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답안 #1088821

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1088821 2024-09-15T08:26:17 Z juicy Cubeword (CEOI19_cubeword) C++17
100 / 100
 236 ms 19796 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int M = 998244353, C = 62;

int cnt[C][C], f[C][C][C];

int conv(char c) {
  if ('a' <= c && c <= 'z') {
    return c - 'a';
  }
  if ('A' <= c && c <= 'Z') {
    return c - 'A' + 26;
  }
  return c - '0' + 52;
}

void add(int &x, int y) {
  if ((x += y) >= M) {
    x -= M;
  }
}

int solve(set<string> cnd) {
  memset(cnt, 0, sizeof(cnt));
  memset(f, 0, sizeof(f));
  for (auto s : cnd) {
    ++cnt[conv(s[0])][conv(s.back())];
  }
  for (int i = 0; i < C; ++i) {
    for (int j = i; j < C; ++j) {
      for (int k = j; k < C; ++k) {
        for (int l = 0; l < C; ++l) {
          add(f[i][j][k], (long long) cnt[i][l] * cnt[j][l] % M * cnt[k][l] % M);
        }
      }
    }
  }
  int res = 0;
  for (int i = 0; i < C; ++i) {
    for (int j = i; j < C; ++j) {
      for (int k = j; k < C; ++k) {
        for (int l = k; l < C; ++l) {
          int ways = (long long) f[i][j][k] * f[i][j][l] % M * f[i][k][l] % M * f[j][k][l] % M;
          if (i == l) {
            add(res, ways);
          } else if (i == k || j == l) {
            add(res, (long long) ways * 4 % M);
          } else if (i == j && l == k) {
            add(res, (long long) ways * 6 % M);
          } else if (i == j || j == k || k == l) {
            add(res, (long long) ways * 12 % M);
          } else {
            add(res, (long long) ways * 24 % M);
          }
        }
      }
    }
  }
  return res;
}

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  int n; cin >> n;
  array<set<string>, 10> buc;
  while (n--) {
    string s; cin >> s;
    int l = s.size() - 1;
    buc[l].insert(s);
    reverse(s.begin(), s.end());
    buc[l].insert(s);
  }
  int res = 0;
  for (int i = 2; i < 10; ++i) {
    add(res, solve(buc[i]));
  }
  cout << res;
  return 0;
}

Subtask #1
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 224 ms 19536 KB Output is correct
2 Correct 229 ms 19536 KB Output is correct
3 Correct 215 ms 19668 KB Output is correct
4 Correct 213 ms 19540 KB Output is correct
5 Correct 214 ms 19536 KB Output is correct
6 Correct 216 ms 19536 KB Output is correct
7 Correct 220 ms 19536 KB Output is correct
8 Correct 211 ms 19540 KB Output is correct
9 Correct 223 ms 19540 KB Output is correct
10 Correct 217 ms 19536 KB Output is correct
11 Correct 216 ms 19540 KB Output is correct
12 Correct 222 ms 19624 KB Output is correct
13 Correct 223 ms 19540 KB Output is correct
14 Correct 205 ms 19708 KB Output is correct
15 Correct 215 ms 19668 KB Output is correct
16 Correct 227 ms 19472 KB Output is correct
17 Correct 218 ms 19536 KB Output is correct
18 Correct 213 ms 19544 KB Output is correct
19 Correct 221 ms 19624 KB Output is correct
20 Correct 211 ms 19540 KB Output is correct
21 Correct 213 ms 19492 KB Output is correct

