#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#pragma GCC target("popcnt")
using namespace std;
using ll = long long;
using ull = unsigned long long;
using lld = long double;
using vi = vector<int>;
using vll = vector<ll>;
using ii = pair<int,int>;
using pll = pair<ll, ll>;
using vii = vector<ii>;
using vpll = vector<pll>;
#define endl '\n'
#define all(x) x.begin(),x.end()
#define lsb(x) x&(-x)
#define gcd(a,b) __gcd(a,b)
#define sz(x) (int)x.size()
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define fls cout.flush()
#define fore(i,l,r) for(auto i=l;i<r;i++)
#define fo(i,n) fore(i,0,n)
#define forex(i,r,l) for(auto i=r; i>=l;i--)
#define ffo(i,n) forex(i,n-1,0)
bool cmin(int &a, int b){if(b<a){a=b;return 1;}return 0;}
bool cmax(int &a, int b){if(b>a){a=b;return 1;}return 0;}
void valid(ll in){cout<<((in)?"YES\n":"NO\n");}
ll lcm(ll a, ll b){return (a/gcd(a,b))*b;}
ll gauss(ll n){return (n*(n+1))/2;}
const int N = 1e5 + 7, LOG=20,mod=998244353;
int n,X=0;
ll cnt[11][64][64][64], cnt2[11][64][64];
string s[N];
map<char, int> let;
void test_case(){
cin>>n;
set<string> st;
fo(i,n){
cin>>s[i];
int t=sz(s[i]);
st.insert(s[i]);
reverse(all(s[i]));
st.insert(s[i]);
}
for(auto e:st)cnt2[sz(e)][let[e[0]]][let[e.back()]]++;
fore(t, 3, 11){
fo(d,X){
fo(a,X){
if(cnt2[t][d][a]==0)continue;
fo(b,X){
if(cnt2[t][b][d]==0)continue;
fo(c,X){
if(cnt2[t][d][c]==0)continue;
ll aa=cnt2[t][d][a];
aa=aa*cnt2[t][b][d];
aa=aa*cnt2[t][d][c];
cnt[t][a][b][c]=(cnt[t][a][b][c]+aa)%mod;
}
}
}
}
}
ll ans=0;
fore(t, 3, 11){
fo(i,X){
fore(j,i,X){
fore(k,j,X){
fore(l,k,X){
if(min({cnt[t][i][j][k],cnt[t][l][i][j],cnt[t][l][k][j],cnt[t][i][l][k]})==0)continue;
int a[4]={1,1,1,1}, p;
if(i==j) a[1]+=a[0];
if(j==k) a[2]+=a[1];
if(k==l) a[3]+=a[2];
p=24/(a[0]*a[1]*a[2]*a[3]);
ans+=cnt[t][i][j][k]*cnt[t][i][j][l]%mod*cnt[t][i][k][l]%mod*cnt[t][j][k][l]%mod*p%mod;
ans%=mod;
}
}
}
}
}
ans%=mod;
cout<<ans<<endl;
}
int main(){cin.tie(0)->sync_with_stdio(0);
for(char a='a';a<='z';a++)let[a]=X++;
for(char a='A';a<='Z';a++)let[a]=X++;
for(char a='0';a<='9';a++)let[a]=X++;
int t=1;
// cin >> t;
while(t--)test_case();
}
Compilation message
cubeword.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
4 | #pragma GCC optimization ("O3")
|
cubeword.cpp:5: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
5 | #pragma GCC optimization ("unroll-loops")
|
cubeword.cpp: In function 'void test_case()':
cubeword.cpp:50:13: warning: unused variable 't' [-Wunused-variable]
50 | int t=sz(s[i]);
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
110 ms |
19568 KB |
Output is correct |
2 |
Correct |
114 ms |
19536 KB |
Output is correct |
3 |
Correct |
112 ms |
19544 KB |
Output is correct |
4 |
Correct |
110 ms |
19540 KB |
Output is correct |
5 |
Correct |
105 ms |
19536 KB |
Output is correct |
6 |
Correct |
134 ms |
19536 KB |
Output is correct |
7 |
Correct |
118 ms |
19580 KB |
Output is correct |
8 |
Correct |
111 ms |
19448 KB |
Output is correct |
9 |
Correct |
116 ms |
19536 KB |
Output is correct |
10 |
Correct |
112 ms |
19540 KB |
Output is correct |
11 |
Correct |
101 ms |
19540 KB |
Output is correct |
12 |
Correct |
117 ms |
19468 KB |
Output is correct |
13 |
Correct |
121 ms |
19536 KB |
Output is correct |
14 |
Correct |
111 ms |
19604 KB |
Output is correct |
15 |
Correct |
111 ms |
19448 KB |
Output is correct |
16 |
Correct |
117 ms |
19540 KB |
Output is correct |
17 |
Correct |
122 ms |
19540 KB |
Output is correct |
18 |
Correct |
114 ms |
19372 KB |
Output is correct |
19 |
