oj.uz

Submission #437161

# Submission time Handle Problem Language Result Execution time Memory
437161 2021-06-26T00:51:41 Z flashmt Mutating DNA (IOI21_dna) C++17
100 / 100
 69 ms 8452 KB 
#include <bits/stdc++.h>
using namespace std;

int n, cntA[3][100100], cntB[3][100100], cntAB[3][3][100100];

void init(string a, string b)
{
  int m[256];
  m['A'] = 0;
  m['C'] = 1;
  m['T'] = 2;
  n = a.size();
  for (int i = 0; i < n; i++)
  {
    for (int j = 0; j < 3; j++)
    {
      cntA[j][i + 1] = cntA[j][i];
      cntB[j][i + 1] = cntB[j][i];
      for (int k = 0; k < 3; k++)
        cntAB[j][k][i + 1] = cntAB[j][k][i];
    }
    cntA[m[a[i]]][i + 1]++;
    cntB[m[b[i]]][i + 1]++;
    cntAB[m[a[i]]][m[b[i]]][i + 1]++;
  }
}

int get_distance(int x, int y) {
  y++;
  for (int i = 0; i < 3; i++)
    if (cntA[i][y] - cntA[i][x] != cntB[i][y] - cntB[i][x])
      return -1;

  int ans = 0, share = 0;
  for (int i = 0; i < 3; i++)
    for (int j = i + 1; j < 3; j++)
    {
      int u = cntAB[i][j][y] - cntAB[i][j][x];
      int v = cntAB[j][i][y] - cntAB[j][i][x];
      ans += min(u, v);
      share += abs(u - v);
    }
  assert(share % 3 == 0);
  ans += share / 3 * 2;
	return ans;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:22:16: warning: array subscript has type 'char' [-Wchar-subscripts]
   22 |     cntA[m[a[i]]][i + 1]++;
      |                ^
dna.cpp:23:16: warning: array subscript has type 'char' [-Wchar-subscripts]
   23 |     cntB[m[b[i]]][i + 1]++;
      |                ^
dna.cpp:24:17: warning: array subscript has type 'char' [-Wchar-subscripts]
   24 |     cntAB[m[a[i]]][m[b[i]]][i + 1]++;
      |                 ^
dna.cpp:24:26: warning: array subscript has type 'char' [-Wchar-subscripts]
   24 |     cntAB[m[a[i]]][m[b[i]]][i + 1]++;
      |                          ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 7940 KB Output is correct
2 Correct 51 ms 7944 KB Output is correct
3 Correct 58 ms 7536 KB Output is correct
4 Correct 50 ms 8056 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 7 ms 6668 KB Output is correct
5 Correct 7 ms 6732 KB Output is correct
6 Correct 7 ms 6732 KB Output is correct
7 Correct 7 ms 6348 KB Output is correct
8 Correct 7 ms 6676 KB Output is correct
9 Correct 8 ms 6744 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 7 ms 6668 KB Output is correct
5 Correct 7 ms 6732 KB Output is correct
6 Correct 7 ms 6732 KB Output is correct
7 Correct 7 ms 6348 KB Output is correct
8 Correct 7 ms 6676 KB Output is correct
9 Correct 8 ms 6744 KB Output is correct
10 Correct 55 ms 7968 KB Output is correct
11 Correct 52 ms 7940 KB Output is correct
12 Correct 51 ms 7980 KB Output is correct
13 Correct 49 ms 8144 KB Output is correct
14 Correct 54 ms 8320 KB Output is correct
15 Correct 69 ms 8324 KB Output is correct
16 Correct 62 ms 7916 KB Output is correct
17 Correct 48 ms 8076 KB Output is correct
18 Correct 45 ms 8380 KB Output is correct
19 Correct 40 ms 7952 KB Output is correct
20 Correct 41 ms 8176 KB Output is correct
21 Correct 51 ms 8452 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 7 ms 6668 KB Output is correct
5 Correct 7 ms 6732 KB Output is correct
6 Correct 7 ms 6732 KB Output is correct
7 Correct 7 ms 6348 KB Output is correct
8 Correct 7 ms 6676 KB Output is correct
9 Correct 8 ms 6744 KB Output is correct
10 Correct 7 ms 6220 KB Output is correct
11 Correct 7 ms 6732 KB Output is correct
12 Correct 7 ms 6348 KB Output is correct
13 Correct 8 ms 6732 KB Output is correct
14 Correct 8 ms 6732 KB Output is correct
15 Correct 7 ms 6700 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 7940 KB Output is correct
2 Correct 51 ms 7944 KB Output is correct
3 Correct 58 ms 7536 KB Output is correct
4 Correct 50 ms 8056 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 7 ms 6668 KB Output is correct
12 Correct 7 ms 6732 KB Output is correct
13 Correct 7 ms 6732 KB Output is correct
14 Correct 7 ms 6348 KB Output is correct
15 Correct 7 ms 6676 KB Output is correct
16 Correct 8 ms 6744 KB Output is correct
17 Correct 55 ms 7968 KB Output is correct
18 Correct 52 ms 7940 KB Output is correct
19 Correct 51 ms 7980 KB Output is correct
20 Correct 49 ms 8144 KB Output is correct
21 Correct 54 ms 8320 KB Output is correct
22 Correct 69 ms 8324 KB Output is correct
23 Correct 62 ms 7916 KB Output is correct
24 Correct 48 ms 8076 KB Output is correct
25 Correct 45 ms 8380 KB Output is correct
26 Correct 40 ms 7952 KB Output is correct
27 Correct 41 ms 8176 KB Output is correct
28 Correct 51 ms 8452 KB Output is correct
29 Correct 7 ms 6220 KB Output is correct
30 Correct 7 ms 6732 KB Output is correct
31 Correct 7 ms 6348 KB Output is correct
32 Correct 8 ms 6732 KB Output is correct
33 Correct 8 ms 6732 KB Output is correct
34 Correct 7 ms 6700 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 51 ms 7524 KB Output is correct
37 Correct 47 ms 8064 KB Output is correct
38 Correct 47 ms 8056 KB Output is correct
39 Correct 51 ms 8320 KB Output is correct
40 Correct 65 ms 8448 KB Output is correct
41 Correct 8 ms 6732 KB Output is correct
42 Correct 43 ms 8020 KB Output is correct
43 Correct 60 ms 8320 KB Output is correct
44 Correct 61 ms 8372 KB Output is correct
45 Correct 40 ms 8024 KB Output is correct
46 Correct 40 ms 8364 KB Output is correct
47 Correct 52 ms 8364 KB Output is correct