#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
const ll mod = 998244353;
ll ans = 0;
vector<string> a[11];
const ll n = 62;
ll cnt[70][70];
map<char, ll> mpp;
ll dp[70][70][70];
ll ft[5] = {1, 1, 2, 6, 24};
ll calc(vector<int> v){
int ans = ft[4];
int cur = 0;
for(int i = 0; i < v.size(); ++i){
if(i != 0 && v[i] == v[i-1])
++cur;
else{
ans /= ft[cur];
cur = 1;
}
}
ans /= ft[cur];
return ans;
}
int gt[2][2][2];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
int t;
cin >> t;
while(t--){
string s;
cin >> s;
a[s.size()-3].pb(s);
reverse(all(s));
a[s.size()-3].pb(s);
}
int curcnt = 0;
for(char i = 'a'; i <= 'z'; ++i)
mpp[i] = curcnt++;
for(char i = 'A'; i <= 'Z'; ++i)
mpp[i] = curcnt++;
for(char i = '0'; i <= '9'; ++i)
mpp[i] = curcnt++;
for(int i = 0; i < 4; ++i)
for(int j = i; j < 4; ++j)
for(int k = j; k < 4; ++k)
for(int y = k; y < 4; ++y)
gt[j==i][k==j][y==k] = calc({i, j, k, y});
for(int cur = 0; cur < 8; ++cur){
for(int i = 0; i < n; ++i)
for(int j = 0; j < n; ++j)
cnt[i][j] = 0;
sort(all(a[cur]));
for(int i = 0; i < a[cur].size(); ++i){
if(i == 0 || a[cur][i] != a[cur][i-1])
cnt[mpp[a[cur][i][0]]][mpp[a[cur][i].back()]]++;
}
for(int i = 0; i < n; ++i)
for(int j = i; j < n; ++j)
for(int k = j; k < n; ++k){
dp[i][j][k] = 0;
for(int mid = 0; mid < n; ++mid){
dp[i][j][k] += cnt[i][mid]*cnt[j][mid]%mod*cnt[k][mid]%mod;
if(dp[i][j][k] >= mod)
dp[i][j][k] -= mod;
}
}
for(int i = 0; i < n; ++i)
for(int j = i; j < n; ++j)
for(int k = j; k < n; ++k)
for(int y = k; y < n; ++y){
ans += gt[j==i][k==j][y==k]*dp[i][j][k]%mod*dp[i][j][y]%mod*dp[j][k][y]%mod*dp[i][k][y]%mod;
if(ans >= mod)
ans -= mod;
}
}
cout << ans << '\n';
//cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
}
Compilation message
cubeword.cpp: In function 'll calc(std::vector<int>)':
cubeword.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | for(int i = 0; i < v.size(); ++i){
| ~~^~~~~~~~~~
cubeword.cpp: In function 'int main()':
cubeword.cpp:76:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
76 | for(int i = 0; i < a[cur].size(); ++i){
| ~~^~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
244 ms |
8304 KB |
Output is correct |
2 |
Correct |
261 ms |
9216 KB |
Output is correct |
3 |
Correct |
248 ms |
9308 KB |
Output is correct |
4 |
Correct |
257 ms |
9184 KB |
Output is correct |
5 |
Correct |
246 ms |
9340 KB |
Output is correct |
6 |
Correct |
248 ms |
9156 KB |
Output is correct |
7 |
Correct |
248 ms |
9212 KB |
Output is correct |
8 |
Correct |
244 ms |
9296 KB |
Output is correct |
9 |
Correct |
270 ms |
9056 KB |
Output is correct |
10 |
Correct |
247 ms |
9308 KB |
Output is correct |
11 |
Correct |
247 ms |
9184 KB |
Output is correct |
12 |
Correct |
248 ms |
9232 KB |
Output is correct |
13 |
Correct |
243 ms |
9176 KB |
Output is correct |
14 |
Correct |
242 ms |
9120 KB |
Output is correct |
15 |
Correct |
250 ms |
9104 KB |
Output is correct |
16 |
Correct |
243 ms |
9224 KB |
Output is correct |
17 |
Correct |
245 ms |
9228 KB |
Output is correct |
18 |
Correct |
249 ms |
9424 KB |
Output is correct |
19 |
Correct |
243 ms |
9228 KB |
Output is correct |
20 |
Correct |
248 ms |
9128 KB |
Output is correct |
21 |
Correct |
243 ms |
9220 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
244 ms |
8304 KB |
Output is correct |
2 |
Correct |
261 ms |
9216 KB |
Output is correct |
3 |
Correct |
