#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
const int mxN=1e5, K=62, M=998244353;
int n;
string s[mxN];
ll cnt[K][K], dp[K][K][K];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
cin >> n;
for (int i=0; i<n; ++i)
cin >> s[i];
ll ans=0;
for (int i=3; i<=10; ++i) {
set<string> st;
for (int j=0; j<n; ++j)
if (s[j].size()==i)
for (int rep=0; rep<2; ++rep) {
st.insert(s[j]);
reverse(s[j].begin(), s[j].end());
}
memset(cnt, 0, sizeof(cnt));
for (string x : st) {
int a='a'<=x[0]&&x[0]<='z'?x[0]-'a':'A'<=x[0]&&x[0]<='Z'?26+x[0]-'A':52+x[0]-'0';
int b='a'<=x.back()&&x.back()<='z'?x.back()-'a':'A'<=x.back()&&x.back()<='Z'?26+x.back()-'A':52+x.back()-'0';
++cnt[a][b];
}
memset(dp, 0, sizeof(dp));
for (int a=0; a<K; ++a)
for (int b=a; b<K; ++b)
for (int c=b; c<K; ++c)
for (int d=0; d<K; ++d)
dp[a][b][c]=(dp[a][b][c]+cnt[d][a]*cnt[d][b]*cnt[d][c])%M;
auto Consider=[&](int a, int b, int c, int d, int mul) {
ans=(ans+mul*dp[a][b][c]%M*dp[a][b][d]%M*dp[a][c][d]%M*dp[b][c][d])%M;
};
//cout << dp['r'-'a']['r'-'a']['r'-'a'] << endl;
for (int a=0; a<K; ++a) {
Consider(a, a, a, a, 1);
for (int b=a+1; b<K; ++b) {
Consider(a, a, a, b, 4);
Consider(a, a, b, b, 6);
Consider(a, b, b, b, 4);
for (int c=b+1; c<K; ++c) {
Consider(a, b, c, c, 12);
Consider(a, b, b, c, 12);
Consider(a, a, b, c, 12);
for (int d=c+1; d<K; ++d)
Consider(a, b, c, d, 24);
}
}
}
}
cout << ans;
return 0;
}
Compilation message
cubeword.cpp: In function 'int main()':
cubeword.cpp:22:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
22 | if (s[j].size()==i)
| ~~~~~~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
189 ms |
9160 KB |
Output is correct |
2 |
Correct |
197 ms |
9104 KB |
Output is correct |
3 |
Correct |
192 ms |
9160 KB |
Output is correct |
4 |
Correct |
188 ms |
9212 KB |
Output is correct |
5 |
Correct |
207 ms |
9224 KB |
Output is correct |
6 |
Correct |
191 ms |
9148 KB |
Output is correct |
7 |
Correct |
187 ms |
9168 KB |
Output is correct |
8 |
Correct |
206 ms |
9096 KB |
Output is correct |
9 |
Correct |
186 ms |
9180 KB |
Output is correct |
10 |
Correct |
199 ms |
9108 KB |
Output is correct |
11 |
Correct |
200 ms |
9184 KB |
Output is correct |
12 |
Correct |
184 ms |
9080 KB |
Output is correct |
13 |
Correct |
194 ms |
9168 KB |
Output is correct |
14 |
Correct |
190 ms |
9260 KB |
Output is correct |
15 |
Correct |
195 ms |
9196 KB |
Output is correct |
16 |
Correct |
199 ms |
9076 KB |
Output is correct |
17 |
Correct |
183 ms |
9096 KB |
Output is correct |
18 |
Correct |
186 ms |
9164 KB |
Output is correct |
19 |
Correct |
199 ms |
9164 KB |
Output is correct |
20 |
Correct |
188 ms |
9116 KB |
Output is correct |
21 |
Correct |
186 ms |
9196 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
189 ms |
9160 KB |
Output is correct |
2 |
Correct |
197 ms |
9104 KB |
Output is correct |
3 |
Correct |
192 ms |
9160 KB |
Output is correct |
4 |
Correct |
188 ms |
9212 KB |
Output is correct |
5 |
Correct |
207 ms |
9224 KB |
Output is correct |
6 |
Correct |
191 ms |
9148 KB |
Output is correct |
7 |
Correct |
187 ms |
9168 KB |
Output is correct |
8 |
Correct |
206 ms |
9096 KB |
Output is correct |
9 |
Correct |
186 ms |
9180 KB |
Output is correct |
10 |
Correct |
199 ms |