Correct |
127 ms |
19480 KB |
Output is correct |
20 |
Correct |
120 ms |
19540 KB |
Output is correct |
21 |
Correct |
120 ms |
19536 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
110 ms |
19568 KB |
Output is correct |
2 |
Correct |
114 ms |
19536 KB |
Output is correct |
3 |
Correct |
112 ms |
19544 KB |
Output is correct |
4 |
Correct |
110 ms |
19540 KB |
Output is correct |
5 |
Correct |
105 ms |
19536 KB |
Output is correct |
6 |
Correct |
134 ms |
19536 KB |
Output is correct |
7 |
Correct |
118 ms |
19580 KB |
Output is correct |
8 |
Correct |
111 ms |
19448 KB |
Output is correct |
9 |
Correct |
116 ms |
19536 KB |
Output is correct |
10 |
Correct |
112 ms |
19540 KB |
Output is correct |
11 |
Correct |
101 ms |
19540 KB |
Output is correct |
12 |
Correct |
117 ms |
19468 KB |
Output is correct |
13 |
Correct |
121 ms |
19536 KB |
Output is correct |
14 |
Correct |
111 ms |
19604 KB |
Output is correct |
15 |
Correct |
111 ms |
19448 KB |
Output is correct |
16 |
Correct |
117 ms |
19540 KB |
Output is correct |
17 |
Correct |
122 ms |
19540 KB |
Output is correct |
18 |
Correct |
114 ms |
19372 KB |
Output is correct |
19 |
Correct |
127 ms |
19480 KB |
Output is correct |
20 |
Correct |
120 ms |
19540 KB |
Output is correct |
21 |
Correct |
120 ms |
19536 KB |
Output is correct |
22 |
Correct |
128 ms |
21332 KB |
Output is correct |
23 |
Correct |
125 ms |
21328 KB |
Output is correct |
24 |
Correct |
132 ms |
21328 KB |
Output is correct |
25 |
Correct |
125 ms |
21332 KB |
Output is correct |
26 |
Correct |
128 ms |
21328 KB |
Output is correct |
27 |
Correct |
124 ms |
21216 KB |
Output is correct |
28 |
Correct |
125 ms |
21332 KB |
Output is correct |
29 |
Correct |
125 ms |
21216 KB |
Output is correct |
30 |
Correct |
122 ms |
21328 KB |
Output is correct |
31 |
Correct |
151 ms |
21328 KB |
Output is correct |
32 |
Correct |
117 ms |
21328 KB |
Output is correct |
33 |
Correct |
123 ms |
21304 KB |
Output is correct |
34 |
Correct |
120 ms |
21332 KB |
Output is correct |
35 |
Correct |
133 ms |
21328 KB |
Output is correct |
36 |
Correct |
124 ms |
21188 KB |
Output is correct |
37 |
Correct |
122 ms |
21332 KB |
Output is correct |
38 |
Correct |
127 ms |
21328 KB |
Output is correct |
39 |
Correct |
129 ms |
21336 KB |
Output is correct |
40 |
Correct |
126 ms |
21236 KB |
Output is correct |
41 |
Correct |
141 ms |
21332 KB |
Output is correct |
42 |
Correct |
125 ms |
21328 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
110 ms |
19568 KB |
Output is correct |
2 |
Correct |
114 ms |
19536 KB |
Output is correct |
3 |
Correct |
112 ms |
19544 KB |
Output is correct |
4 |
Correct |
110 ms |
19540 KB |
Output is correct |
5 |
Correct |
105 ms |
19536 KB |
Output is correct |
6 |
Correct |
134 ms |
19536 KB |
Output is correct |
7 |
Correct |
118 ms |
19580 KB |
Output is correct |
8 |
Correct |
111 ms |
19448 KB |
Output is correct |
9 |
Correct |
116 ms |
19536 KB |
Output is correct |
10 |
Correct |
112 ms |
19540 KB |
Output is correct |
11 |
Correct |
101 ms |
19540 KB |
Output is correct |
12 |
Correct |
117 ms |
19468 KB |
Output is correct |
13 |
Correct |
121 ms |
19536 KB |
Output is correct |
14 |
Correct |
111 ms |
19604 KB |
Output is correct |
15 |
Correct |
111 ms |
19448 KB |
Output is correct |
16 |
Correct |
117 ms |
19540 KB |
Output is correct |
17 |
Correct |
122 ms |
19540 KB |
Output is correct |
18 |
Correct |
114 ms |
19372 KB |
Output is correct |
19 |
Correct |
127 ms |
19480 KB |
Output is correct |
