#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,mod= 998244353;
string s[N];
vi act;
ll n,ans=0;
set<string> st[6][6][11];
void solve(int i){
if(i==8){
fore(tam, 3, 11){
ll aux=1;
fo(i,4)aux=(aux*sz(st[act[i]][act[(i+1)%4]][tam]))%mod;
fo(i,4)aux=(aux*sz(st[act[i]][act[i+4]][tam]))%mod;
fo(i,4)aux=(aux*sz(st[act[i+4]][act[(i+1)%4+4]][tam]))%mod;
ans=(ans+aux)%mod;
}
return;
}
fo(v, 6){
act.pb(v);
solve(i+1);
act.pop_back();
}
}
void test_case(){
cin>>n;
fo(i,n){
cin>>s[i];
st[s[i][0]-'a'][s[i].back()-'a'][sz(s[i])].insert(s[i]);
reverse(all(s[i]));
st[s[i][0]-'a'][s[i].back()-'a'][sz(s[i])].insert(s[i]);
}
solve(0);
cout<<ans<<endl;
}
int main(){cin.tie(0)->sync_with_stdio(0);
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")
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
508 ms |
18768 KB |
Output is correct |
2 |
Correct |
489 ms |
17908 KB |
Output is correct |
3 |
Correct |
482 ms |
18000 KB |
Output is correct |
4 |
Correct |
474 ms |
18000 KB |
Output is correct |
5 |
Correct |
513 ms |
17956 KB |
Output is correct |
6 |
Correct |
498 ms |
18140 KB |
Output is correct |
7 |
Correct |
508 ms |
18000 KB |
Output is correct |
8 |
Correct |
499 ms |
18004 KB |
Output is correct |
9 |
Correct |
502 ms |
18260 KB |
Output is correct |
10 |
Correct |
491 ms |
18076 KB |
Output is correct |
11 |
Correct |
485 ms |
18004 KB |
Output is correct |
12 |
Correct |
473 ms |
18276 KB |
Output is correct |
13 |
Correct |
483 ms |
18000 KB |
Output is correct |
14 |
Correct |
518 ms |
18072 KB |
Output is correct |
15 |
Correct |
494 ms |
18004 KB |
Output is correct |
16 |
Correct |
489 ms |
18056 KB |
Output is correct |
17 |
Correct |
510 ms |
18004 KB |
Output is correct |
18 |
Correct |
475 ms |
18000 KB |
Output is correct |
19 |
Correct |
507 ms |
18052 KB |
Output is correct |
20 |
Correct |
498 ms |
18072 KB |
Output is correct |
21 |
Correct |
497 ms |
18004 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
508 ms |
18768 KB |
Output is correct |
2 |
Correct |
489 ms |
17908 KB |
Output is correct |
3 |
Correct |
482 ms |
18000 KB |
Output is correct |
4 |
Correct |
474 ms |
18000 KB |
Output is correct |
5 |
Correct |
513 ms |
17956 KB |
Output is correct |
6 |
Correct |
498 ms |
18140 KB |
Output is correct |
7 |
Correct |
508 ms |
18000 KB |
Output is correct |
8 |
Correct |
499 ms |
18004 KB |
Output is correct |
9 |
Correct |
502 ms |
18260 KB |
Output is correct |
10 |
Correct |
491 ms |
18076 KB |
Output is correct |
11 |
Correct |
485 ms |
18004 KB |
Output is correct |
12 |
Correct |
473 ms |
18276 KB |
Output is correct |
13 |
Correct |
483 ms |
18000 KB |
Output is correct |
14 |
Correct |
518 ms |
18072 KB |
Output is correct |
15 |
Correct |
494 ms |
18004 KB |
Output is correct |
16 |
Correct |
489 ms |
18056 KB |
Output is correct |
17 |
Correct |
510 ms |
18004 KB |
Output is correct |
18 |
Correct |
475 ms |
18000 KB |
Output is correct |
19 |
Correct |
507 ms |
18052 KB |
Output is correct |
20 |
Correct |
498 ms |
18072 KB |
Output is correct |
21 |
Correct |
497 ms |
18004 KB |
Output is correct |
22 |
Runtime error |
3 ms |
6744 KB |
Execution killed with signal 11 |
23 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
508 ms |
18768 KB |
Output is correct |
2 |
Correct |
489 ms |
17908 KB |
Output is correct |
3 |
Correct |
482 ms |
18000 KB |
Output is correct |
4 |
Correct |
474 ms |
18000 KB |
Output is correct |
5 |
Correct |
513 ms |
17956 KB |
Output is correct |
6 |
Correct |
498 ms |
18140 KB |
Output is correct |
7 |
Correct |
508 ms |
18000 KB |
Output is correct |
8 |
Correct |
499 ms |
18004 KB |
Output is correct |
9 |
Correct |
502 ms |
18260 KB |
Output is correct |
10 |
Correct |
491 ms |
18076 KB |
Output is correct |
11 |
Correct |
485 ms |
18004 KB |
Output is correct |
12 |
Correct |
473 ms |
18276 KB |
Output is correct |
13 |
Correct |
483 ms |
18000 KB |
Output is correct |
14 |
Correct |
518 ms |
18072 KB |
Output is correct |
15 |
Correct |
494 ms |
18004 KB |
Output is correct |
16 |
Correct |
489 ms |
18056 KB |
Output is correct |
17 |
Correct |
510 ms |
18004 KB |
Output is correct |
18 |
Correct |
475 ms |
18000 KB |
Output is correct |
19 |
Correct |
507 ms |
18052 KB |
Output is correct |
20 |
Correct |
498 ms |
18072 KB |
Output is correct |
21 |
Correct |
497 ms |
18004 KB |
Output is correct |
22 |
Runtime error |
3 ms |
6744 KB |
Execution killed with signal 11 |
23 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
508 ms |
18768 KB |
Output is correct |
2 |
Correct |
489 ms |
17908 KB |
Output is correct |
3 |
Correct |
482 ms |
18000 KB |
Output is correct |
4 |
Correct |
474 ms |
18000 KB |
Output is correct |
5 |
Correct |
513 ms |
17956 KB |
Output is correct |
6 |
Correct |
498 ms |
18140 KB |
Output is correct |
7 |
Correct |
508 ms |
18000 KB |
Output is correct |
8 |
Correct |
499 ms |
18004 KB |
Output is correct |
9 |
Correct |
502 ms |
18260 KB |
Output is correct |
10 |
Correct |
491 ms |
18076 KB |
Output is correct |
11 |
Correct |
485 ms |
18004 KB |
Output is correct |
12 |
Correct |
473 ms |
18276 KB |
Output is correct |
13 |
Correct |
483 ms |
18000 KB |
Output is correct |
14 |
Correct |
518 ms |
18072 KB |
Output is correct |
15 |
Correct |
494 ms |
18004 KB |
Output is correct |
16 |
Correct |
489 ms |
18056 KB |
Output is correct |
17 |
Correct |
510 ms |
18004 KB |
Output is correct |
18 |
Correct |
475 ms |
18000 KB |
Output is correct |
19 |
Correct |
507 ms |
18052 KB |
Output is correct |
20 |
Correct |
498 ms |
18072 KB |
Output is correct |
21 |
Correct |
497 ms |
18004 KB |
Output is correct |
22 |
Runtime error |
3 ms |
6744 KB |
Execution killed with signal 11 |
23 |
Halted |
0 ms |
0 KB |
- |