oj.uz

Submission #1099849

# Submission time Handle Problem Language Result Execution time Memory
1099849 2024-10-12T05:36:25 Z model_code Hieroglyphs (IOI24_hieroglyphs) C++17
19 / 100
 72 ms 21220 KB 
// incorrect/felix-tomek-hieroglyphs-greedy-bothsides.cpp

#include "hieroglyphs.h"
#include <vector>
#include <algorithm>
using std::vector;

constexpr int alphabet = 200'001;

vector<int> _ucs(
    const vector<int> text_a,
    const vector<int> text_b)
{
  const int na = text_a.size();
  const int nb = text_b.size();

  vector<vector<int>> positions_a(alphabet);
  vector<vector<int>> positions_b(alphabet);

  for (int i=0; i<na; ++i) {
    positions_a[text_a[i]].push_back(i);
  }
  for (int i=0; i<nb; ++i) {
    positions_b[text_b[i]].push_back(i);
  }

  vector<int> next_a(alphabet, 0);
  vector<int> next_b(alphabet, 0);
  int pos_a = 0;
  int pos_b = 0;
  vector<int> result;

  while (pos_a < na && pos_b < nb) {
    int ta = text_a[pos_a];
    int tb = text_b[pos_b];
    if (ta == tb) {
      result.push_back(ta);
      ++pos_a;
      ++pos_b;
      continue;
    }

    for (int t : {ta, tb}) {
      while (next_a[t] < int(positions_a[t].size()) && positions_a[t][next_a[t]] < pos_a) {
        ++next_a[t];
      }
      while (next_b[t] < int(positions_b[t].size()) && positions_b[t][next_b[t]] < pos_b) {
        ++next_b[t];
      }
    }

    int left_ta_self = int(positions_a[ta].size()) - next_a[ta];
    int left_ta_opp = int(positions_b[ta].size()) - next_b[ta];
    int left_tb_self = int(positions_b[tb].size()) - next_b[tb];
    int left_tb_opp = int(positions_a[tb].size()) - next_a[tb];

    if (left_ta_opp == 0) {
      ++pos_a;
      continue;
    }
    if (left_tb_opp == 0) {
      ++pos_b;
      continue;
    }
    if (left_ta_self <= left_ta_opp) {
      if (left_tb_self <= left_tb_opp) {
        return {-1};
      } else {
        ++pos_b;
        continue;
      }
    } else {
      if (left_tb_self <= left_tb_opp) {
        ++pos_a;
        continue;
      } else {
        int pos_ta_opp = positions_b[ta][next_b[ta]];
        int pos_tb_opp = positions_a[tb][next_a[tb]];
        int last_ta = positions_a[ta][next_a[ta] + left_ta_self - left_ta_opp];
        int last_tb = positions_b[tb][next_b[tb] + left_tb_self - left_tb_opp];
        if (last_ta < pos_tb_opp) {
          if (last_tb < pos_ta_opp) {
            return {-1};
          } else {
            ++pos_b;
            continue;
          }
        } else {
          if (last_tb < pos_ta_opp) {
            ++pos_a;
            continue;
          } else {
            return {-1};
          }
        }
      }
    }
  }

  return result;
}


vector<int> ucs(vector<int> a, vector<int> b) {
  vector<int> r1 = _ucs(a, b);
  std::reverse(a.begin(), a.end());
  std::reverse(b.begin(), b.end());
  vector<int> r2 = _ucs(a, b);
  std::reverse(r2.begin(), r2.end());
  return (r1 == r2) ? r1 : vector<int>({-1});
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11356 KB Output is correct
2 Correct 5 ms 11356 KB Output is correct
3 Correct 5 ms 11356 KB Output is correct

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11356 KB Output is correct
2 Correct 5 ms 11356 KB Output is correct
3 Correct 5 ms 11420 KB Output is correct
4 Correct 6 ms 11416 KB Output is correct
5 Correct 61 ms 21220 KB Output is correct
6 Correct 52 ms 19840 KB Output is correct
7 Correct 57 ms 20608 KB Output is correct

