oj.uz

Submission #660094

# Submission time Handle Problem Language Result Execution time Memory
660094 2022-11-20T10:57:37 Z 600Mihnea Cubeword (CEOI19_cubeword) C++17
50 / 100
 74 ms 9040 KB 
bool home = 0;
#include <bits/stdc++.h>

using namespace std;

const int MODULO = 998244353;

int get_char_id(char ch) {
  assert(('a' <= ch && ch <= 'z') || ('A' <= ch && ch <= 'Z') || ('0' <= ch && ch <= '9'));
  if ('a' <= ch && ch <= 'z') {
    return ch - 'a';
  }
  if ('A' <= ch && ch <= 'Z') {
    return 1 + get_char_id('z') + ch - 'A';
  }
  return 1 + get_char_id('Z') + ch - '0';
}

const int MAX_WORD_LENGTH = 10;
///const int ALPHABET_SIZE = 2 * 26 + 10;
const int ALPHABET_SIZE = 16;
vector<string> words[MAX_WORD_LENGTH + 1];
int cnt_words[ALPHABET_SIZE][ALPHABET_SIZE];
int cnt3[ALPHABET_SIZE][ALPHABET_SIZE][ALPHABET_SIZE];

int main() {
  if (home == 0) {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  } else {
    freopen ("input.txt", "r", stdin);
  }

  {
    size_t num_samples;
    cin >> num_samples;
    for (size_t sample_index = 0; sample_index < num_samples; sample_index++) {
      string word;
      cin >> word;
      words[word.size()].push_back(word);
    }
  }
  int solution = 0;
  for (size_t word_length = 1; word_length <= MAX_WORD_LENGTH; word_length++) {
    if (words[word_length].empty()) {
      continue;
    }
    size_t word_count = words[word_length].size();
    for (size_t word_index = 0; word_index < word_count; word_index++) {
      string reverse_word = words[word_length][word_index];
      reverse(reverse_word.begin(), reverse_word.end());
      words[word_length].push_back(reverse_word);
    }
    sort(words[word_length].begin(), words[word_length].end());
    words[word_length].resize(unique(words[word_length].begin(), words[word_length].end()) - words[word_length].begin());
    word_count = words[word_length].size();
    for (size_t first_letter = 0; first_letter < ALPHABET_SIZE; first_letter++) {
      for (size_t last_letter = 0; last_letter < ALPHABET_SIZE; last_letter++) {
        cnt_words[first_letter][last_letter] = 0;
      }
    }
    for (size_t word_index = 0; word_index < word_count; word_index++) {
      cnt_words[get_char_id(words[word_length][word_index][0])][get_char_id(words[word_length][word_index].back())]++;
    }
    for (size_t a = 0; a < ALPHABET_SIZE; a++) {
      for (size_t b = 0; b < ALPHABET_SIZE; b++) {
        for (size_t c = 0; c < ALPHABET_SIZE; c++) {
          cnt3[a][b][c] = 0;
          for (size_t d = 0; d < ALPHABET_SIZE; d++) {
            cnt3[a][b][c] = (cnt3[a][b][c] + 1LL * cnt_words[d][a] * cnt_words[d][b] * cnt_words[d][c]) % MODULO;
          }
        }
      }
    }
    for (size_t a = 0; a < ALPHABET_SIZE; a++) {
      for (size_t b = 0; b < ALPHABET_SIZE; b++) {
        for (size_t c = 0; c < ALPHABET_SIZE; c++) {
          for (size_t d = 0; d < ALPHABET_SIZE; d++) {
            int x1 = cnt3[a][b][c];
            int x2 = cnt3[a][d][b];
            int x3 = cnt3[a][c][d];
            int x4 = cnt3[b][c][d];
            solution = (solution + 1LL * x1 * x2 % MODULO * x3 % MODULO * x4) % MODULO;
             /* solution = (solution + 1LL * cnt_words[a][d] * cnt_words[a][f] * cnt_words[b][d] % MODULO * cnt_words[b][e] * cnt_words[c][f] * cnt_words[c][e] % MODULO * cnt3[a][b][c] % MODULO * cnt3[d][e][f]) % MODULO;

