/* 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], d[N];
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 >= '0' && c <= '9'){
c = 'z' + 26 + (c - '0') + 1;
}
else if(!(c >= 'a' && c <= 'z')){
c = 'z' + (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 mask = 0; mask < S*S*S; mask++){
int x = mask % S, y = (mask / S) % S, z = mask / S / S;
d[mask] = 0;
for(int l = 0; l < S; ++l){
(d[mask] += dp[x][l] * dp[y][l] * dp[z][l]) %= MOD;
}
}
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 l = 0; l < S; ++l){
ll pp = (dp[x][l] * dp[z][l]) % MOD;
(P += pp * d[y + l * S + w * S * S]) %= 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:96:16: warning: unused variable 'aa' [-Wunused-variable]
96 | int T = 1, aa;
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
129 ms |
6456 KB |
Output is correct |
2 |
Correct |
127 ms |
6484 KB |
Output is correct |
3 |
Correct |
110 ms |
6524 KB |
Output is correct |
4 |
Correct |
110 ms |
6544 KB |
Output is correct |
5 |
Correct |
120 ms |
6456 KB |
Output is correct |
6 |
Correct |
125 ms |
6524 KB |
Output is correct |
7 |
Correct |
122 ms |
6552 KB |
Output is correct |
8 |
Correct |
110 ms |
6576 KB |
Output is correct |
9 |
Correct |
111 ms |
6484 KB |
Output is correct |
10 |
Correct |
134 ms |
6512 KB |
Output is correct |
11 |
Correct |
118 ms |
6460 KB |
Output is correct |
12 |
Correct |
110 ms |
6512 KB |
Output is correct |
13 |
Correct |
110 ms |
6556 KB |
Output is correct |
14 |
Correct |
110 ms |
6512 KB |
Output is correct |
15 |
Correct |
117 ms |
6524 KB |
Output is correct |
16 |
Correct |
115 ms |
6548 KB |
Output is correct |
17 |
Correct |
112 ms |
6560 KB |
Output is correct |
18 |
Correct |
116 ms |
6524 KB |
Output is correct |
19 |
Correct |
129 ms |
6500 KB |
Output is correct |
20 |
Correct |
110 ms |
6432 KB |
Output is correct |
21 |
Correct |
114 ms |
6404 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
129 ms |
6456 KB |
Output is correct |
2 |
Correct |
127 ms |
6484 KB |
Output is correct |
3 |
Correct |
110 ms |
6524 KB |
Output is correct |
4 |
Correct |
110 ms |
6544 KB |
Output is correct |
5 |
Correct |
120 ms |
6456 KB |
Output is correct |
6 |
Correct |
125 ms |
6524 KB |
Output is correct |
7 |
Correct |
122 ms |
6552 KB |
Output is correct |
8 |
Correct |
110 ms |
6576 KB |
Output is correct |
9 |
Correct |
111 ms |
6484 KB |
Output is correct |
10 |
Correct |
134 ms |
6512 KB |
Output is correct |
11 |
Correct |
118 ms |
6460 KB |
Output is correct |
12 |
Correct |
110 ms |
6512 KB |
Output is correct |
13 |
Correct |
110 ms |
6556 KB |
Output is correct |
14 |
Correct |
110 ms |
6512 KB |
Output is correct |
15 |
Correct |
117 ms |
6524 KB |
Output is correct |
16 |
Correct |
115 ms |
6548 KB |
Output is correct |
17 |
Correct |
112 ms |
6560 KB |
Output is correct |
18 |
Correct |
116 ms |
6524 KB |
Output is correct |
19 |
Correct |
129 ms |
6500 KB |
Output is correct |
20 |
Correct |
110 ms |
6432 KB |
