/* Author : Mychecksdead */
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD1 (1000000000+7)
#define MOD (998244353)
#define PI 3.1415926535
#define pb push_back
#define setp() cout << setprecision(15)
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " is " << x << '\n';
const int N = 1e6+100, M = 1e5+10, F = 2147483646, K = 20;
int n, S = 16;
ll dp[100][100];
vector<string> s[15];
bool is_palindrome(string &a){
bool ok = 1;
int x = a.length();
for(int i = 0; i < x / 2; ++i) ok &= (a[i] == a[x - i - 1]);
return ok;
}
void solve(){
cin >> n;
for(int i = 0; i < n; ++i){
string a; cin >> a;
// for(char &c: a) if(!(c >= 'a' && c <= 'p')) c = 'p' + (c - 'A') + 1;
s[a.length()].pb(a);
}
ll ans = 0;
for(int i = 1; i < 15; ++i){
if(s[i].empty()) continue;
for(int j = 0; j < S; ++j) for(int k = 0; k < S; ++k) dp[j][k] = 0;
map<string, bool> used;
for(auto a: s[i]){
if(used[a]) continue;
if(is_palindrome(a)){
dp[a[0] - 'a'][a[0] - 'a']++;
}else{
dp[a[0] - 'a'][a.back() - 'a']++;
dp[a.back() - 'a'][a[0] - 'a']++;
}
reverse(all(a));
used[a] = 1;
}
for(int left = 0; left < S*S; ++left){
int x = left / S, y = left % S;
for(int right = 0; right < S*S; ++right){
int z = right / S, w = right % S;
ll p = (dp[x][y] * dp[z][w]) % MOD;
ll P = 0;
for(int middle = 0; middle < S*S; ++middle){
int k = middle / S, l = middle % S;
ll pp = (dp[k][l] * dp[x][k] * dp[y][l]) % MOD;
ll ppp = (dp[z][k] * dp[w][l]) % MOD;
(P += ppp * pp) %= MOD;
}
(P *= P) %= MOD;
(ans += P * p) %= MOD;
}
}
}
cout << ans;
}
int main(){
cin.tie(0); ios::sync_with_stdio(0);
int T = 1, aa;
// cin >> T;aa=T;
while(T--){
// cout << "Case #" << aa-T << ": ";
solve();
}
return 0;
}
Compilation message
cubeword.cpp: In function 'int main()':
cubeword.cpp:80:16: warning: unused variable 'aa' [-Wunused-variable]
80 | int T = 1, aa;
| ^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
994 ms |
6568 KB |
Output is correct |
2 |
Correct |
986 ms |
6644 KB |
Output is correct |
3 |
Correct |
994 ms |
6660 KB |
Output is correct |
4 |
Correct |
1002 ms |
6436 KB |
Output is correct |
5 |
Correct |
988 ms |
6516 KB |
Output is correct |
6 |
Correct |
997 ms |
6468 KB |
Output is correct |
7 |
Correct |
1004 ms |
6536 KB |
Output is correct |
8 |
Correct |
999 ms |
6620 KB |
Output is correct |
9 |
Correct |
1022 ms |
6608 KB |
Output is correct |
10 |
Correct |
1004 ms |
6600 KB |
Output is correct |
11 |
Correct |
1010 ms |
6544 KB |
Output is correct |
12 |
Correct |
1008 ms |
6528 KB |
Output is correct |
13 |
Correct |
990 ms |
6648 KB |
Output is correct |
14 |
Correct |
971 ms |
6480 KB |
Output is correct |
15 |
Correct |
999 ms |
6480 KB |
Output is correct |
16 |
Correct |
1055 ms |
6576 KB |
Output is correct |
17 |
Correct |
990 ms |
6688 KB |
Output is correct |
18 |
Correct |
1008 ms |
6484 KB |
Output is correct |
19 |
Correct |
1006 ms |
6496 KB |
Output is correct |
20 |
Correct |
996 ms |
6512 KB |
Output is correct |
21 |
Correct |
1010 ms |
6532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
994 ms |
6568 KB |
Output is correct |
2 |
Correct |
986 ms |
6644 KB |
Output is correct |
3 |
Correct |
994 ms |
6660 KB |
Output is correct |
4 |
Correct |
1002 ms |
6436 KB |
Output is correct |
5 |
Correct |
988 ms |
6516 KB |
Output is correct |
6 |
Correct |
997 ms |
6468 KB |
Output is correct |
7 |
Correct |
1004 ms |
6536 KB |