20 |
Correct |
120 ms |
19540 KB |
Output is correct |
21 |
Correct |
120 ms |
19536 KB |
Output is correct |
22 |
Correct |
128 ms |
21332 KB |
Output is correct |
23 |
Correct |
125 ms |
21328 KB |
Output is correct |
24 |
Correct |
132 ms |
21328 KB |
Output is correct |
25 |
Correct |
125 ms |
21332 KB |
Output is correct |
26 |
Correct |
128 ms |
21328 KB |
Output is correct |
27 |
Correct |
124 ms |
21216 KB |
Output is correct |
28 |
Correct |
125 ms |
21332 KB |
Output is correct |
29 |
Correct |
125 ms |
21216 KB |
Output is correct |
30 |
Correct |
122 ms |
21328 KB |
Output is correct |
31 |
Correct |
151 ms |
21328 KB |
Output is correct |
32 |
Correct |
117 ms |
21328 KB |
Output is correct |
33 |
Correct |
123 ms |
21304 KB |
Output is correct |
34 |
Correct |
120 ms |
21332 KB |
Output is correct |
35 |
Correct |
133 ms |
21328 KB |
Output is correct |
36 |
Correct |
124 ms |
21188 KB |
Output is correct |
37 |
Correct |
122 ms |
21332 KB |
Output is correct |
38 |
Correct |
127 ms |
21328 KB |
Output is correct |
39 |
Correct |
129 ms |
21336 KB |
Output is correct |
40 |
Correct |
126 ms |
21236 KB |
Output is correct |
41 |
Correct |
141 ms |
21332 KB |
Output is correct |
42 |
Correct |
125 ms |
21328 KB |
Output is correct |
43 |
Correct |
153 ms |
26164 KB |
Output is correct |
44 |
Correct |
142 ms |
26196 KB |
Output is correct |
45 |
Correct |
142 ms |
26192 KB |
Output is correct |
46 |
Correct |
144 ms |
26040 KB |
Output is correct |
47 |
Correct |
138 ms |
26192 KB |
Output is correct |
48 |
Correct |
138 ms |
26024 KB |
Output is correct |
49 |
Correct |
161 ms |
26192 KB |
Output is correct |
50 |
Correct |
146 ms |
26192 KB |
Output is correct |
51 |
Correct |
172 ms |
26192 KB |
Output is correct |
52 |
Correct |
141 ms |
26196 KB |
Output is correct |
53 |
Correct |
158 ms |
26044 KB |
Output is correct |
54 |
Correct |
149 ms |
26232 KB |
Output is correct |
55 |
Correct |
144 ms |
26196 KB |
Output is correct |
56 |
Correct |
142 ms |
26192 KB |
Output is correct |
57 |
Correct |
149 ms |
26192 KB |
Output is correct |
58 |
Correct |
137 ms |
26196 KB |
Output is correct |
59 |
Correct |
152 ms |
26096 KB |
Output is correct |
60 |
Correct |
184 ms |
26092 KB |
Output is correct |
61 |
Correct |
139 ms |
26192 KB |
Output is correct |
62 |
Correct |
147 ms |
26196 KB |
Output is correct |
63 |
Correct |
134 ms |
26192 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
110 ms |
19568 KB |
Output is correct |
2 |
Correct |
114 ms |
19536 KB |
Output is correct |
3 |
Correct |
112 ms |
19544 KB |
Output is correct |
4 |
Correct |
110 ms |
19540 KB |
Output is correct |
5 |
Correct |
105 ms |
19536 KB |
Output is correct |
6 |
Correct |
134 ms |
19536 KB |
Output is correct |
7 |
Correct |
118 ms |
19580 KB |
Output is correct |
8 |
Correct |
111 ms |
19448 KB |
Output is correct |
9 |
Correct |
116 ms |
19536 KB |
Output is correct |
10 |
Correct |
112 ms |
19540 KB |
Output is correct |
11 |
Correct |
101 ms |
19540 KB |
Output is correct |
12 |
Correct |
117 ms |
19468 KB |
Output is correct |
13 |
Correct |
121 ms |
19536 KB |
Output is correct |
14 |
Correct |
111 ms |
19604 KB |
Output is correct |
15 |
Correct |
111 ms |
19448 KB |
Output is correct |
16 |
Correct |
117 ms |
19540 KB |
Output is correct |
17 |
Correct |
122 ms |
19540 KB |
Output is correct |
18 |
Correct |
114 ms |
19372 KB |
Output is correct |
19 |
Correct |
127 ms |
19480 KB |
Output is correct |
20 |
Correct |
120 ms |
19540 KB |
Output is correct |