9108 KB |
Output is correct |
11 |
Correct |
200 ms |
9184 KB |
Output is correct |
12 |
Correct |
184 ms |
9080 KB |
Output is correct |
13 |
Correct |
194 ms |
9168 KB |
Output is correct |
14 |
Correct |
190 ms |
9260 KB |
Output is correct |
15 |
Correct |
195 ms |
9196 KB |
Output is correct |
16 |
Correct |
199 ms |
9076 KB |
Output is correct |
17 |
Correct |
183 ms |
9096 KB |
Output is correct |
18 |
Correct |
186 ms |
9164 KB |
Output is correct |
19 |
Correct |
199 ms |
9164 KB |
Output is correct |
20 |
Correct |
188 ms |
9116 KB |
Output is correct |
21 |
Correct |
186 ms |
9196 KB |
Output is correct |
22 |
Correct |
212 ms |
8308 KB |
Output is correct |
23 |
Correct |
192 ms |
8316 KB |
Output is correct |
24 |
Correct |
186 ms |
8340 KB |
Output is correct |
25 |
Correct |
204 ms |
8292 KB |
Output is correct |
26 |
Correct |
187 ms |
8284 KB |
Output is correct |
27 |
Correct |
187 ms |
8288 KB |
Output is correct |
28 |
Correct |
198 ms |
8276 KB |
Output is correct |
29 |
Correct |
195 ms |
8268 KB |
Output is correct |
30 |
Correct |
183 ms |
8224 KB |
Output is correct |
31 |
Correct |
195 ms |
8296 KB |
Output is correct |
32 |
Correct |
220 ms |
8176 KB |
Output is correct |
33 |
Correct |
199 ms |
8232 KB |
Output is correct |
34 |
Correct |
207 ms |
8268 KB |
Output is correct |
35 |
Correct |
186 ms |
8288 KB |
Output is correct |
36 |
Correct |
197 ms |
8296 KB |
Output is correct |
37 |
Correct |
194 ms |
8356 KB |
Output is correct |
38 |
Correct |
191 ms |
8332 KB |
Output is correct |
39 |
Correct |
199 ms |
8356 KB |
Output is correct |
40 |
Correct |
210 ms |
8232 KB |
Output is correct |
41 |
Correct |
186 ms |
8336 KB |
Output is correct |
42 |
Correct |
187 ms |
8304 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
189 ms |
9160 KB |
Output is correct |
2 |
Correct |
197 ms |
9104 KB |
Output is correct |
3 |
Correct |
192 ms |
9160 KB |
Output is correct |
4 |
Correct |
188 ms |
9212 KB |
Output is correct |
5 |
Correct |
207 ms |
9224 KB |
Output is correct |
6 |
Correct |
191 ms |
9148 KB |
Output is correct |
7 |
Correct |
187 ms |
9168 KB |
Output is correct |
8 |
Correct |
206 ms |
9096 KB |
Output is correct |
9 |
Correct |
186 ms |
9180 KB |
Output is correct |
10 |
Correct |
199 ms |
9108 KB |
Output is correct |
11 |
Correct |
200 ms |
9184 KB |
Output is correct |
12 |
Correct |
184 ms |
9080 KB |
Output is correct |
13 |
Correct |
194 ms |
9168 KB |
Output is correct |
14 |
Correct |
190 ms |
9260 KB |
Output is correct |
15 |
Correct |
195 ms |
9196 KB |
Output is correct |
16 |
Correct |
199 ms |
9076 KB |
Output is correct |
17 |
Correct |
183 ms |
9096 KB |
Output is correct |
18 |
Correct |
186 ms |
9164 KB |
Output is correct |
19 |
Correct |
199 ms |
9164 KB |
Output is correct |
20 |
Correct |
188 ms |
9116 KB |
Output is correct |
21 |
Correct |
186 ms |
9196 KB |
Output is correct |
22 |
Correct |
212 ms |
8308 KB |
Output is correct |
23 |
Correct |
192 ms |
8316 KB |
Output is correct |
24 |
Correct |
186 ms |
8340 KB |
Output is correct |
25 |
Correct |
204 ms |
8292 KB |
Output is correct |
26 |
Correct |
187 ms |
8284 KB |
Output is correct |
27 |
Correct |
187 ms |
8288 KB |
Output is correct |
28 |
Correct |