248 ms |
9308 KB |
Output is correct |
4 |
Correct |
257 ms |
9184 KB |
Output is correct |
5 |
Correct |
246 ms |
9340 KB |
Output is correct |
6 |
Correct |
248 ms |
9156 KB |
Output is correct |
7 |
Correct |
248 ms |
9212 KB |
Output is correct |
8 |
Correct |
244 ms |
9296 KB |
Output is correct |
9 |
Correct |
270 ms |
9056 KB |
Output is correct |
10 |
Correct |
247 ms |
9308 KB |
Output is correct |
11 |
Correct |
247 ms |
9184 KB |
Output is correct |
12 |
Correct |
248 ms |
9232 KB |
Output is correct |
13 |
Correct |
243 ms |
9176 KB |
Output is correct |
14 |
Correct |
242 ms |
9120 KB |
Output is correct |
15 |
Correct |
250 ms |
9104 KB |
Output is correct |
16 |
Correct |
243 ms |
9224 KB |
Output is correct |
17 |
Correct |
245 ms |
9228 KB |
Output is correct |
18 |
Correct |
249 ms |
9424 KB |
Output is correct |
19 |
Correct |
243 ms |
9228 KB |
Output is correct |
20 |
Correct |
248 ms |
9128 KB |
Output is correct |
21 |
Correct |
243 ms |
9220 KB |
Output is correct |
22 |
Correct |
241 ms |
9036 KB |
Output is correct |
23 |
Correct |
244 ms |
9000 KB |
Output is correct |
24 |
Correct |
242 ms |
9012 KB |
Output is correct |
25 |
Correct |
244 ms |
8924 KB |
Output is correct |
26 |
Correct |
240 ms |
8828 KB |
Output is correct |
27 |
Correct |
239 ms |
8892 KB |
Output is correct |
28 |
Correct |
246 ms |
9032 KB |
Output is correct |
29 |
Correct |
253 ms |
9036 KB |
Output is correct |
30 |
Correct |
239 ms |
8916 KB |
Output is correct |
31 |
Correct |
249 ms |
9012 KB |
Output is correct |
32 |
Correct |
254 ms |
9044 KB |
Output is correct |
33 |
Correct |
263 ms |
9104 KB |
Output is correct |
34 |
Correct |
245 ms |
9104 KB |
Output is correct |
35 |
Correct |
248 ms |
9040 KB |
Output is correct |
36 |
Correct |
241 ms |
8996 KB |
Output is correct |
37 |
Correct |
245 ms |
8964 KB |
Output is correct |
38 |
Correct |
240 ms |
9004 KB |
Output is correct |
39 |
Correct |
243 ms |
9052 KB |
Output is correct |
40 |
Correct |
245 ms |
9008 KB |
Output is correct |
41 |
Correct |
244 ms |
9008 KB |
Output is correct |
42 |
Correct |
244 ms |
8976 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
244 ms |
8304 KB |
Output is correct |
2 |
Correct |
261 ms |
9216 KB |
Output is correct |
3 |
Correct |
248 ms |
9308 KB |
Output is correct |
4 |
Correct |
257 ms |
9184 KB |
Output is correct |
5 |
Correct |
246 ms |
9340 KB |
Output is correct |
6 |
Correct |
248 ms |
9156 KB |
Output is correct |
7 |
Correct |
248 ms |
9212 KB |
Output is correct |
8 |
Correct |
244 ms |
9296 KB |
Output is correct |
9 |
Correct |
270 ms |
9056 KB |
Output is correct |
10 |
Correct |
247 ms |
9308 KB |
Output is correct |
11 |
Correct |
247 ms |
9184 KB |
Output is correct |
12 |
Correct |
248 ms |
9232 KB |
Output is correct |
13 |
Correct |
243 ms |
9176 KB |
Output is correct |
14 |
Correct |
242 ms |
9120 KB |
Output is correct |
15 |
Correct |
250 ms |
9104 KB |
Output is correct |
16 |
Correct |
243 ms |
9224 KB |
Output is correct |
17 |
Correct |
245 ms |
9228 KB |
Output is correct |
18 |
Correct |
249 ms |
9424 KB |
Output is correct |
19 |
Correct |
243 ms |
9228 KB |
Output is correct |
20 |
Correct |
248 ms |
9128 KB |
Output is correct |
21 |
Correct |
243 ms |
9220 KB |
Output is correct |
22 |
Correct |
241 ms |
9036 KB |
Output is correct |
23 |
Correct |
244 ms |
9000 KB |