Subtask #2
0.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11356 KB Output is correct
2 Correct 5 ms 11356 KB Output is correct
3 Correct 5 ms 11420 KB Output is correct
4 Correct 6 ms 11416 KB Output is correct
5 Correct 61 ms 21220 KB Output is correct
6 Correct 52 ms 19840 KB Output is correct
7 Correct 57 ms 20608 KB Output is correct
8 Correct 51 ms 17724 KB Output is correct
9 Correct 58 ms 17740 KB Output is correct
10 Correct 59 ms 17728 KB Output is correct
11 Correct 64 ms 17764 KB Output is correct
12 Correct 58 ms 17736 KB Output is correct
13 Correct 53 ms 17736 KB Output is correct
14 Correct 72 ms 17744 KB Output is correct
15 Correct 50 ms 17744 KB Output is correct
16 Correct 51 ms 17856 KB Output is correct
17 Correct 56 ms 17908 KB Output is correct
18 Correct 5 ms 11356 KB Output is correct
19 Correct 6 ms 11356 KB Output is correct
20 Correct 6 ms 11420 KB Output is correct
21 Correct 7 ms 11584 KB Output is correct
22 Correct 32 ms 15572 KB Output is correct
23 Correct 61 ms 18692 KB Output is correct
24 Correct 53 ms 18692 KB Output is correct
25 Correct 54 ms 18696 KB Output is correct
26 Correct 45 ms 16476 KB Output is correct
27 Correct 51 ms 17736 KB Output is correct
28 Correct 54 ms 17744 KB Output is correct
29 Incorrect 54 ms 17748 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #3
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 15880 KB Output is correct
2 Correct 27 ms 15792 KB Output is correct
3 Correct 25 ms 15300 KB Output is correct
4 Correct 25 ms 14944 KB Output is correct
5 Correct 27 ms 15596 KB Output is correct
6 Correct 15 ms 13416 KB Output is correct
7 Correct 5 ms 11328 KB Output is correct
8 Correct 6 ms 11372 KB Output is correct
9 Correct 6 ms 11356 KB Output is correct
10 Correct 5 ms 11240 KB Output is correct
11 Correct 6 ms 11356 KB Output is correct
12 Correct 5 ms 11356 KB Output is correct
13 Correct 6 ms 11356 KB Output is correct
14 Correct 5 ms 11356 KB Output is correct
15 Correct 5 ms 11352 KB Output is correct
16 Correct 25 ms 15944 KB Output is correct
17 Correct 20 ms 15228 KB Output is correct
18 Correct 20 ms 14440 KB Output is correct
19 Correct 15 ms 14180 KB Output is correct
20 Correct 25 ms 14988 KB Output is correct
21 Correct 18 ms 14560 KB Output is correct
22 Correct 18 ms 14964 KB Output is correct
23 Incorrect 24 ms 15864 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 17724 KB Output is correct
2 Correct 58 ms 17740 KB Output is correct
3 Correct 59 ms 17728 KB Output is correct
4 Correct 64 ms 17764 KB Output is correct
5 Correct 58 ms 17736 KB Output is correct
6 Correct 53 ms 17736 KB Output is correct
7 Correct 72 ms 17744 KB Output is correct
8 Correct 50 ms 17744 KB Output is correct
9 Correct 51 ms 17856 KB Output is correct
10 Correct 56 ms 17908 KB Output is correct
11 Correct 5 ms 11356 KB Output is correct
12 Correct 6 ms 11356 KB Output is correct
13 Correct 6 ms 11420 KB Output is correct
14 Correct 7 ms 11584 KB Output is correct
15 Correct 32 ms 15572 KB Output is correct
16 Correct 61 ms 18692 KB Output is correct
17 Correct 53 ms 18692 KB Output is correct
18 Correct 54 ms 18696 KB Output is correct
19 Correct 45 ms 16476 KB Output is correct
20 Correct 28 ms 15880 KB Output is correct
21 Correct 27 ms 15792 KB Output is correct
22 Correct 25 ms 15300 KB Output is correct
23 Correct 25 ms 14944 KB Output is correct
24 Correct 27 ms 15596 KB Output is correct
25 Correct 15 ms 13416 KB Output is correct
26 Correct 6 ms 11420 KB Output is correct
27 Correct 7 ms 11420 KB Output is correct
28 Correct 6 ms 11420 KB Output is correct
29 Correct 11 ms 11508 KB Output is correct
30 Correct 6 ms 11408 KB Output is correct
31 Correct 6 ms 11420 KB Output is correct
32 Correct 7 ms 11420 KB Output is correct
33 Correct 7 ms 11416 KB Output is correct
34 Correct 11 ms 12444 KB Output is correct
35 Correct 27 ms 15884 KB Output is correct
36 Correct 36 ms 16136 KB Output is correct
37 Correct 32 ms 16120 KB Output is correct
38 Correct 33 ms 15896 KB Output is correct
39 Correct 32 ms 15868 KB Output is correct
40 Correct 51 ms 17484 KB Output is correct
41 Correct 43 ms 16300 KB Output is correct
42 Correct 29 ms 14972 KB Output is correct
43 Correct 29 ms 14692 KB Output is correct
44 Correct 30 ms 14860 KB Output is correct
45 Correct 30 ms 15056 KB Output is correct
46 Correct 48 ms 16284 KB Output is correct
47 Correct 47 ms 16184 KB Output is correct
48 Correct 44 ms 16268 KB Output is correct
49 Correct 50 ms 15980 KB Output is correct
50 Correct 45 ms 16032 KB Output is correct
51 Correct 43 ms 16044 KB Output is correct
52 Correct 52 ms 16080 KB Output is correct
53 Correct 45 ms 16092 KB Output is correct
54 Correct 52 ms 16076 KB Output is correct
55 Correct 17 ms 13076 KB Output is correct
56 Correct 39 ms 16136 KB Output is correct
57 Correct 31 ms 15684 KB Output is correct
58 Correct 34 ms 16132 KB Output is correct
59 Correct 36 ms 16148 KB Output is correct
60 Correct 40 ms 16056 KB Output is correct

