ms |
7892 KB |
Output is correct |
60 |
Correct |
334 ms |
8120 KB |
Output is correct |
61 |
Correct |
323 ms |
7644 KB |
Output is correct |
62 |
Correct |
322 ms |
7912 KB |
Output is correct |
63 |
Correct |
326 ms |
7652 KB |
Output is correct |
64 |
Incorrect |
342 ms |
8004 KB |
Output isn't correct |
65 |
Halted |
0 ms |
0 KB |
- |