Output is correct |
24 |
Correct |
242 ms |
9012 KB |
Output is correct |
25 |
Correct |
244 ms |
8924 KB |
Output is correct |
26 |
Correct |
240 ms |
8828 KB |
Output is correct |
27 |
Correct |
239 ms |
8892 KB |
Output is correct |
28 |
Correct |
246 ms |
9032 KB |
Output is correct |
29 |
Correct |
253 ms |
9036 KB |
Output is correct |
30 |
Correct |
239 ms |
8916 KB |
Output is correct |
31 |
Correct |
249 ms |
9012 KB |
Output is correct |
32 |
Correct |
254 ms |
9044 KB |
Output is correct |
33 |
Correct |
263 ms |
9104 KB |
Output is correct |
34 |
Correct |
245 ms |
9104 KB |
Output is correct |
35 |
Correct |
248 ms |
9040 KB |
Output is correct |
36 |
Correct |
241 ms |
8996 KB |
Output is correct |
37 |
Correct |
245 ms |
8964 KB |
Output is correct |
38 |
Correct |
240 ms |
9004 KB |
Output is correct |
39 |
Correct |
243 ms |
9052 KB |
Output is correct |
40 |
Correct |
245 ms |
9008 KB |
Output is correct |
41 |
Correct |
244 ms |
9008 KB |
Output is correct |
42 |
Correct |
244 ms |
8976 KB |
Output is correct |
43 |
Correct |
262 ms |
9396 KB |
Output is correct |
44 |
Correct |
244 ms |
9144 KB |
Output is correct |
45 |
Correct |
262 ms |
8928 KB |
Output is correct |
46 |
Correct |
243 ms |
9192 KB |
Output is correct |
47 |
Correct |
253 ms |
9148 KB |
Output is correct |
48 |
Correct |
250 ms |
9268 KB |
Output is correct |
49 |
Correct |
241 ms |
8872 KB |
Output is correct |
50 |
Correct |
243 ms |
8788 KB |
Output is correct |
51 |
Correct |
253 ms |
8868 KB |
Output is correct |
52 |
Correct |
246 ms |
9004 KB |
Output is correct |
53 |
Correct |
267 ms |
8780 KB |
Output is correct |
54 |
Correct |
250 ms |
8924 KB |
Output is correct |
55 |
Correct |
244 ms |
9008 KB |
Output is correct |
56 |
Correct |
258 ms |
9096 KB |
Output is correct |
57 |
Correct |
244 ms |
9144 KB |
Output is correct |
58 |
Correct |
269 ms |
8776 KB |
Output is correct |
59 |
Correct |
245 ms |
8932 KB |
Output is correct |
60 |
Correct |
243 ms |
9124 KB |
Output is correct |
61 |
Correct |
241 ms |
9132 KB |
Output is correct |
62 |
Correct |
243 ms |
8812 KB |
Output is correct |
63 |
Correct |
260 ms |
9024 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
244 ms |
8304 KB |
Output is correct |
2 |
Correct |
261 ms |
9216 KB |
Output is correct |
3 |
Correct |
248 ms |
9308 KB |
Output is correct |
4 |
Correct |
257 ms |
9184 KB |
Output is correct |
5 |
Correct |
246 ms |
9340 KB |
Output is correct |
6 |
Correct |
248 ms |
9156 KB |
Output is correct |
7 |
Correct |
248 ms |
9212 KB |
Output is correct |
8 |
Correct |
244 ms |
9296 KB |
Output is correct |
9 |
Correct |
270 ms |
9056 KB |
Output is correct |
10 |
Correct |
247 ms |
9308 KB |
Output is correct |
11 |
Correct |
247 ms |
9184 KB |
Output is correct |
12 |
Correct |
248 ms |
9232 KB |
Output is correct |
13 |
Correct |
243 ms |
9176 KB |
Output is correct |
14 |
Correct |
242 ms |
9120 KB |
Output is correct |
15 |
Correct |
250 ms |
9104 KB |
Output is correct |
16 |
Correct |
243 ms |
9224 KB |
Output is correct |
17 |
Correct |
245 ms |
9228 KB |
Output is correct |
18 |
Correct |
249 ms |
9424 KB |
Output is correct |
19 |
Correct |
243 ms |
9228 KB |
Output is correct |
20 |
Correct |
248 ms |
9128 KB |
Output is correct |
21 |
Correct |
243 ms |
9220 KB |
Output is correct |
22 |
Correct |
241 ms |
9036 KB |
