#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 dp1[70][70][70];
ll dp2[70][70][70][70];
ll dp3[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){
dp1[i][j][k] = 0;
for(int mid = 0; mid < n; ++mid){
dp1[i][j][k] += cnt[mid][i]*cnt[mid][j]%mod*cnt[mid][k]%mod;
if(dp1[i][j][k] >= mod)
dp1[i][j][k] -= mod;
}
}
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
for(int k = 0; k < n; ++k)
for(int y = 0; y < n; ++y)
dp2[i][j][k][y] = dp1[i][j][k]*dp1[j][k][y]%mod;
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
for(int y = 0; y < n; ++y){
dp3[i][j][y] = 0;
for(int k = 0; k < n; ++k){
dp3[i][j][y] += dp2[i][j][k][y]*dp1[i][k][y]%mod;
if(dp3[i][j][y] >= mod)
dp3[i][j][y] -= mod;
}
}
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
for(int y = 0; y < n; ++y)
for(int fin = 0; fin < n; ++fin){
ans += dp3[i][j][y]*cnt[fin][i]%mod*cnt[fin][j]%mod*cnt[fin][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)
solve(i);
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
426 ms |
31268 KB |
Output is correct |
2 |
Correct |
427 ms |
31384 KB |
Output is correct |
3 |
Correct |
435 ms |
31260 KB |
Output is correct |
4 |
Correct |
425 ms |
31228 KB |
Output is correct |
5 |
Correct |
435 ms |
31240 KB |
Output is correct |
6 |
Correct |
426 ms |
31320 KB |
Output is correct |
7 |
Correct |
426 ms |
31280 KB |
Output is correct |
8 |
Correct |
431 ms |
31128 KB |
Output is correct |
9 |
Correct |
428 ms |
31132 KB |
Output is correct |
10 |
Correct |
450 ms |
31256 KB |
Output is correct |
11 |
Correct |
429 ms |
31172 KB |
Output is correct |
12 |
Correct |
430 ms |
31216 KB |
Output is correct |
13 |
Correct |
428 ms |
31180 KB |
Output is correct |
14 |
Correct |
434 ms |
31208 KB |
Output is correct |
15 |
Correct |
430 ms |
31328 KB |
Output is correct |
16 |
Correct |
423 ms |
31220 KB |
Output is correct |
17 |
Correct |
424 ms |
31184 KB |
Output is correct |
18 |
Correct |
423 ms |
31272 KB |
Output is correct |
19 |
Correct |
440 ms |
31204 KB |
Output is correct |
20 |
Correct |
424 ms |
31216 KB |
Output is correct |
21 |
Correct |
426 ms |
31216 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
426 ms |
31268 KB |
Output is correct |
2 |
Correct |
427 ms |
31384 KB |
Output is correct |
3 |
Correct |
435 ms |
31260 KB |
Output is correct |
4 |
Correct |
425 ms |
31228 KB |
Output is correct |
5 |
Correct |
435 ms |
31240 KB |
Output is correct |
6 |
Correct |
426 ms |
31320 KB |
Output is correct |
7 |
Correct |
426 ms |
31280 KB |
Output is correct |
8 |
Correct |
431 ms |
31128 KB |
Output is correct |
9 |
Correct |
428 ms |
31132 KB |
Output is correct |
10 |
Correct |
450 ms |
31256 KB |
Output is correct |
11 |
Correct |
429 ms |
31172 KB |
Output is correct |
12 |
Correct |
430 ms |
31216 KB |
Output is correct |
13 |
Correct |
428 ms |
31180 KB |
Output is correct |
14 |
Correct |
434 ms |
31208 KB |
Output is correct |
15 |
Correct |
430 ms |
31328 KB |
Output is correct |
16 |
Correct |
423 ms |
31220 KB |
Output is correct |
17 |
Correct |
424 ms |
31184 KB |
Output is correct |
18 |
Correct |
423 ms |
31272 KB |
Output is correct |
19 |
Correct |
440 ms |
31204 KB |
Output is correct |
20 |
Correct |
424 ms |
31216 KB |
Output is correct |
21 |
Correct |
426 ms |
31216 KB |
Output is correct |
22 |
Correct |
427 ms |
30416 KB |
Output is correct |
23 |
Correct |
426 ms |
30252 KB |
Output is correct |
24 |
Correct |
429 ms |
30528 KB |
Output is correct |
25 |
Correct |
437 ms |
30172 KB |
Output is correct |
26 |
Correct |
434 ms |
30324 KB |
Output is correct |
27 |
Correct |
429 ms |
30520 KB |
Output is correct |
28 |
Correct |
431 ms |
30324 KB |
Output is correct |
29 |
Correct |
434 ms |
30248 KB |
Output is correct |
30 |
Correct |
432 ms |
30484 KB |
Output is correct |
31 |
Correct |
421 ms |
30136 KB |