21 |
Correct |
120 ms |
19536 KB |
Output is correct |
22 |
Correct |
128 ms |
21332 KB |
Output is correct |
23 |
Correct |
125 ms |
21328 KB |
Output is correct |
24 |
Correct |
132 ms |
21328 KB |
Output is correct |
25 |
Correct |
125 ms |
21332 KB |
Output is correct |
26 |
Correct |
128 ms |
21328 KB |
Output is correct |
27 |
Correct |
124 ms |
21216 KB |
Output is correct |
28 |
Correct |
125 ms |
21332 KB |
Output is correct |
29 |
Correct |
125 ms |
21216 KB |
Output is correct |
30 |
Correct |
122 ms |
21328 KB |
Output is correct |
31 |
Correct |
151 ms |
21328 KB |
Output is correct |
32 |
Correct |
117 ms |
21328 KB |
Output is correct |
33 |
Correct |
123 ms |
21304 KB |
Output is correct |
34 |
Correct |
120 ms |
21332 KB |
Output is correct |
35 |
Correct |
133 ms |
21328 KB |
Output is correct |
36 |
Correct |
124 ms |
21188 KB |
Output is correct |
37 |
Correct |
122 ms |
21332 KB |
Output is correct |
38 |
Correct |
127 ms |
21328 KB |
Output is correct |
39 |
Correct |
129 ms |
21336 KB |
Output is correct |
40 |
Correct |
126 ms |
21236 KB |
Output is correct |
41 |
Correct |
141 ms |
21332 KB |
Output is correct |
42 |
Correct |
125 ms |
21328 KB |
Output is correct |
43 |
Correct |
153 ms |
26164 KB |
Output is correct |
44 |
Correct |
142 ms |
26196 KB |
Output is correct |
45 |
Correct |
142 ms |
26192 KB |
Output is correct |
46 |
Correct |
144 ms |
26040 KB |
Output is correct |
47 |
Correct |
138 ms |
26192 KB |
Output is correct |
48 |
Correct |
138 ms |
26024 KB |
Output is correct |
49 |
Correct |
161 ms |
26192 KB |
Output is correct |
50 |
Correct |
146 ms |
26192 KB |
Output is correct |
51 |
Correct |
172 ms |
26192 KB |
Output is correct |
52 |
Correct |
141 ms |
26196 KB |
Output is correct |
53 |
Correct |
158 ms |
26044 KB |
Output is correct |
54 |
Correct |
149 ms |
26232 KB |
Output is correct |
55 |
Correct |
144 ms |
26196 KB |
Output is correct |
56 |
Correct |
142 ms |
26192 KB |
Output is correct |
57 |
Correct |
149 ms |
26192 KB |
Output is correct |
58 |
Correct |
137 ms |
26196 KB |
Output is correct |
59 |
Correct |
152 ms |
26096 KB |
Output is correct |
60 |
Correct |
184 ms |
26092 KB |
Output is correct |
61 |
Correct |
139 ms |
26192 KB |
Output is correct |
62 |
Correct |
147 ms |
26196 KB |
Output is correct |
63 |
Correct |
134 ms |
26192 KB |
Output is correct |
64 |
Correct |
310 ms |
36136 KB |
Output is correct |
65 |
Correct |
312 ms |
36244 KB |
Output is correct |
66 |
Correct |
333 ms |
36176 KB |
Output is correct |
67 |
Correct |
316 ms |
36180 KB |
Output is correct |
68 |
Correct |
306 ms |
36180 KB |
Output is correct |
69 |
Correct |
275 ms |
36176 KB |
Output is correct |
70 |
Correct |
347 ms |
36392 KB |
Output is correct |
71 |
Correct |
312 ms |
36000 KB |
Output is correct |
72 |
Correct |
288 ms |
36176 KB |
Output is correct |
73 |
Correct |
307 ms |
36176 KB |
Output is correct |
74 |
Correct |
293 ms |
36088 KB |
Output is correct |
75 |
Correct |
308 ms |
36016 KB |
Output is correct |
76 |
Correct |
291 ms |
36180 KB |
Output is correct |
77 |
Correct |
275 ms |
36172 KB |
Output is correct |
78 |
Correct |
297 ms |
36124 KB |
Output is correct |
79 |
Correct |
283 ms |
36152 KB |
Output is correct |
80 |
Correct |
308 ms |
36432 KB |
Output is correct |
81 |
Correct |
268 ms |
36176 KB |
Output is correct |
82 |
Correct |
289 ms |
36180 KB |
Output is correct |
83 |
Correct |
279 ms |
36176 KB |
Output is correct |
84 |
Correct |
307 ms |
36000 KB |
Output is correct |