/* 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 = 63;
ll dp[100][100], d[70][70][70];
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 a = 0; a < S; ++a){
for(int b = 0; b < S; ++b){
for(int c = 0; c < S; ++c){
d[a][b][c] = 0;
for(int l = 0; l < S; ++l){
(d[a][b][c] += dp[a][l] * dp[b][l] * dp[c][l]) %= MOD;
}
}
}
}
for(int a = 0; a < S; ++a){
for(int b = 0; b < S; ++b){
for(int c = 0; c < S; ++c){
for(int e = 0; e < S; ++e){
(ans += (d[a][b][c] * d[a][b][e] % MOD) * (d[a][c][e] * d[b][c][e] % MOD)) %= 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:91:16: warning: unused variable 'aa' [-Wunused-variable]
91 | int T = 1, aa;
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1059 ms |
9072 KB |
Output is correct |
2 |
Correct |
1082 ms |
9068 KB |
Output is correct |
3 |
Correct |
1053 ms |
8984 KB |
Output is correct |
4 |
Correct |
1062 ms |
9112 KB |
Output is correct |
5 |
Correct |
1077 ms |
9008 KB |
Output is correct |
6 |
Correct |
1076 ms |
8944 KB |
Output is correct |
7 |
Correct |
1077 ms |
9096 KB |
Output is correct |
8 |
Correct |
1078 ms |
9004 KB |
Output is correct |
9 |
Correct |
1094 ms |
8928 KB |
Output is correct |
10 |
Correct |
1073 ms |
9064 KB |
Output is correct |
11 |
Correct |
1067 ms |
8900 KB |
Output is correct |
12 |
Correct |
1062 ms |
9048 KB |
Output is correct |
13 |
Execution timed out |
1107 ms |
9008 KB |
Time limit exceeded |
14 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1059 ms |
9072 KB |
Output is correct |
2 |
Correct |
1082 ms |
9068 KB |
Output is correct |
3 |
Correct |
1053 ms |
8984 KB |
Output is correct |
4 |
Correct |
1062 ms |
9112 KB |
Output is correct |
5 |
Correct |
1077 ms |
9008 KB |
Output is correct |
6 |
Correct |
1076 ms |
8944 KB |
Output is correct |
7 |
Correct |
1077 ms |
9096 KB |
Output is correct |
8 |
Correct |
1078 ms |
9004 KB |
Output is correct |
9 |
Correct |
1094 ms |
8928 KB |
Output is correct |
10 |
Correct |
1073 ms |
9064 KB |
Output is correct |
11 |
Correct |
1067 ms |
8900 KB |
Output is correct |
12 |
Correct |
1062 ms |
9048 KB |
Output is correct |
13 |
Execution timed out |
1107 ms |
9008 KB |
Time limit exceeded |
14 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1059 ms |
9072 KB |
Output is correct |
2 |
Correct |
1082 ms |
9068 KB |
Output is correct |
3 |
Correct |
1053 ms |
8984 KB |
Output is correct |
4 |
Correct |
1062 ms |
9112 KB |
Output is correct |
5 |
Correct |
1077 ms |
9008 KB |
Output is correct |
6 |
Correct |
1076 ms |
8944 KB |
Output is correct |
7 |
Correct |
1077 ms |
9096 KB |
Output is correct |
8 |
Correct |
1078 ms |
9004 KB |
Output is correct |
9 |
Correct |
1094 ms |
8928 KB |
Output is correct |
10 |
Correct |
1073 ms |
9064 KB |
Output is correct |
11 |
Correct |
1067 ms |
8900 KB |
Output is correct |
12 |
Correct |
1062 ms |
9048 KB |
Output is correct |
13 |
Execution timed out |
1107 ms |
9008 KB |
Time limit exceeded |
14 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1059 ms |
9072 KB |
Output is correct |
2 |
Correct |
1082 ms |
9068 KB |
Output is correct |
3 |
Correct |
1053 ms |
8984 KB |
Output is correct |
4 |
Correct |
1062 ms |
9112 KB |
Output is correct |
5 |
Correct |
1077 ms |
9008 KB |
Output is correct |
6 |
Correct |
1076 ms |
8944 KB |
Output is correct |
7 |
Correct |
1077 ms |
9096 KB |
Output is correct |
8 |
Correct |
1078 ms |
9004 KB |
Output is correct |
9 |
Correct |
1094 ms |
8928 KB |
Output is correct |
10 |
Correct |
1073 ms |
9064 KB |
Output is correct |
11 |
Correct |
1067 ms |
8900 KB |
Output is correct |
12 |
Correct |
1062 ms |
9048 KB |
Output is correct |
13 |
Execution timed out |
1107 ms |
9008 KB |
Time limit exceeded |
14 |
Halted |
0 ms |
0 KB |
- |