            }*/
          }
        }
      }
    }
  }
  cout << solution << "\n";

  return 0;
}

Compilation message

cubeword.cpp: In function 'int main()':
cubeword.cpp:30:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     freopen ("input.txt", "r", stdin);
      |     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 7964 KB Output is correct
2 Correct 60 ms 7916 KB Output is correct
3 Correct 58 ms 7824 KB Output is correct
4 Correct 59 ms 7820 KB Output is correct
5 Correct 66 ms 7932 KB Output is correct
6 Correct 61 ms 7824 KB Output is correct
7 Correct 61 ms 7864 KB Output is correct
8 Correct 60 ms 7864 KB Output is correct
9 Correct 60 ms 7900 KB Output is correct
10 Correct 59 ms 7868 KB Output is correct
11 Correct 60 ms 7796 KB Output is correct
12 Correct 57 ms 7820 KB Output is correct
13 Correct 61 ms 7896 KB Output is correct
14 Correct 61 ms 7776 KB Output is correct
15 Correct 59 ms 7772 KB Output is correct
16 Correct 61 ms 7864 KB Output is correct
17 Correct 60 ms 7756 KB Output is correct
18 Correct 62 ms 7908 KB Output is correct
19 Correct 60 ms 7868 KB Output is correct
20 Correct 61 ms 7876 KB Output is correct
21 Correct 74 ms 7944 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 7964 KB Output is correct
2 Correct 60 ms 7916 KB Output is correct
3 Correct 58 ms 7824 KB Output is correct
4 Correct 59 ms 7820 KB Output is correct
5 Correct 66 ms 7932 KB Output is correct
6 Correct 61 ms 7824 KB Output is correct
7 Correct 61 ms 7864 KB Output is correct
8 Correct 60 ms 7864 KB Output is correct
9 Correct 60 ms 7900 KB Output is correct
10 Correct 59 ms 7868 KB Output is correct
11 Correct 60 ms 7796 KB Output is correct
12 Correct 57 ms 7820 KB Output is correct
13 Correct 61 ms 7896 KB Output is correct
14 Correct 61 ms 7776 KB Output is correct
15 Correct 59 ms 7772 KB Output is correct
16 Correct 61 ms 7864 KB Output is correct
17 Correct 60 ms 7756 KB Output is correct
18 Correct 62 ms 7908 KB Output is correct
19 Correct 60 ms 7868 KB Output is correct
20 Correct 61 ms 7876 KB Output is correct
21 Correct 74 ms 7944 KB Output is correct
22 Correct 58 ms 6884 KB Output is correct
23 Correct 59 ms 7732 KB Output is correct
24 Correct 58 ms 7628 KB Output is correct
25 Correct 64 ms 7660 KB Output is correct
26 Correct 59 ms 7744 KB Output is correct
27 Correct 58 ms 7628 KB Output is correct
28 Correct 58 ms 7748 KB Output is correct
29 Correct 65 ms 7604 KB Output is correct
30 Correct 59 ms 7756 KB Output is correct
31 Correct 60 ms 7676 KB Output is correct
32 Correct 58 ms 7664 KB Output is correct
33 Correct 63 ms 7752 KB Output is correct
34 Correct 58 ms 7724 KB Output is correct
35 Correct 59 ms 7844 KB Output is correct
36 Correct 60 ms 7788 KB Output is correct
37 Correct 57 ms 7672 KB Output is correct
38 Correct 58 ms 7676 KB Output is correct
39 Correct 60 ms 7636 KB Output is correct
40 Correct 58 ms 7620 KB Output is correct
41 Correct 58 ms 7632 KB Output is correct
42 Correct 58 ms 8196 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 7964 KB Output is correct
2 Correct 60 ms 7916 KB Output is correct
3 Correct 58 ms 7824 KB Output is correct
4 Correct 59 ms 7820 KB Output is correct
5 Correct 66 ms 7932 KB Output is correct
6 Correct 61 ms 7824 KB Output is correct
7 Correct 61 ms 7864 KB Output is correct
8 Correct 60 ms 7864 KB Output is correct