198 ms |
8276 KB |
Output is correct |
29 |
Correct |
195 ms |
8268 KB |
Output is correct |
30 |
Correct |
183 ms |
8224 KB |
Output is correct |
31 |
Correct |
195 ms |
8296 KB |
Output is correct |
32 |
Correct |
220 ms |
8176 KB |
Output is correct |
33 |
Correct |
199 ms |
8232 KB |
Output is correct |
34 |
Correct |
207 ms |
8268 KB |
Output is correct |
35 |
Correct |
186 ms |
8288 KB |
Output is correct |
36 |
Correct |
197 ms |
8296 KB |
Output is correct |
37 |
Correct |
194 ms |
8356 KB |
Output is correct |
38 |
Correct |
191 ms |
8332 KB |
Output is correct |
39 |
Correct |
199 ms |
8356 KB |
Output is correct |
40 |
Correct |
210 ms |
8232 KB |
Output is correct |
41 |
Correct |
186 ms |
8336 KB |
Output is correct |
42 |
Correct |
187 ms |
8304 KB |
Output is correct |
43 |
Correct |
186 ms |
8088 KB |
Output is correct |
44 |
Correct |
201 ms |
8072 KB |
Output is correct |
45 |
Correct |
195 ms |
8052 KB |
Output is correct |
46 |
Correct |
181 ms |
8088 KB |
Output is correct |
47 |
Correct |
189 ms |
8184 KB |
Output is correct |
48 |
Correct |
212 ms |
8180 KB |
Output is correct |
49 |
Correct |
183 ms |
8068 KB |
Output is correct |
50 |
Correct |
189 ms |
8088 KB |
Output is correct |
51 |
Correct |
207 ms |
8196 KB |
Output is correct |
52 |
Correct |
181 ms |
8064 KB |
Output is correct |
53 |
Correct |
190 ms |
8088 KB |
Output is correct |
54 |
Correct |
216 ms |
8212 KB |
Output is correct |
55 |
Correct |
184 ms |
8092 KB |
Output is correct |
56 |
Correct |
184 ms |
8156 KB |
Output is correct |
57 |
Correct |
186 ms |
8036 KB |
Output is correct |
58 |
Correct |
199 ms |
8072 KB |
Output is correct |
59 |
Correct |
182 ms |
8056 KB |
Output is correct |
60 |
Correct |
193 ms |
8092 KB |
Output is correct |
61 |
Correct |
203 ms |
8032 KB |
Output is correct |
62 |
Correct |
182 ms |
8060 KB |
Output is correct |
63 |
Correct |
189 ms |
8084 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
189 ms |
9160 KB |
Output is correct |
2 |
Correct |
197 ms |
9104 KB |
Output is correct |
3 |
Correct |
192 ms |
9160 KB |
Output is correct |
4 |
Correct |
188 ms |
9212 KB |
Output is correct |
5 |
Correct |
207 ms |
9224 KB |
Output is correct |
6 |
Correct |
191 ms |
9148 KB |
Output is correct |
7 |
Correct |
187 ms |
9168 KB |
Output is correct |
8 |
Correct |
206 ms |
9096 KB |
Output is correct |
9 |
Correct |
186 ms |
9180 KB |
Output is correct |
10 |
Correct |
199 ms |
9108 KB |
Output is correct |
11 |
Correct |
200 ms |
9184 KB |
Output is correct |
12 |
Correct |
184 ms |
9080 KB |
Output is correct |
13 |
Correct |
194 ms |
9168 KB |
Output is correct |
14 |
Correct |
190 ms |
9260 KB |
Output is correct |
15 |
Correct |
195 ms |
9196 KB |
Output is correct |
16 |
Correct |
199 ms |
9076 KB |
Output is correct |
17 |
Correct |
183 ms |
9096 KB |
Output is correct |
18 |
Correct |
186 ms |
9164 KB |
Output is correct |
19 |
Correct |
199 ms |
9164 KB |
Output is correct |
20 |
Correct |
188 ms |
9116 KB |
Output is correct |
21 |
Correct |
186 ms |
9196 KB |
Output is correct |
22 |
Correct |
212 ms |
8308 KB |
Output is correct |
23 |
Correct |
192 ms |
8316 KB |
Output is correct |
24 |
Correct |
186 ms |
8340 KB |
Output is correct |
25 |
