#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma")
#include <bits/stdc++.h>
using namespace std;
constexpr int maxn = 16, mod = 998244353; // subtasks 1-2
int ans;
int edge[11][maxn][maxn];
int value_triad[11][maxn][maxn][maxn];
int id(char c) { return c-'a'; } // subtaks 1-2
set<string> mark;
void add(int& a, int b) { a += b; if(a >= mod) a -= mod; }
int main() {
int n; cin >> n;
string s;
for(int i = 0; i < n; i++) {
cin >> s;
for(int rep = 0; rep < 2; rep++, reverse(s.begin(), s.end())) if(!mark.count(s)) {
edge[s.size()][id(s[0])][id(s.back())]++;
mark.insert(s);
}
}
vector<array<int,4>> quad;
for(int a = 0; a < maxn; a++) for(int b = 0; b < maxn; b++) for(int c = 0; c < maxn; c++) for(int d = 0; d < maxn; d++)
quad.push_back({a, b, c, d});
for(int sz = 3; sz <= 10; sz++) for(int i = 0; i < quad.size(); i++) {
int aq = 0, dp = 1;
for(int rep = 0; rep < 4; rep++) {
for(int x = 0; x < maxn; x++) {
int hm = 1;
for(int ind = 0; ind < 4; ind++) if(ind != rep)
hm = 1ll * hm * edge[sz][x][quad[i][ind]] % mod;
add(aq, hm);
}
dp = 1ll * dp * aq % mod;
aq = 0;
}
add(ans, dp);
}
printf("%d\n", ans);
}
Compilation message
cubeword.cpp: In function 'int main()':
cubeword.cpp:36:54: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<int, 4> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
36 | for(int sz = 3; sz <= 10; sz++) for(int i = 0; i < quad.size(); i++) {
| ~~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
402 ms |
16588 KB |
Output is correct |
2 |
Correct |
438 ms |
16668 KB |
Output is correct |
3 |
Correct |
405 ms |
16624 KB |
Output is correct |
4 |
Correct |
400 ms |
16644 KB |
Output is correct |
5 |
Correct |
447 ms |
16640 KB |
Output is correct |
6 |
Correct |
405 ms |
16556 KB |
Output is correct |
7 |
Correct |
390 ms |
16592 KB |
Output is correct |
8 |
Correct |
415 ms |
16692 KB |
Output is correct |
9 |
Correct |
395 ms |
16652 KB |
Output is correct |
10 |
Correct |
411 ms |
16652 KB |
Output is correct |
11 |
Correct |
388 ms |
16632 KB |
Output is correct |
12 |
Correct |
381 ms |
16640 KB |
Output is correct |
13 |
Correct |
369 ms |
16608 KB |
Output is correct |
14 |
Correct |
373 ms |
16712 KB |
Output is correct |
15 |
Correct |
363 ms |
16680 KB |
Output is correct |
16 |
Correct |
395 ms |
16592 KB |
Output is correct |
17 |
Correct |
374 ms |
16592 KB |
Output is correct |
18 |
Correct |
391 ms |
16568 KB |
Output is correct |
19 |
Correct |
383 ms |
16540 KB |
Output is correct |
20 |
Correct |
373 ms |
16588 KB |
Output is correct |
21 |
Correct |
368 ms |
16636 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
402 ms |
16588 KB |
Output is correct |
2 |
Correct |
438 ms |
16668 KB |
Output is correct |
3 |
Correct |
405 ms |
16624 KB |
Output is correct |
4 |
Correct |
400 ms |
16644 KB |
Output is correct |
5 |
Correct |
447 ms |
16640 KB |
Output is correct |
6 |
Correct |
405 ms |
16556 KB |
Output is correct |
7 |
Correct |
390 ms |
16592 KB |
Output is correct |
8 |
Correct |
415 ms |
16692 KB |
Output is correct |
9 |
Correct |
395 ms |
16652 KB |
Output is correct |
10 |
Correct |
411 ms |
16652 KB |
Output is correct |
11 |
Correct |
388 ms |
16632 KB |
Output is correct |
12 |
Correct |
381 ms |
16640 KB |