Subtask #5
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 11328 KB Output is correct
2 Correct 6 ms 11372 KB Output is correct
3 Correct 6 ms 11356 KB Output is correct
4 Correct 5 ms 11240 KB Output is correct
5 Correct 6 ms 11356 KB Output is correct
6 Correct 5 ms 11356 KB Output is correct
7 Correct 6 ms 11356 KB Output is correct
8 Correct 5 ms 11356 KB Output is correct
9 Correct 5 ms 11352 KB Output is correct
10 Correct 6 ms 11420 KB Output is correct
11 Correct 7 ms 11420 KB Output is correct
12 Correct 6 ms 11420 KB Output is correct
13 Correct 11 ms 11508 KB Output is correct
14 Correct 6 ms 11408 KB Output is correct
15 Correct 6 ms 11420 KB Output is correct
16 Correct 7 ms 11420 KB Output is correct
17 Correct 7 ms 11416 KB Output is correct
18 Correct 7 ms 11528 KB Output is correct
19 Correct 7 ms 11420 KB Output is correct
20 Correct 7 ms 11420 KB Output is correct
21 Correct 6 ms 11420 KB Output is correct
22 Correct 10 ms 11420 KB Output is correct
23 Correct 6 ms 11420 KB Output is correct
24 Correct 7 ms 11420 KB Output is correct
25 Incorrect 7 ms 11392 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #6
0.0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11356 KB Output is correct
2 Correct 5 ms 11356 KB Output is correct
3 Correct 5 ms 11356 KB Output is correct
4 Correct 6 ms 11356 KB Output is correct
5 Correct 5 ms 11356 KB Output is correct
6 Correct 5 ms 11420 KB Output is correct
7 Correct 6 ms 11416 KB Output is correct
8 Correct 61 ms 21220 KB Output is correct
9 Correct 52 ms 19840 KB Output is correct
10 Correct 57 ms 20608 KB Output is correct
11 Correct 51 ms 17724 KB Output is correct
12 Correct 58 ms 17740 KB Output is correct
13 Correct 59 ms 17728 KB Output is correct
14 Correct 64 ms 17764 KB Output is correct
15 Correct 58 ms 17736 KB Output is correct
16 Correct 53 ms 17736 KB Output is correct
17 Correct 72 ms 17744 KB Output is correct
18 Correct 50 ms 17744 KB Output is correct
19 Correct 51 ms 17856 KB Output is correct
20 Correct 56 ms 17908 KB Output is correct
21 Correct 5 ms 11356 KB Output is correct
22 Correct 6 ms 11356 KB Output is correct
23 Correct 6 ms 11420 KB Output is correct
24 Correct 7 ms 11584 KB Output is correct
25 Correct 32 ms 15572 KB Output is correct
26 Correct 61 ms 18692 KB Output is correct
27 Correct 53 ms 18692 KB Output is correct
28 Correct 54 ms 18696 KB Output is correct
29 Correct 45 ms 16476 KB Output is correct
30 Correct 51 ms 17736 KB Output is correct
31 Correct 54 ms 17744 KB Output is correct
32 Incorrect 54 ms 17748 KB Output isn't correct
33 Halted 0 ms 0 KB -