Output is correct |
8 |
Correct |
999 ms |
6620 KB |
Output is correct |
9 |
Correct |
1022 ms |
6608 KB |
Output is correct |
10 |
Correct |
1004 ms |
6600 KB |
Output is correct |
11 |
Correct |
1010 ms |
6544 KB |
Output is correct |
12 |
Correct |
1008 ms |
6528 KB |
Output is correct |
13 |
Correct |
990 ms |
6648 KB |
Output is correct |
14 |
Correct |
971 ms |
6480 KB |
Output is correct |
15 |
Correct |
999 ms |
6480 KB |
Output is correct |
16 |
Correct |
1055 ms |
6576 KB |
Output is correct |
17 |
Correct |
990 ms |
6688 KB |
Output is correct |
18 |
Correct |
1008 ms |
6484 KB |
Output is correct |
19 |
Correct |
1006 ms |
6496 KB |
Output is correct |
20 |
Correct |
996 ms |
6512 KB |
Output is correct |
21 |
Correct |
1010 ms |
6532 KB |
Output is correct |
22 |
Correct |
1024 ms |
5704 KB |
Output is correct |
23 |
Correct |
1004 ms |
6480 KB |
Output is correct |
24 |
Correct |
988 ms |
6464 KB |
Output is correct |
25 |
Correct |
994 ms |
6456 KB |
Output is correct |
26 |
Correct |
1030 ms |
6460 KB |
Output is correct |
27 |
Correct |
998 ms |
6504 KB |
Output is correct |
28 |
Correct |
1061 ms |
6544 KB |
Output is correct |
29 |
Correct |
984 ms |
6480 KB |
Output is correct |
30 |
Correct |
987 ms |
6468 KB |
Output is correct |
31 |
Correct |
1020 ms |
6460 KB |
Output is correct |
32 |
Correct |
988 ms |
6588 KB |
Output is correct |
33 |
Correct |
999 ms |
6556 KB |
Output is correct |
34 |
Correct |
983 ms |
6520 KB |
Output is correct |
35 |
Correct |
988 ms |
6480 KB |
Output is correct |
36 |
Correct |
1036 ms |
6440 KB |
Output is correct |
37 |
Correct |
1006 ms |
6380 KB |
Output is correct |
38 |
Correct |
988 ms |
6488 KB |
Output is correct |
39 |
Correct |
1004 ms |
6444 KB |
Output is correct |
40 |
Correct |
1004 ms |
6468 KB |
Output is correct |
41 |
Correct |
1026 ms |
6424 KB |
Output is correct |
42 |
Correct |
991 ms |
6532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
994 ms |
6568 KB |
Output is correct |
2 |
Correct |
986 ms |
6644 KB |
Output is correct |
3 |
Correct |
994 ms |
6660 KB |
Output is correct |
4 |
Correct |
1002 ms |
6436 KB |
Output is correct |
5 |
Correct |
988 ms |
6516 KB |
Output is correct |
6 |
Correct |
997 ms |
6468 KB |
Output is correct |
7 |
Correct |
1004 ms |
6536 KB |
Output is correct |
8 |
Correct |
999 ms |
6620 KB |
Output is correct |
9 |
Correct |
1022 ms |
6608 KB |
Output is correct |
10 |
Correct |
1004 ms |
6600 KB |
Output is correct |
11 |
Correct |
1010 ms |
6544 KB |
Output is correct |
12 |
Correct |
1008 ms |
6528 KB |
Output is correct |
13 |
Correct |
990 ms |
6648 KB |
Output is correct |
14 |
Correct |
971 ms |
6480 KB |
Output is correct |
15 |
Correct |
999 ms |
6480 KB |
Output is correct |
16 |
Correct |
1055 ms |
6576 KB |
Output is correct |
17 |
Correct |
990 ms |
6688 KB |
Output is correct |
18 |
Correct |
1008 ms |
6484 KB |
Output is correct |
19 |
Correct |
1006 ms |
6496 KB |
Output is correct |
20 |
Correct |
996 ms |
6512 KB |
Output is correct |
21 |
Correct |
1010 ms |
6532 KB |
Output is correct |
22 |
Correct |
1024 ms |
5704 KB |
Output is correct |
23 |
Correct |
1004 ms |
6480 KB |
Output is correct |
24 |
Correct |
988 ms |
6464 KB |
Output is correct |
25 |
Correct |
994 ms |
6456 KB |
Output is correct |
26 |
Correct |
1030 ms |
6460 KB |
Output is correct |
27 |
Correct |