Output is correct |
21 |
Correct |
114 ms |
6404 KB |
Output is correct |
22 |
Correct |
136 ms |
5696 KB |
Output is correct |
23 |
Correct |
121 ms |
5724 KB |
Output is correct |
24 |
Correct |
110 ms |
5704 KB |
Output is correct |
25 |
Correct |
109 ms |
5728 KB |
Output is correct |
26 |
Correct |
110 ms |
5636 KB |
Output is correct |
27 |
Correct |
114 ms |
5704 KB |
Output is correct |
28 |
Correct |
114 ms |
5676 KB |
Output is correct |
29 |
Correct |
110 ms |
5680 KB |
Output is correct |
30 |
Correct |
113 ms |
5840 KB |
Output is correct |
31 |
Correct |
109 ms |
5656 KB |
Output is correct |
32 |
Correct |
126 ms |
5664 KB |
Output is correct |
33 |
Correct |
111 ms |
5716 KB |
Output is correct |
34 |
Correct |
109 ms |
5652 KB |
Output is correct |
35 |
Correct |
117 ms |
5740 KB |
Output is correct |
36 |
Correct |
113 ms |
5720 KB |
Output is correct |
37 |
Correct |
117 ms |
5724 KB |
Output is correct |
38 |
Correct |
112 ms |
5656 KB |
Output is correct |
39 |
Correct |
109 ms |
5672 KB |
Output is correct |
40 |
Correct |
120 ms |
5724 KB |
Output is correct |
41 |
Correct |
136 ms |
5796 KB |
Output is correct |
42 |
Correct |
128 ms |
5756 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
129 ms |
6456 KB |
Output is correct |
2 |
Correct |
127 ms |
6484 KB |
Output is correct |
3 |
Correct |
110 ms |
6524 KB |
Output is correct |
4 |
Correct |
110 ms |
6544 KB |
Output is correct |
5 |
Correct |
120 ms |
6456 KB |
Output is correct |
6 |
Correct |
125 ms |
6524 KB |
Output is correct |
7 |
Correct |
122 ms |
6552 KB |
Output is correct |
8 |
Correct |
110 ms |
6576 KB |
Output is correct |
9 |
Correct |
111 ms |
6484 KB |
Output is correct |
10 |
Correct |
134 ms |
6512 KB |
Output is correct |
11 |
Correct |
118 ms |
6460 KB |
Output is correct |
12 |
Correct |
110 ms |
6512 KB |
Output is correct |
13 |
Correct |
110 ms |
6556 KB |
Output is correct |
14 |
Correct |
110 ms |
6512 KB |
Output is correct |
15 |
Correct |
117 ms |
6524 KB |
Output is correct |
16 |
Correct |
115 ms |
6548 KB |
Output is correct |
17 |
Correct |
112 ms |
6560 KB |
Output is correct |
18 |
Correct |
116 ms |
6524 KB |
Output is correct |
19 |
Correct |
129 ms |
6500 KB |
Output is correct |
20 |
Correct |
110 ms |
6432 KB |
Output is correct |
21 |
Correct |
114 ms |
6404 KB |
Output is correct |
22 |
Correct |
136 ms |
5696 KB |
Output is correct |
23 |
Correct |
121 ms |
5724 KB |
Output is correct |
24 |
Correct |
110 ms |
5704 KB |
Output is correct |
25 |
Correct |
109 ms |
5728 KB |
Output is correct |
26 |
Correct |
110 ms |
5636 KB |
Output is correct |
27 |
Correct |
114 ms |
5704 KB |
Output is correct |
28 |
Correct |
114 ms |
5676 KB |
Output is correct |
29 |
Correct |
110 ms |
5680 KB |
Output is correct |
30 |
Correct |
113 ms |
5840 KB |
Output is correct |
31 |
Correct |
109 ms |
5656 KB |
Output is correct |
32 |
Correct |
126 ms |
5664 KB |
Output is correct |
33 |
Correct |
111 ms |
