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Submission #439567

# Submission time Handle Problem Language Result Execution time Memory
439567 2021-06-30T09:13:44 Z prvocislo Cubeword (CEOI19_cubeword) C++17
84 / 100
 353 ms 16756 KB 
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;

const int mod = 998244353, abc = 32;
//const int mod = 998244353, abc = 26;
void upd(int &a, const int &b) { a = (a + b) % mod; }
int mul(const int &a, const int &b) { return (a * 1ll * b) % (ll)mod; }
int conv(char c)
{
    if ('a' <= c && c <= 'z') return c - 'a';
    if ('A' <= c && c <= 'Z') return 16 + c - 'A';
    //if ('0' <= c && c <= '9') return 26 + 26 + c - '0';
}
int cnt[abc][abc][abc], e[abc][abc], ans = 0;
void solve(const set<string> &v)
{
    memset(cnt, 0, sizeof(cnt)), memset(e, 0, sizeof(e));
    for (const string &i : v) e[conv(i[0])][conv(i.back())]++;
    for (int c1 = 0; c1 < abc; c1++) for (int c2 = 0; c2 < abc; c2++) for (int c3 = 0; c3 < abc; c3++)
        for (int ja = 0; ja < abc; ja++)
            upd(cnt[c1][c2][c3], mul(mul(e[ja][c1], e[ja][c2]), e[ja][c3]));
    for (int c1 = 0; c1 < abc; c1++) for (int c2 = 0; c2 < abc; c2++) 
        for (int c3 = 0; c3 < abc; c3++) for (int c4 = 0; c4 < abc; c4++)
                upd(ans, mul(mul(cnt[c1][c2][c3], cnt[c2][c3][c4]), mul(cnt[c3][c4][c1], cnt[c4][c1][c2])));
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<set<string> > v(11);
    for (int i = 0; i < n; i++)
    {
        string s;
        cin >> s;
        v[s.size()].insert(s);
        reverse(s.begin(), s.end());
        v[s.size()].insert(s);
    }
    for (int i = 3; i <= 10; i++) if (v[i].size()) solve(v[i]);
    cout << ans << "\n";
    return 0;
}

Compilation message

cubeword.cpp: In function 'int conv(char)':
cubeword.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type]
   14 | }
      | ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 300 ms 14828 KB Output is correct
2 Correct 328 ms 15712 KB Output is correct
3 Correct 301 ms 15776 KB Output is correct
4 Correct 284 ms 15760 KB Output is correct
5 Correct 328 ms 15772 KB Output is correct
6 Correct 334 ms 15772 KB Output is correct
7 Correct 335 ms 15780 KB Output is correct
8 Correct 292 ms 15776 KB Output is correct
9 Correct 298 ms 15768 KB Output is correct
10 Correct 310 ms 15700 KB Output is correct
11 Correct 302 ms 15684 KB Output is correct
12 Correct 307 ms 15828 KB Output is correct
13 Correct 343 ms 15752 KB Output is correct
14 Correct 299 ms 15780 KB Output is correct
15 Correct 299 ms 15788 KB Output is correct
16 Correct 331 ms 15760 KB Output is correct
17 Correct 309 ms 15776 KB Output is correct
18 Correct 321 ms 15764 KB Output is correct
19 Correct 320 ms 15764 KB Output is correct
20 Correct 307 ms 15668 KB Output is correct
21 Correct 313 ms 15760 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 300 ms 14828 KB Output is correct
2 Correct 328 ms 15712 KB Output is correct
3 Correct 301 ms 15776 KB Output is correct
4 Correct 284 ms 15760 KB Output is correct
5 Correct 328 ms 15772 KB Output is correct
6 Correct 334 ms 15772 KB Output is correct
7 Correct 335 ms 15780 KB Output is correct
8 Correct 292 ms 15776 KB Output is correct
9 Correct 298 ms 15768 KB Output is correct
10 Correct 310 ms 15700 KB Output is correct
11 Correct 302 ms 15684 KB Output is correct
12 Correct 307 ms 15828 KB Output is correct
13 Correct 343 ms 15752 KB Output is correct
14 Correct 299 ms 15780 KB Output is correct