998 ms |
6504 KB |
Output is correct |
28 |
Correct |
1061 ms |
6544 KB |
Output is correct |
29 |
Correct |
984 ms |
6480 KB |
Output is correct |
30 |
Correct |
987 ms |
6468 KB |
Output is correct |
31 |
Correct |
1020 ms |
6460 KB |
Output is correct |
32 |
Correct |
988 ms |
6588 KB |
Output is correct |
33 |
Correct |
999 ms |
6556 KB |
Output is correct |
34 |
Correct |
983 ms |
6520 KB |
Output is correct |
35 |
Correct |
988 ms |
6480 KB |
Output is correct |
36 |
Correct |
1036 ms |
6440 KB |
Output is correct |
37 |
Correct |
1006 ms |
6380 KB |
Output is correct |
38 |
Correct |
988 ms |
6488 KB |
Output is correct |
39 |
Correct |
1004 ms |
6444 KB |
Output is correct |
40 |
Correct |
1004 ms |
6468 KB |
Output is correct |
41 |
Correct |
1026 ms |
6424 KB |
Output is correct |
42 |
Correct |
991 ms |
6532 KB |
Output is correct |
43 |
Runtime error |
14 ms |
8348 KB |
Execution killed with signal 11 |
44 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
994 ms |
6568 KB |
Output is correct |
2 |
Correct |
986 ms |
6644 KB |
Output is correct |
3 |
Correct |
994 ms |
6660 KB |
Output is correct |
4 |
Correct |
1002 ms |
6436 KB |
Output is correct |
5 |
Correct |
988 ms |
6516 KB |
Output is correct |
6 |
Correct |
997 ms |
6468 KB |
Output is correct |
7 |
Correct |
1004 ms |
6536 KB |
Output is correct |
8 |
Correct |
999 ms |
6620 KB |
Output is correct |
9 |
Correct |
1022 ms |
6608 KB |
Output is correct |
10 |
Correct |
1004 ms |
6600 KB |
Output is correct |
11 |
Correct |
1010 ms |
6544 KB |
Output is correct |
12 |
Correct |
1008 ms |
6528 KB |
Output is correct |
13 |
Correct |
990 ms |
6648 KB |
Output is correct |
14 |
Correct |
971 ms |
6480 KB |
Output is correct |
15 |
Correct |
999 ms |
6480 KB |
Output is correct |
16 |
Correct |
1055 ms |
6576 KB |
Output is correct |
17 |
Correct |
990 ms |
6688 KB |
Output is correct |
18 |
Correct |
1008 ms |
6484 KB |
Output is correct |
19 |
Correct |
1006 ms |
6496 KB |
Output is correct |
20 |
Correct |
996 ms |
6512 KB |
Output is correct |
21 |
Correct |
1010 ms |
6532 KB |
Output is correct |
22 |
Correct |
1024 ms |
5704 KB |
Output is correct |
23 |
Correct |
1004 ms |
6480 KB |
Output is correct |
24 |
Correct |
988 ms |
6464 KB |
Output is correct |
25 |
Correct |
994 ms |
6456 KB |
Output is correct |
26 |
Correct |
1030 ms |
6460 KB |
Output is correct |
27 |
Correct |
998 ms |
6504 KB |
Output is correct |
28 |
Correct |
1061 ms |
6544 KB |
Output is correct |
29 |
Correct |
984 ms |
6480 KB |
Output is correct |
30 |
Correct |
987 ms |
6468 KB |
Output is correct |
31 |
Correct |
1020 ms |
6460 KB |
Output is correct |
32 |
Correct |
988 ms |
6588 KB |
Output is correct |
33 |
Correct |
999 ms |
6556 KB |
Output is correct |
34 |
Correct |
983 ms |
6520 KB |
Output is correct |
35 |
Correct |
988 ms |
6480 KB |
Output is correct |
36 |
Correct |
1036 ms |
6440 KB |
Output is correct |
37 |
Correct |
1006 ms |
6380 KB |
Output is correct |
38 |
Correct |
988 ms |
6488 KB |
Output is correct |
39 |
Correct |
1004 ms |
6444 KB |
Output is correct |
40 |
Correct |
1004 ms |
6468 KB |
Output is correct |
41 |
Correct |
1026 ms |
6424 KB |
Output is correct |
42 |
Correct |
991 ms |
6532 KB |
Output is correct |
43 |
Runtime error |
14 ms |
8348 KB |
Execution killed with signal 11 |
44 |
Halted |
0 ms |
0 KB |
- |