9 Correct 60 ms 7900 KB Output is correct
10 Correct 59 ms 7868 KB Output is correct
11 Correct 60 ms 7796 KB Output is correct
12 Correct 57 ms 7820 KB Output is correct
13 Correct 61 ms 7896 KB Output is correct
14 Correct 61 ms 7776 KB Output is correct
15 Correct 59 ms 7772 KB Output is correct
16 Correct 61 ms 7864 KB Output is correct
17 Correct 60 ms 7756 KB Output is correct
18 Correct 62 ms 7908 KB Output is correct
19 Correct 60 ms 7868 KB Output is correct
20 Correct 61 ms 7876 KB Output is correct
21 Correct 74 ms 7944 KB Output is correct
22 Correct 58 ms 6884 KB Output is correct
23 Correct 59 ms 7732 KB Output is correct
24 Correct 58 ms 7628 KB Output is correct
25 Correct 64 ms 7660 KB Output is correct
26 Correct 59 ms 7744 KB Output is correct
27 Correct 58 ms 7628 KB Output is correct
28 Correct 58 ms 7748 KB Output is correct
29 Correct 65 ms 7604 KB Output is correct
30 Correct 59 ms 7756 KB Output is correct
31 Correct 60 ms 7676 KB Output is correct
32 Correct 58 ms 7664 KB Output is correct
33 Correct 63 ms 7752 KB Output is correct
34 Correct 58 ms 7724 KB Output is correct
35 Correct 59 ms 7844 KB Output is correct
36 Correct 60 ms 7788 KB Output is correct
37 Correct 57 ms 7672 KB Output is correct
38 Correct 58 ms 7676 KB Output is correct
39 Correct 60 ms 7636 KB Output is correct
40 Correct 58 ms 7620 KB Output is correct
41 Correct 58 ms 7632 KB Output is correct
42 Correct 58 ms 8196 KB Output is correct
43 Runtime error 19 ms 9040 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 7964 KB Output is correct
2 Correct 60 ms 7916 KB Output is correct
3 Correct 58 ms 7824 KB Output is correct
4 Correct 59 ms 7820 KB Output is correct
5 Correct 66 ms 7932 KB Output is correct
6 Correct 61 ms 7824 KB Output is correct
7 Correct 61 ms 7864 KB Output is correct
8 Correct 60 ms 7864 KB Output is correct
9 Correct 60 ms 7900 KB Output is correct
10 Correct 59 ms 7868 KB Output is correct
11 Correct 60 ms 7796 KB Output is correct
12 Correct 57 ms 7820 KB Output is correct
13 Correct 61 ms 7896 KB Output is correct
14 Correct 61 ms 7776 KB Output is correct
15 Correct 59 ms 7772 KB Output is correct
16 Correct 61 ms 7864 KB Output is correct
17 Correct 60 ms 7756 KB Output is correct
18 Correct 62 ms 7908 KB Output is correct
19 Correct 60 ms 7868 KB Output is correct
20 Correct 61 ms 7876 KB Output is correct
21 Correct 74 ms 7944 KB Output is correct
22 Correct 58 ms 6884 KB Output is correct
23 Correct 59 ms 7732 KB Output is correct
24 Correct 58 ms 7628 KB Output is correct
25 Correct 64 ms 7660 KB Output is correct
26 Correct 59 ms 7744 KB Output is correct
27 Correct 58 ms 7628 KB Output is correct
28 Correct 58 ms 7748 KB Output is correct
29 Correct 65 ms 7604 KB Output is correct
30 Correct 59 ms 7756 KB Output is correct
31 Correct 60 ms 7676 KB Output is correct
32 Correct 58 ms 7664 KB Output is correct
33 Correct 63 ms 7752 KB Output is correct
34 Correct 58 ms 7724 KB Output is correct
35 Correct 59 ms 7844 KB Output is correct
36 Correct 60 ms 7788 KB Output is correct
37 Correct 57 ms 7672 KB Output is correct
38 Correct 58 ms 7676 KB Output is correct
39 Correct 60 ms 7636 KB Output is correct
40 Correct 58 ms 7620 KB Output is correct
41 Correct 58 ms 7632 KB Output is correct
42 Correct 58 ms 8196 KB Output is correct
43 Runtime error 19 ms 9040 KB Execution killed with signal 11
44 Halted 0 ms 0 KB -