Correct |
204 ms |
8292 KB |
Output is correct |
26 |
Correct |
187 ms |
8284 KB |
Output is correct |
27 |
Correct |
187 ms |
8288 KB |
Output is correct |
28 |
Correct |
198 ms |
8276 KB |
Output is correct |
29 |
Correct |
195 ms |
8268 KB |
Output is correct |
30 |
Correct |
183 ms |
8224 KB |
Output is correct |
31 |
Correct |
195 ms |
8296 KB |
Output is correct |
32 |
Correct |
220 ms |
8176 KB |
Output is correct |
33 |
Correct |
199 ms |
8232 KB |
Output is correct |
34 |
Correct |
207 ms |
8268 KB |
Output is correct |
35 |
Correct |
186 ms |
8288 KB |
Output is correct |
36 |
Correct |
197 ms |
8296 KB |
Output is correct |
37 |
Correct |
194 ms |
8356 KB |
Output is correct |
38 |
Correct |
191 ms |
8332 KB |
Output is correct |
39 |
Correct |
199 ms |
8356 KB |
Output is correct |
40 |
Correct |
210 ms |
8232 KB |
Output is correct |
41 |
Correct |
186 ms |
8336 KB |
Output is correct |
42 |
Correct |
187 ms |
8304 KB |
Output is correct |
43 |
Correct |
186 ms |
8088 KB |
Output is correct |
44 |
Correct |
201 ms |
8072 KB |
Output is correct |
45 |
Correct |
195 ms |
8052 KB |
Output is correct |
46 |
Correct |
181 ms |
8088 KB |
Output is correct |
47 |
Correct |
189 ms |
8184 KB |
Output is correct |
48 |
Correct |
212 ms |
8180 KB |
Output is correct |
49 |
Correct |
183 ms |
8068 KB |
Output is correct |
50 |
Correct |
189 ms |
8088 KB |
Output is correct |
51 |
Correct |
207 ms |
8196 KB |
Output is correct |
52 |
Correct |
181 ms |
8064 KB |
Output is correct |
53 |
Correct |
190 ms |
8088 KB |
Output is correct |
54 |
Correct |
216 ms |
8212 KB |
Output is correct |
55 |
Correct |
184 ms |
8092 KB |
Output is correct |
56 |
Correct |
184 ms |
8156 KB |
Output is correct |
57 |
Correct |
186 ms |
8036 KB |
Output is correct |
58 |
Correct |
199 ms |
8072 KB |
Output is correct |
59 |
Correct |
182 ms |
8056 KB |
Output is correct |
60 |
Correct |
193 ms |
8092 KB |
Output is correct |
61 |
Correct |
203 ms |
8032 KB |
Output is correct |
62 |
Correct |
182 ms |
8060 KB |
Output is correct |
63 |
Correct |
189 ms |
8084 KB |
Output is correct |
64 |
Correct |
213 ms |
7944 KB |
Output is correct |
65 |
Correct |
187 ms |
8028 KB |
Output is correct |
66 |
Correct |
194 ms |
8048 KB |
Output is correct |
67 |
Correct |
191 ms |
8048 KB |
Output is correct |
68 |
Correct |
184 ms |
8052 KB |
Output is correct |
69 |
Correct |
194 ms |
8036 KB |
Output is correct |
70 |
Correct |
205 ms |
8052 KB |
Output is correct |
71 |
Correct |
188 ms |
7920 KB |
Output is correct |
72 |
Correct |
187 ms |
8012 KB |
Output is correct |
73 |
Correct |
205 ms |
8012 KB |
Output is correct |
74 |
Correct |
193 ms |
8028 KB |
Output is correct |
75 |
Correct |
182 ms |
8044 KB |
Output is correct |
76 |
Correct |
204 ms |
8060 KB |
Output is correct |
77 |
Correct |
182 ms |
8048 KB |
Output is correct |
78 |
Correct |
183 ms |
8048 KB |
Output is correct |
79 |
Correct |
213 ms |
8088 KB |
Output is correct |
80 |
Correct |
186 ms |
8032 KB |
Output is correct |
81 |
Correct |
188 ms |
8068 KB |
Output is correct |
82 |
Correct |
211 ms |
8040 KB |
Output is correct |
83 |
Correct |
192 ms |
8068 KB |
Output is correct |
84 |
Correct |
187 ms |
8012 KB |
Output is correct |