5716 KB |
Output is correct |
34 |
Correct |
109 ms |
5652 KB |
Output is correct |
35 |
Correct |
117 ms |
5740 KB |
Output is correct |
36 |
Correct |
113 ms |
5720 KB |
Output is correct |
37 |
Correct |
117 ms |
5724 KB |
Output is correct |
38 |
Correct |
112 ms |
5656 KB |
Output is correct |
39 |
Correct |
109 ms |
5672 KB |
Output is correct |
40 |
Correct |
120 ms |
5724 KB |
Output is correct |
41 |
Correct |
136 ms |
5796 KB |
Output is correct |
42 |
Correct |
128 ms |
5756 KB |
Output is correct |
43 |
Incorrect |
159 ms |
5544 KB |
Output isn't correct |
44 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
129 ms |
6456 KB |
Output is correct |
2 |
Correct |
127 ms |
6484 KB |
Output is correct |
3 |
Correct |
110 ms |
6524 KB |
Output is correct |
4 |
Correct |
110 ms |
6544 KB |
Output is correct |
5 |
Correct |
120 ms |
6456 KB |
Output is correct |
6 |
Correct |
125 ms |
6524 KB |
Output is correct |
7 |
Correct |
122 ms |
6552 KB |
Output is correct |
8 |
Correct |
110 ms |
6576 KB |
Output is correct |
9 |
Correct |
111 ms |
6484 KB |
Output is correct |
10 |
Correct |
134 ms |
6512 KB |
Output is correct |
11 |
Correct |
118 ms |
6460 KB |
Output is correct |
12 |
Correct |
110 ms |
6512 KB |
Output is correct |
13 |
Correct |
110 ms |
6556 KB |
Output is correct |
14 |
Correct |
110 ms |
6512 KB |
Output is correct |
15 |
Correct |
117 ms |
6524 KB |
Output is correct |
16 |
Correct |
115 ms |
6548 KB |
Output is correct |
17 |
Correct |
112 ms |
6560 KB |
Output is correct |
18 |
Correct |
116 ms |
6524 KB |
Output is correct |
19 |
Correct |
129 ms |
6500 KB |
Output is correct |
20 |
Correct |
110 ms |
6432 KB |
Output is correct |
21 |
Correct |
114 ms |
6404 KB |
Output is correct |
22 |
Correct |
136 ms |
5696 KB |
Output is correct |
23 |
Correct |
121 ms |
5724 KB |
Output is correct |
24 |
Correct |
110 ms |
5704 KB |
Output is correct |
25 |
Correct |
109 ms |
5728 KB |
Output is correct |
26 |
Correct |
110 ms |
5636 KB |
Output is correct |
27 |
Correct |
114 ms |
5704 KB |
Output is correct |
28 |
Correct |
114 ms |
5676 KB |
Output is correct |
29 |
Correct |
110 ms |
5680 KB |
Output is correct |
30 |
Correct |
113 ms |
5840 KB |
Output is correct |
31 |
Correct |
109 ms |
5656 KB |
Output is correct |
32 |
Correct |
126 ms |
5664 KB |
Output is correct |
33 |
Correct |
111 ms |
5716 KB |
Output is correct |
34 |
Correct |
109 ms |
5652 KB |
Output is correct |
35 |
Correct |
117 ms |
5740 KB |
Output is correct |
36 |
Correct |
113 ms |
5720 KB |
Output is correct |
37 |
Correct |
117 ms |
5724 KB |
Output is correct |
38 |
Correct |
112 ms |
5656 KB |
Output is correct |
39 |
Correct |
109 ms |
5672 KB |
Output is correct |
40 |
Correct |
120 ms |
5724 KB |
Output is correct |
41 |
Correct |
136 ms |
5796 KB |
Output is correct |
42 |
Correct |
128 ms |
5756 KB |
Output is correct |
43 |
Incorrect |
159 ms |
5544 KB |
Output isn't correct |
44 |
Halted |
0 ms |
0 KB |
- |