Output is correct |
32 |
Correct |
423 ms |
30260 KB |
Output is correct |
33 |
Correct |
444 ms |
30432 KB |
Output is correct |
34 |
Correct |
429 ms |
30188 KB |
Output is correct |
35 |
Correct |
462 ms |
30336 KB |
Output is correct |
36 |
Correct |
431 ms |
30200 KB |
Output is correct |
37 |
Correct |
426 ms |
30228 KB |
Output is correct |
38 |
Correct |
444 ms |
30408 KB |
Output is correct |
39 |
Correct |
425 ms |
30264 KB |
Output is correct |
40 |
Correct |
427 ms |
30512 KB |
Output is correct |
41 |
Correct |
434 ms |
30268 KB |
Output is correct |
42 |
Correct |
430 ms |
30172 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
426 ms |
31268 KB |
Output is correct |
2 |
Correct |
427 ms |
31384 KB |
Output is correct |
3 |
Correct |
435 ms |
31260 KB |
Output is correct |
4 |
Correct |
425 ms |
31228 KB |
Output is correct |
5 |
Correct |
435 ms |
31240 KB |
Output is correct |
6 |
Correct |
426 ms |
31320 KB |
Output is correct |
7 |
Correct |
426 ms |
31280 KB |
Output is correct |
8 |
Correct |
431 ms |
31128 KB |
Output is correct |
9 |
Correct |
428 ms |
31132 KB |
Output is correct |
10 |
Correct |
450 ms |
31256 KB |
Output is correct |
11 |
Correct |
429 ms |
31172 KB |
Output is correct |
12 |
Correct |
430 ms |
31216 KB |
Output is correct |
13 |
Correct |
428 ms |
31180 KB |
Output is correct |
14 |
Correct |
434 ms |
31208 KB |
Output is correct |
15 |
Correct |
430 ms |
31328 KB |
Output is correct |
16 |
Correct |
423 ms |
31220 KB |
Output is correct |
17 |
Correct |
424 ms |
31184 KB |
Output is correct |
18 |
Correct |
423 ms |
31272 KB |
Output is correct |
19 |
Correct |
440 ms |
31204 KB |
Output is correct |
20 |
Correct |
424 ms |
31216 KB |
Output is correct |
21 |
Correct |
426 ms |
31216 KB |
Output is correct |
22 |
Correct |
427 ms |
30416 KB |
Output is correct |
23 |
Correct |
426 ms |
30252 KB |
Output is correct |
24 |
Correct |
429 ms |
30528 KB |
Output is correct |
25 |
Correct |
437 ms |
30172 KB |
Output is correct |
26 |
Correct |
434 ms |
30324 KB |
Output is correct |
27 |
Correct |
429 ms |
30520 KB |
Output is correct |
28 |
Correct |
431 ms |
30324 KB |
Output is correct |
29 |
Correct |
434 ms |
30248 KB |
Output is correct |
30 |
Correct |
432 ms |
30484 KB |
Output is correct |
31 |
Correct |
421 ms |
30136 KB |
Output is correct |
32 |
Correct |
423 ms |
30260 KB |
Output is correct |
33 |
Correct |
444 ms |
30432 KB |
Output is correct |
34 |
Correct |
429 ms |
30188 KB |
Output is correct |
35 |
Correct |
462 ms |
30336 KB |
Output is correct |
36 |
Correct |
431 ms |
30200 KB |
Output is correct |
37 |
Correct |
426 ms |
30228 KB |
Output is correct |
38 |
Correct |
444 ms |
30408 KB |
Output is correct |
39 |
Correct |
425 ms |
30264 KB |
Output is correct |
40 |
Correct |
427 ms |
30512 KB |
Output is correct |
41 |
Correct |
434 ms |
30268 KB |
Output is correct |
42 |
Correct |
430 ms |
30172 KB |
Output is correct |
43 |
Correct |
478 ms |
30604 KB |
Output is correct |
44 |
Correct |
467 ms |
31540 KB |
Output is correct |
45 |
Correct |
495 ms |
30948 KB |
Output is correct |
46 |
Correct |
481 ms |
30924 KB |
Output is correct |
47 |
Correct |
469 ms |
30936 KB |
Output is correct |
48 |
Correct |
475 ms |
31024 KB |
Output is correct |
49 |
Correct |
470 ms |
31316 KB |
Output is correct |
50 |
Correct |
471 ms |
30948 KB |
Output is correct |
51 |
Correct |
466 ms |
31580 KB |
Output is correct |
52 |
Correct |
464 ms |
31348 KB |
Output is correct |
53 |
Correct |
466 ms |
31444 KB |
Output is correct |
54 |
Correct |
463 ms |
31424 KB |
Output is correct |
55 |
Correct |
473 ms |
31416 KB |
Output is correct |
56 |
Correct |
470 ms |
31440 KB |
Output is correct |
57 |
Correct |
467 ms |
31284 KB |
Output is correct |
58 |
Correct |
478 ms |
31240 KB |
Output is correct |
59 |