15 Correct 299 ms 15788 KB Output is correct
16 Correct 331 ms 15760 KB Output is correct
17 Correct 309 ms 15776 KB Output is correct
18 Correct 321 ms 15764 KB Output is correct
19 Correct 320 ms 15764 KB Output is correct
20 Correct 307 ms 15668 KB Output is correct
21 Correct 313 ms 15760 KB Output is correct
22 Correct 299 ms 16408 KB Output is correct
23 Correct 285 ms 16360 KB Output is correct
24 Correct 304 ms 16404 KB Output is correct
25 Correct 334 ms 16432 KB Output is correct
26 Correct 286 ms 16324 KB Output is correct
27 Correct 307 ms 16316 KB Output is correct
28 Correct 293 ms 16344 KB Output is correct
29 Correct 297 ms 16444 KB Output is correct
30 Correct 320 ms 16308 KB Output is correct
31 Correct 319 ms 16360 KB Output is correct
32 Correct 287 ms 16436 KB Output is correct
33 Correct 326 ms 16332 KB Output is correct
34 Correct 321 ms 16348 KB Output is correct
35 Correct 315 ms 16272 KB Output is correct
36 Correct 294 ms 16396 KB Output is correct
37 Correct 306 ms 16340 KB Output is correct
38 Correct 292 ms 16452 KB Output is correct
39 Correct 278 ms 16340 KB Output is correct
40 Correct 283 ms 16452 KB Output is correct
41 Correct 334 ms 16344 KB Output is correct
42 Correct 306 ms 16304 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 300 ms 14828 KB Output is correct
2 Correct 328 ms 15712 KB Output is correct
3 Correct 301 ms 15776 KB Output is correct
4 Correct 284 ms 15760 KB Output is correct
5 Correct 328 ms 15772 KB Output is correct
6 Correct 334 ms 15772 KB Output is correct
7 Correct 335 ms 15780 KB Output is correct
8 Correct 292 ms 15776 KB Output is correct
9 Correct 298 ms 15768 KB Output is correct
10 Correct 310 ms 15700 KB Output is correct
11 Correct 302 ms 15684 KB Output is correct
12 Correct 307 ms 15828 KB Output is correct
13 Correct 343 ms 15752 KB Output is correct
14 Correct 299 ms 15780 KB Output is correct
15 Correct 299 ms 15788 KB Output is correct
16 Correct 331 ms 15760 KB Output is correct
17 Correct 309 ms 15776 KB Output is correct
18 Correct 321 ms 15764 KB Output is correct
19 Correct 320 ms 15764 KB Output is correct
20 Correct 307 ms 15668 KB Output is correct
21 Correct 313 ms 15760 KB Output is correct
22 Correct 299 ms 16408 KB Output is correct
23 Correct 285 ms 16360 KB Output is correct
24 Correct 304 ms 16404 KB Output is correct
25 Correct 334 ms 16432 KB Output is correct
26 Correct 286 ms 16324 KB Output is correct
27 Correct 307 ms 16316 KB Output is correct
28 Correct 293 ms 16344 KB Output is correct
29 Correct 297 ms 16444 KB Output is correct
30 Correct 320 ms 16308 KB Output is correct
31 Correct 319 ms 16360 KB Output is correct
32 Correct 287 ms 16436 KB Output is correct
33 Correct 326 ms 16332 KB Output is correct
34 Correct 321 ms 16348 KB Output is correct
35 Correct 315 ms 16272 KB Output is correct
36 Correct 294 ms 16396 KB Output is correct
37 Correct 306 ms 16340 KB Output is correct
38 Correct 292 ms 16452 KB Output is correct
39 Correct 278 ms 16340 KB Output is correct
40 Correct 283 ms 16452 KB Output is correct
41 Correct 334 ms 16344 KB Output is correct
42 Correct 306 ms 16304 KB Output is correct
43 Correct 343 ms 16548 KB Output is correct
44 Correct 300 ms 16540 KB Output is correct
45 Correct 353 ms 16524 KB Output is correct
46 Correct 330 ms 16524 KB Output is correct
47 Correct 316 ms 16564 KB Output is correct
48 Correct 320 ms 16528 KB Output is correct
49 Correct 353 ms 16532 KB Output is correct
50 Correct 293 ms 16532 KB Output is correct