Subtask #2
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 224 ms 19536 KB Output is correct
2 Correct 229 ms 19536 KB Output is correct
3 Correct 215 ms 19668 KB Output is correct
4 Correct 213 ms 19540 KB Output is correct
5 Correct 214 ms 19536 KB Output is correct
6 Correct 216 ms 19536 KB Output is correct
7 Correct 220 ms 19536 KB Output is correct
8 Correct 211 ms 19540 KB Output is correct
9 Correct 223 ms 19540 KB Output is correct
10 Correct 217 ms 19536 KB Output is correct
11 Correct 216 ms 19540 KB Output is correct
12 Correct 222 ms 19624 KB Output is correct
13 Correct 223 ms 19540 KB Output is correct
14 Correct 205 ms 19708 KB Output is correct
15 Correct 215 ms 19668 KB Output is correct
16 Correct 227 ms 19472 KB Output is correct
17 Correct 218 ms 19536 KB Output is correct
18 Correct 213 ms 19544 KB Output is correct
19 Correct 221 ms 19624 KB Output is correct
20 Correct 211 ms 19540 KB Output is correct
21 Correct 213 ms 19492 KB Output is correct
22 Correct 225 ms 19280 KB Output is correct
23 Correct 214 ms 19476 KB Output is correct
24 Correct 212 ms 19488 KB Output is correct
25 Correct 217 ms 19384 KB Output is correct
26 Correct 217 ms 19424 KB Output is correct
27 Correct 230 ms 19280 KB Output is correct
28 Correct 208 ms 19280 KB Output is correct
29 Correct 216 ms 19284 KB Output is correct
30 Correct 219 ms 19280 KB Output is correct
31 Correct 214 ms 19284 KB Output is correct
32 Correct 213 ms 19396 KB Output is correct
33 Correct 225 ms 19284 KB Output is correct
34 Correct 219 ms 19484 KB Output is correct
35 Correct 220 ms 19280 KB Output is correct
36 Correct 225 ms 19284 KB Output is correct
37 Correct 225 ms 19280 KB Output is correct
38 Correct 210 ms 19280 KB Output is correct
39 Correct 222 ms 19484 KB Output is correct
40 Correct 212 ms 19332 KB Output is correct
41 Correct 219 ms 19356 KB Output is correct
42 Correct 213 ms 19284 KB Output is correct