Output is correct |
13 |
Correct |
369 ms |
16608 KB |
Output is correct |
14 |
Correct |
373 ms |
16712 KB |
Output is correct |
15 |
Correct |
363 ms |
16680 KB |
Output is correct |
16 |
Correct |
395 ms |
16592 KB |
Output is correct |
17 |
Correct |
374 ms |
16592 KB |
Output is correct |
18 |
Correct |
391 ms |
16568 KB |
Output is correct |
19 |
Correct |
383 ms |
16540 KB |
Output is correct |
20 |
Correct |
373 ms |
16588 KB |
Output is correct |
21 |
Correct |
368 ms |
16636 KB |
Output is correct |
22 |
Correct |
389 ms |
17276 KB |
Output is correct |
23 |
Correct |
382 ms |
17260 KB |
Output is correct |
24 |
Correct |
374 ms |
17328 KB |
Output is correct |
25 |
Correct |
363 ms |
17340 KB |
Output is correct |
26 |
Correct |
362 ms |
17404 KB |
Output is correct |
27 |
Correct |
365 ms |
17300 KB |
Output is correct |
28 |
Correct |
407 ms |
17316 KB |
Output is correct |
29 |
Correct |
368 ms |
17268 KB |
Output is correct |
30 |
Correct |
375 ms |
17316 KB |
Output is correct |
31 |
Correct |
353 ms |
17296 KB |
Output is correct |
32 |
Correct |
370 ms |
17244 KB |
Output is correct |
33 |
Correct |
358 ms |
17384 KB |
Output is correct |
34 |
Correct |
367 ms |
17324 KB |
Output is correct |
35 |
Correct |
365 ms |
17352 KB |
Output is correct |
36 |
Correct |
380 ms |
17276 KB |
Output is correct |
37 |
Correct |
376 ms |
17324 KB |
Output is correct |
38 |
Correct |
356 ms |
17296 KB |
Output is correct |
39 |
Correct |
356 ms |
17296 KB |
Output is correct |
40 |
Correct |
384 ms |
17332 KB |
Output is correct |
41 |
Correct |
354 ms |
17352 KB |
Output is correct |
42 |
Correct |
353 ms |
17360 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
402 ms |
16588 KB |
Output is correct |
2 |
Correct |
438 ms |
16668 KB |
Output is correct |
3 |
Correct |
405 ms |
16624 KB |
Output is correct |
4 |
Correct |
400 ms |
16644 KB |
Output is correct |
5 |
Correct |
447 ms |
16640 KB |
Output is correct |
6 |
Correct |
405 ms |
16556 KB |
Output is correct |
7 |
Correct |
390 ms |
16592 KB |
Output is correct |
8 |
Correct |
415 ms |
16692 KB |
Output is correct |
9 |
Correct |
395 ms |
16652 KB |
Output is correct |
10 |
Correct |
411 ms |
16652 KB |
Output is correct |
11 |
Correct |
388 ms |
16632 KB |
Output is correct |
12 |
Correct |
381 ms |
16640 KB |
Output is correct |
13 |
Correct |
369 ms |
16608 KB |
Output is correct |
14 |
Correct |
373 ms |
16712 KB |
Output is correct |
15 |
Correct |
363 ms |
16680 KB |
Output is correct |
16 |
Correct |
395 ms |
16592 KB |
Output is correct |
17 |
Correct |
374 ms |
16592 KB |
Output is correct |
18 |
Correct |
391 ms |
16568 KB |
Output is correct |
19 |
Correct |
383 ms |
16540 KB |
Output is correct |
20 |
Correct |
373 ms |
16588 KB |
Output is correct |
21 |
Correct |
368 ms |
16636 KB |
Output is correct |
22 |
Correct |
389 ms |
17276 KB |
Output is correct |
23 |
Correct |
382 ms |
17260 KB |
Output is correct |
24 |
Correct |
374 ms |
17328 KB |
Output is correct |
25 |
Correct |
363 ms |
17340 KB |
Output is correct |
26 |
Correct |
362 ms |
17404 KB |
Output is correct |
27 |
Correct |
365 ms |
17300 KB |
Output is correct |
28 |
Correct |
407 ms |
17316 KB |
Output is correct |
29 |
Correct |
368 ms |