Output is correct |
23 |
Correct |
244 ms |
9000 KB |
Output is correct |
24 |
Correct |
242 ms |
9012 KB |
Output is correct |
25 |
Correct |
244 ms |
8924 KB |
Output is correct |
26 |
Correct |
240 ms |
8828 KB |
Output is correct |
27 |
Correct |
239 ms |
8892 KB |
Output is correct |
28 |
Correct |
246 ms |
9032 KB |
Output is correct |
29 |
Correct |
253 ms |
9036 KB |
Output is correct |
30 |
Correct |
239 ms |
8916 KB |
Output is correct |
31 |
Correct |
249 ms |
9012 KB |
Output is correct |
32 |
Correct |
254 ms |
9044 KB |
Output is correct |
33 |
Correct |
263 ms |
9104 KB |
Output is correct |
34 |
Correct |
245 ms |
9104 KB |
Output is correct |
35 |
Correct |
248 ms |
9040 KB |
Output is correct |
36 |
Correct |
241 ms |
8996 KB |
Output is correct |
37 |
Correct |
245 ms |
8964 KB |
Output is correct |
38 |
Correct |
240 ms |
9004 KB |
Output is correct |
39 |
Correct |
243 ms |
9052 KB |
Output is correct |
40 |
Correct |
245 ms |
9008 KB |
Output is correct |
41 |
Correct |
244 ms |
9008 KB |
Output is correct |
42 |
Correct |
244 ms |
8976 KB |
Output is correct |
43 |
Correct |
262 ms |
9396 KB |
Output is correct |
44 |
Correct |
244 ms |
9144 KB |
Output is correct |
45 |
Correct |
262 ms |
8928 KB |
Output is correct |
46 |
Correct |
243 ms |
9192 KB |
Output is correct |
47 |
Correct |
253 ms |
9148 KB |
Output is correct |
48 |
Correct |
250 ms |
9268 KB |
Output is correct |
49 |
Correct |
241 ms |
8872 KB |
Output is correct |
50 |
Correct |
243 ms |
8788 KB |
Output is correct |
51 |
Correct |
253 ms |
8868 KB |
Output is correct |
52 |
Correct |
246 ms |
9004 KB |
Output is correct |
53 |
Correct |
267 ms |
8780 KB |
Output is correct |
54 |
Correct |
250 ms |
8924 KB |
Output is correct |
55 |
Correct |
244 ms |
9008 KB |
Output is correct |
56 |
Correct |
258 ms |
9096 KB |
Output is correct |
57 |
Correct |
244 ms |
9144 KB |
Output is correct |
58 |
Correct |
269 ms |
8776 KB |
Output is correct |
59 |
Correct |
245 ms |
8932 KB |
Output is correct |
60 |
Correct |
243 ms |
9124 KB |
Output is correct |
61 |
Correct |
241 ms |
9132 KB |
Output is correct |
62 |
Correct |
243 ms |
8812 KB |
Output is correct |
63 |
Correct |
260 ms |
9024 KB |
Output is correct |
64 |
Correct |
248 ms |
9136 KB |
Output is correct |
65 |
Correct |
239 ms |
9036 KB |
Output is correct |
66 |
Correct |
247 ms |
8896 KB |
Output is correct |
67 |
Correct |
248 ms |
9260 KB |
Output is correct |
68 |
Correct |
243 ms |
9012 KB |
Output is correct |
69 |
Correct |
244 ms |
9008 KB |
Output is correct |
70 |
Correct |
246 ms |
8928 KB |
Output is correct |
71 |
Correct |
243 ms |
9004 KB |
Output is correct |
72 |
Correct |
243 ms |
9268 KB |
Output is correct |
73 |
Correct |
241 ms |
8904 KB |
Output is correct |
74 |
Correct |
246 ms |
9220 KB |
Output is correct |
75 |
Correct |
248 ms |
9128 KB |
Output is correct |
76 |
Correct |
255 ms |
8900 KB |
Output is correct |
77 |
Correct |
256 ms |
9196 KB |
Output is correct |
78 |
Correct |
251 ms |
8900 KB |
Output is correct |
79 |
Correct |
251 ms |
9140 KB |
Output is correct |
80 |
Correct |
260 ms |
8864 KB |
Output is correct |
81 |
Correct |
253 ms |
8880 KB |
Output is correct |
82 |
Correct |
254 ms |
9140 KB |
Output is correct |
83 |
Correct |
274 ms |
8868 KB |
Output is correct |
84 |
Correct |
240 ms |
8804 KB |
Output is correct |