51 Correct 319 ms 16464 KB Output is correct
52 Correct 325 ms 16516 KB Output is correct
53 Correct 314 ms 16528 KB Output is correct
54 Correct 330 ms 16448 KB Output is correct
55 Correct 319 ms 16556 KB Output is correct
56 Correct 291 ms 16732 KB Output is correct
57 Correct 311 ms 16504 KB Output is correct
58 Correct 287 ms 16444 KB Output is correct
59 Correct 300 ms 16528 KB Output is correct
60 Correct 314 ms 16452 KB Output is correct
61 Correct 285 ms 16452 KB Output is correct
62 Correct 315 ms 16516 KB Output is correct
63 Correct 297 ms 16520 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 300 ms 14828 KB Output is correct
2 Correct 328 ms 15712 KB Output is correct
3 Correct 301 ms 15776 KB Output is correct
4 Correct 284 ms 15760 KB Output is correct
5 Correct 328 ms 15772 KB Output is correct
6 Correct 334 ms 15772 KB Output is correct
7 Correct 335 ms 15780 KB Output is correct
8 Correct 292 ms 15776 KB Output is correct
9 Correct 298 ms 15768 KB Output is correct
10 Correct 310 ms 15700 KB Output is correct
11 Correct 302 ms 15684 KB Output is correct
12 Correct 307 ms 15828 KB Output is correct
13 Correct 343 ms 15752 KB Output is correct
14 Correct 299 ms 15780 KB Output is correct
15 Correct 299 ms 15788 KB Output is correct
16 Correct 331 ms 15760 KB Output is correct
17 Correct 309 ms 15776 KB Output is correct
18 Correct 321 ms 15764 KB Output is correct
19 Correct 320 ms 15764 KB Output is correct
20 Correct 307 ms 15668 KB Output is correct
21 Correct 313 ms 15760 KB Output is correct
22 Correct 299 ms 16408 KB Output is correct
23 Correct 285 ms 16360 KB Output is correct
24 Correct 304 ms 16404 KB Output is correct
25 Correct 334 ms 16432 KB Output is correct
26 Correct 286 ms 16324 KB Output is correct
27 Correct 307 ms 16316 KB Output is correct
28 Correct 293 ms 16344 KB Output is correct
29 Correct 297 ms 16444 KB Output is correct
30 Correct 320 ms 16308 KB Output is correct
31 Correct 319 ms 16360 KB Output is correct
32 Correct 287 ms 16436 KB Output is correct
33 Correct 326 ms 16332 KB Output is correct
34 Correct 321 ms 16348 KB Output is correct
35 Correct 315 ms 16272 KB Output is correct
36 Correct 294 ms 16396 KB Output is correct
37 Correct 306 ms 16340 KB Output is correct
38 Correct 292 ms 16452 KB Output is correct
39 Correct 278 ms 16340 KB Output is correct
40 Correct 283 ms 16452 KB Output is correct
41 Correct 334 ms 16344 KB Output is correct
42 Correct 306 ms 16304 KB Output is correct
43 Correct 343 ms 16548 KB Output is correct
44 Correct 300 ms 16540 KB Output is correct
45 Correct 353 ms 16524 KB Output is correct
46 Correct 330 ms 16524 KB Output is correct
47 Correct 316 ms 16564 KB Output is correct
48 Correct 320 ms 16528 KB Output is correct
49 Correct 353 ms 16532 KB Output is correct
50 Correct 293 ms 16532 KB Output is correct
51 Correct 319 ms 16464 KB Output is correct
52 Correct 325 ms 16516 KB Output is correct
53 Correct 314 ms 16528 KB Output is correct
54 Correct 330 ms 16448 KB Output is correct
55 Correct 319 ms 16556 KB Output is correct
56 Correct 291 ms 16732 KB Output is correct
57 Correct 311 ms 16504 KB Output is correct
58 Correct 287 ms 16444 KB Output is correct
59 Correct 300 ms 16528 KB Output is correct
60 Correct 314 ms 16452 KB Output is correct
61 Correct 285 ms 16452 KB Output is correct
62 Correct 315 ms 16516 KB Output is correct
63 Correct 297 ms 16520 KB Output is correct
64 Incorrect 310 ms 16756 KB Output isn't correct
65 Halted 0 ms 0 KB -