Correct |
473 ms |
31024 KB |
Output is correct |
60 |
Correct |
475 ms |
31348 KB |
Output is correct |
61 |
Correct |
475 ms |
31076 KB |
Output is correct |
62 |
Correct |
460 ms |
31212 KB |
Output is correct |
63 |
Correct |
464 ms |
31084 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
426 ms |
31268 KB |
Output is correct |
2 |
Correct |
427 ms |
31384 KB |
Output is correct |
3 |
Correct |
435 ms |
31260 KB |
Output is correct |
4 |
Correct |
425 ms |
31228 KB |
Output is correct |
5 |
Correct |
435 ms |
31240 KB |
Output is correct |
6 |
Correct |
426 ms |
31320 KB |
Output is correct |
7 |
Correct |
426 ms |
31280 KB |
Output is correct |
8 |
Correct |
431 ms |
31128 KB |
Output is correct |
9 |
Correct |
428 ms |
31132 KB |
Output is correct |
10 |
Correct |
450 ms |
31256 KB |
Output is correct |
11 |
Correct |
429 ms |
31172 KB |
Output is correct |
12 |
Correct |
430 ms |
31216 KB |
Output is correct |
13 |
Correct |
428 ms |
31180 KB |
Output is correct |
14 |
Correct |
434 ms |
31208 KB |
Output is correct |
15 |
Correct |
430 ms |
31328 KB |
Output is correct |
16 |
Correct |
423 ms |
31220 KB |
Output is correct |
17 |
Correct |
424 ms |
31184 KB |
Output is correct |
18 |
Correct |
423 ms |
31272 KB |
Output is correct |
19 |
Correct |
440 ms |
31204 KB |
Output is correct |
20 |
Correct |
424 ms |
31216 KB |
Output is correct |
21 |
Correct |
426 ms |
31216 KB |
Output is correct |
22 |
Correct |
427 ms |
30416 KB |
Output is correct |
23 |
Correct |
426 ms |
30252 KB |
Output is correct |
24 |
Correct |
429 ms |
30528 KB |
Output is correct |
25 |
Correct |
437 ms |
30172 KB |
Output is correct |
26 |
Correct |
434 ms |
30324 KB |
Output is correct |
27 |
Correct |
429 ms |
30520 KB |
Output is correct |
28 |
Correct |
431 ms |
30324 KB |
Output is correct |
29 |
Correct |
434 ms |
30248 KB |
Output is correct |
30 |
Correct |
432 ms |
30484 KB |
Output is correct |
31 |
Correct |
421 ms |
30136 KB |
Output is correct |
32 |
Correct |
423 ms |
30260 KB |
Output is correct |
33 |
Correct |
444 ms |
30432 KB |
Output is correct |
34 |
Correct |
429 ms |
30188 KB |
Output is correct |
35 |
Correct |
462 ms |
30336 KB |
Output is correct |
36 |
Correct |
431 ms |
30200 KB |
Output is correct |
37 |
Correct |
426 ms |
30228 KB |
Output is correct |
38 |
Correct |
444 ms |
30408 KB |
Output is correct |
39 |
Correct |
425 ms |
30264 KB |
Output is correct |
40 |
Correct |
427 ms |
30512 KB |
Output is correct |
41 |
Correct |
434 ms |
30268 KB |
Output is correct |
42 |
Correct |
430 ms |
30172 KB |
Output is correct |
43 |
Correct |
478 ms |
30604 KB |
Output is correct |
44 |
Correct |
467 ms |
31540 KB |
Output is correct |
45 |
Correct |
495 ms |
30948 KB |
Output is correct |
46 |
Correct |
481 ms |
30924 KB |
Output is correct |
47 |
Correct |
469 ms |
30936 KB |
Output is correct |
48 |
Correct |
475 ms |
31024 KB |
Output is correct |
49 |
Correct |
470 ms |
31316 KB |
Output is correct |
50 |
Correct |
471 ms |
30948 KB |
Output is correct |
51 |
Correct |
466 ms |
31580 KB |
Output is correct |
52 |
Correct |
464 ms |
31348 KB |
Output is correct |
53 |
Correct |
466 ms |
31444 KB |
Output is correct |
54 |
Correct |
463 ms |
31424 KB |
Output is correct |
55 |
Correct |
473 ms |
31416 KB |
Output is correct |
56 |
Correct |
470 ms |
31440 KB |
Output is correct |
57 |
Correct |
467 ms |
31284 KB |
Output is correct |
58 |
Correct |
478 ms |
31240 KB |
Output is correct |
59 |
Correct |
473 ms |
31024 KB |
Output is correct |
60 |
Correct |
475 ms |
31348 KB |
Output is correct |
61 |
Correct |
475 ms |
31076 KB |
Output is correct |
62 |
Correct |
460 ms |
31212 KB |
Output is correct |
63 |
Correct |
464 ms |
31084 KB |
Output is correct |
64 |
Incorrect |
471 ms |
31432 KB |
Output isn't correct |
65 |
Halted |
0 ms |
0 KB |
- |