Subtask #3
34.0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Correct 224 ms 19536 KB Output is correct
2 Correct 229 ms 19536 KB Output is correct
3 Correct 215 ms 19668 KB Output is correct
4 Correct 213 ms 19540 KB Output is correct
5 Correct 214 ms 19536 KB Output is correct
6 Correct 216 ms 19536 KB Output is correct
7 Correct 220 ms 19536 KB Output is correct
8 Correct 211 ms 19540 KB Output is correct
9 Correct 223 ms 19540 KB Output is correct
10 Correct 217 ms 19536 KB Output is correct
11 Correct 216 ms 19540 KB Output is correct
12 Correct 222 ms 19624 KB Output is correct
13 Correct 223 ms 19540 KB Output is correct
14 Correct 205 ms 19708 KB Output is correct
15 Correct 215 ms 19668 KB Output is correct
16 Correct 227 ms 19472 KB Output is correct
17 Correct 218 ms 19536 KB Output is correct
18 Correct 213 ms 19544 KB Output is correct
19 Correct 221 ms 19624 KB Output is correct
20 Correct 211 ms 19540 KB Output is correct
21 Correct 213 ms 19492 KB Output is correct
22 Correct 225 ms 19280 KB Output is correct
23 Correct 214 ms 19476 KB Output is correct
24 Correct 212 ms 19488 KB Output is correct
25 Correct 217 ms 19384 KB Output is correct
26 Correct 217 ms 19424 KB Output is correct
27 Correct 230 ms 19280 KB Output is correct
28 Correct 208 ms 19280 KB Output is correct
29 Correct 216 ms 19284 KB Output is correct
30 Correct 219 ms 19280 KB Output is correct
31 Correct 214 ms 19284 KB Output is correct
32 Correct 213 ms 19396 KB Output is correct
33 Correct 225 ms 19284 KB Output is correct
34 Correct 219 ms 19484 KB Output is correct
35 Correct 220 ms 19280 KB Output is correct
36 Correct 225 ms 19284 KB Output is correct
37 Correct 225 ms 19280 KB Output is correct
38 Correct 210 ms 19280 KB Output is correct
39 Correct 222 ms 19484 KB Output is correct
40 Correct 212 ms 19332 KB Output is correct
41 Correct 219 ms 19356 KB Output is correct
42 Correct 213 ms 19284 KB Output is correct
43 Correct 227 ms 19284 KB Output is correct
44 Correct 213 ms 19268 KB Output is correct
45 Correct 222 ms 19284 KB Output is correct
46 Correct 214 ms 19396 KB Output is correct
47 Correct 226 ms 19284 KB Output is correct
48 Correct 221 ms 19284 KB Output is correct
49 Correct 210 ms 19280 KB Output is correct
50 Correct 224 ms 19280 KB Output is correct
51 Correct 230 ms 19304 KB Output is correct
52 Correct 216 ms 19372 KB Output is correct
53 Correct 235 ms 19284 KB Output is correct
54 Correct 220 ms 19540 KB Output is correct
55 Correct 215 ms 19280 KB Output is correct
56 Correct 218 ms 19280 KB Output is correct
57 Correct 222 ms 19292 KB Output is correct
58 Correct 220 ms 19284 KB Output is correct
59 Correct 220 ms 19280 KB Output is correct
60 Correct 219 ms 19280 KB Output is correct
61 Correct 221 ms 19540 KB Output is correct
62 Correct 220 ms 19280 KB Output is correct
63 Correct 216 ms 19304 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 224 ms 19536 KB Output is correct
2 Correct 229 ms 19536 KB Output is correct
3 Correct 215 ms 19668 KB Output is correct
4 Correct 213 ms 19540 KB Output is correct
5 Correct 214 ms 19536 KB Output is correct
6 Correct 216 ms 19536 KB Output is correct
7 Correct 220 ms 19536 KB Output is correct
8 Correct 211 ms 19540 KB Output is correct
9 Correct 223 ms 19540 KB Output is correct
10 Correct 217 ms 19536 KB Output is correct
11 Correct 216 ms 19540 KB Output is correct
12 Correct 222 ms 19624 KB Output is correct
13 Correct 223 ms 19540 KB Output is correct
14 Correct 205 ms 19708 KB Output is correct
15 Correct 215 ms 19668 KB Output is correct
16 Correct 227 ms 19472 KB Output is correct
17 Correct 218 ms 19536 KB Output is correct
18 Correct 213 ms 19544 KB Output is correct
19 Correct 221 ms 19624 KB Output is correct
20 Correct 211 ms 19540 KB Output is correct
21 Correct 213 ms 19492 KB Output is correct
22 Correct 225 ms 19280 KB Output is correct
23 Correct 214 ms 19476 KB Output is correct
24 Correct 212 ms 19488 KB Output is correct
25 Correct 217 ms 19384 KB Output is correct
26 Correct 217 ms 19424 KB Output is correct
27 Correct 230 ms 19280 KB Output is correct
28 Correct 208 ms 19280 KB Output is correct
29 Correct 216 ms 19284 KB Output is correct
30 Correct 219 ms 19280 KB Output is correct
31 Correct 214 ms 19284 KB Output is correct
32 Correct 213 ms 19396 KB Output is correct
33 Correct 225 ms 19284 KB Output is correct
34 Correct 219 ms 19484 KB Output is correct
35 Correct 220 ms 19280 KB Output is correct
36 Correct 225 ms 19284 KB Output is correct
37 Correct 225 ms 19280 KB Output is correct
38 Correct 210 ms 19280 KB Output is correct
39 Correct 222 ms 19484 KB Output is correct
40 Correct 212 ms 19332 KB Output is correct
41 Correct 219 ms 19356 KB Output is correct
42 Correct 213 ms 19284 KB Output is correct
43 Correct 227 ms 19284 KB Output is correct
44 Correct 213 ms 19268 KB Output is correct
45 Correct 222 ms 19284 KB Output is correct
46 Correct 214 ms 19396 KB Output is correct
47 Correct 226 ms 19284 KB Output is correct
48 Correct 221 ms 19284 KB Output is correct
49 Correct 210 ms 19280 KB Output is correct
50 Correct 224 ms 19280 KB Output is correct
51 Correct 230 ms 19304 KB Output is correct
52 Correct 216 ms 19372 KB Output is correct
53 Correct 235 ms 19284 KB Output is correct
54 Correct 220 ms 19540 KB Output is correct
55 Correct 215 ms 19280 KB Output is correct
56 Correct 218 ms 19280 KB Output is correct
57 Correct 222 ms 19292 KB Output is correct
58 Correct 220 ms 19284 KB Output is correct
59 Correct 220 ms 19280 KB Output is correct
60 Correct 219 ms 19280 KB Output is correct
61 Correct 221 ms 19540 KB Output is correct
62 Correct 220 ms 19280 KB Output is correct
63 Correct 216 ms 19304 KB Output is correct
64 Correct 230 ms 19472 KB Output is correct
65 Correct 220 ms 19548 KB Output is correct
66 Correct 221 ms 19524 KB Output is correct
67 Correct 221 ms 19536 KB Output is correct
68 Correct 218 ms 19612 KB Output is correct
69 Correct 214 ms 19464 KB Output is correct
70 Correct 228 ms 19540 KB Output is correct
71 Correct 217 ms 19536 KB Output is correct
72 Correct 222 ms 19792 KB Output is correct
73 Correct 213 ms 19540 KB Output is correct
74 Correct 216 ms 19656 KB Output is correct
75 Correct 234 ms 19456 KB Output is correct
76 Correct 220 ms 19504 KB Output is correct
77 Correct 222 ms 19568 KB Output is correct
78 Correct 222 ms 19792 KB Output is correct
79 Correct 221 ms 19536 KB Output is correct
80 Correct 214 ms 19576 KB Output is correct
81 Correct 236 ms 19536 KB Output is correct
82 Correct 216 ms 19536 KB Output is correct
83 Correct 212 ms 19536 KB Output is correct
84 Correct 223 ms 19796 KB Output is correct