17268 KB |
Output is correct |
30 |
Correct |
375 ms |
17316 KB |
Output is correct |
31 |
Correct |
353 ms |
17296 KB |
Output is correct |
32 |
Correct |
370 ms |
17244 KB |
Output is correct |
33 |
Correct |
358 ms |
17384 KB |
Output is correct |
34 |
Correct |
367 ms |
17324 KB |
Output is correct |
35 |
Correct |
365 ms |
17352 KB |
Output is correct |
36 |
Correct |
380 ms |
17276 KB |
Output is correct |
37 |
Correct |
376 ms |
17324 KB |
Output is correct |
38 |
Correct |
356 ms |
17296 KB |
Output is correct |
39 |
Correct |
356 ms |
17296 KB |
Output is correct |
40 |
Correct |
384 ms |
17332 KB |
Output is correct |
41 |
Correct |
354 ms |
17352 KB |
Output is correct |
42 |
Correct |
353 ms |
17360 KB |
Output is correct |
43 |
Incorrect |
363 ms |
17524 KB |
Output isn't correct |
44 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
402 ms |
16588 KB |
Output is correct |
2 |
Correct |
438 ms |
16668 KB |
Output is correct |
3 |
Correct |
405 ms |
16624 KB |
Output is correct |
4 |
Correct |
400 ms |
16644 KB |
Output is correct |
5 |
Correct |
447 ms |
16640 KB |
Output is correct |
6 |
Correct |
405 ms |
16556 KB |
Output is correct |
7 |
Correct |
390 ms |
16592 KB |
Output is correct |
8 |
Correct |
415 ms |
16692 KB |
Output is correct |
9 |
Correct |
395 ms |
16652 KB |
Output is correct |
10 |
Correct |
411 ms |
16652 KB |
Output is correct |
11 |
Correct |
388 ms |
16632 KB |
Output is correct |
12 |
Correct |
381 ms |
16640 KB |
Output is correct |
13 |
Correct |
369 ms |
16608 KB |
Output is correct |
14 |
Correct |
373 ms |
16712 KB |
Output is correct |
15 |
Correct |
363 ms |
16680 KB |
Output is correct |
16 |
Correct |
395 ms |
16592 KB |
Output is correct |
17 |
Correct |
374 ms |
16592 KB |
Output is correct |
18 |
Correct |
391 ms |
16568 KB |
Output is correct |
19 |
Correct |
383 ms |
16540 KB |
Output is correct |
20 |
Correct |
373 ms |
16588 KB |
Output is correct |
21 |
Correct |
368 ms |
16636 KB |
Output is correct |
22 |
Correct |
389 ms |
17276 KB |
Output is correct |
23 |
Correct |
382 ms |
17260 KB |
Output is correct |
24 |
Correct |
374 ms |
17328 KB |
Output is correct |
25 |
Correct |
363 ms |
17340 KB |
Output is correct |
26 |
Correct |
362 ms |
17404 KB |
Output is correct |
27 |
Correct |
365 ms |
17300 KB |
Output is correct |
28 |
Correct |
407 ms |
17316 KB |
Output is correct |
29 |
Correct |
368 ms |
17268 KB |
Output is correct |
30 |
Correct |
375 ms |
17316 KB |
Output is correct |
31 |
Correct |
353 ms |
17296 KB |
Output is correct |
32 |
Correct |
370 ms |
17244 KB |
Output is correct |
33 |
Correct |
358 ms |
17384 KB |
Output is correct |
34 |
Correct |
367 ms |
17324 KB |
Output is correct |
35 |
Correct |
365 ms |
17352 KB |
Output is correct |
36 |
Correct |
380 ms |
17276 KB |
Output is correct |
37 |
Correct |
376 ms |
17324 KB |
Output is correct |
38 |
Correct |
356 ms |
17296 KB |
Output is correct |
39 |
Correct |
356 ms |
17296 KB |
Output is correct |
40 |
Correct |
384 ms |
17332 KB |
Output is correct |
41 |
Correct |
354 ms |
17352 KB |
Output is correct |
42 |
Correct |
353 ms |
17360 KB |
Output is correct |
43 |
Incorrect |
363 ms |
17524 KB |
Output isn't correct |
44 |
Halted |
0 ms |
0 KB |
- |