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Submission #492851

# Submission time Handle Problem Language Result Execution time Memory
492851 2021-12-09T10:35:13 Z Sunset Mutating DNA (IOI21_dna) C++17
100 / 100
 35 ms 7472 KB 
#include "dna.h"
#include <bits/stdc++.h>
#define sz(x) ((int)(x).size())

using namespace std;

const int N = 100500;

int ga[3][3][N];

void init(std::string a, std::string b) {
  vector<int> c2i(128);
  c2i['A'] = 0;
  c2i['T'] = 1;
  c2i['C'] = 2;
  for (int i = 0; i < sz(a); ++i) {
    for (int x = 0; x < 3; ++x)
      for (int y = 0; y < 3; ++y)
        ga[x][y][i + 1] = ga[x][y][i];
    ga[c2i[a[i]]][c2i[b[i]]][i + 1]++;
  }
}

int get_distance(int l, int r) {
  int a[3][3];
  ++r;
  for (int i = 0; i < 3; ++i)
    for (int j = 0; j < 3; ++j)
      a[i][j] = ga[i][j][r] - ga[i][j][l];
  int ans = 0;
  for (int i = 0; i < 3; ++i)
    for (int j = 0; j < i; ++j) {
      int x = min(a[i][j], a[j][i]);
      ans += x;
      a[i][j] -= x;
      a[j][i] -= x;
    }
  if (a[0][1] != a[1][2] || a[1][2] != a[2][0]) return -1;
  if (a[1][0] != a[2][1] || a[2][1] != a[0][2]) return -1;
  ans += a[0][1] * 2;
  ans += a[1][0] * 2;
	return ans;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 6924 KB Output is correct
2 Correct 34 ms 6976 KB Output is correct
3 Correct 30 ms 6676 KB Output is correct
4 Correct 33 ms 6980 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 4 ms 4556 KB Output is correct
5 Correct 4 ms 4556 KB Output is correct
6 Correct 4 ms 4556 KB Output is correct
7 Correct 4 ms 4300 KB Output is correct
8 Correct 3 ms 4540 KB Output is correct
9 Correct 4 ms 4556 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 4 ms 4556 KB Output is correct
5 Correct 4 ms 4556 KB Output is correct
6 Correct 4 ms 4556 KB Output is correct
7 Correct 4 ms 4300 KB Output is correct
8 Correct 3 ms 4540 KB Output is correct
9 Correct 4 ms 4556 KB Output is correct
10 Correct 32 ms 7024 KB Output is correct
11 Correct 32 ms 7040 KB Output is correct
12 Correct 35 ms 7068 KB Output is correct
13 Correct 31 ms 7144 KB Output is correct
14 Correct 31 ms 7296 KB Output is correct
15 Correct 31 ms 7296 KB Output is correct
16 Correct 30 ms 7052 KB Output is correct
17 Correct 32 ms 7052 KB Output is correct
18 Correct 32 ms 7284 KB Output is correct
19 Correct 31 ms 7008 KB Output is correct
20 Correct 27 ms 7180 KB Output is correct
21 Correct 28 ms 7276 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 4 ms 4556 KB Output is correct
5 Correct 4 ms 4556 KB Output is correct
6 Correct 4 ms 4556 KB Output is correct
7 Correct 4 ms 4300 KB Output is correct
8 Correct 3 ms 4540 KB Output is correct
9 Correct 4 ms 4556 KB Output is correct
10 Correct 4 ms 4172 KB Output is correct
11 Correct 4 ms 4556 KB Output is correct
12 Correct 3 ms 4300 KB Output is correct
13 Correct 4 ms 4556 KB Output is correct
14 Correct 4 ms 4556 KB Output is correct
15 Correct 4 ms 4556 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 6924 KB Output is correct
2 Correct 34 ms 6976 KB Output is correct
3 Correct 30 ms 6676 KB Output is correct
4 Correct 33 ms 6980 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 0 ms 300 KB Output is correct
11 Correct 4 ms 4556 KB Output is correct
12 Correct 4 ms 4556 KB Output is correct
13 Correct 4 ms 4556 KB Output is correct
14 Correct 4 ms 4300 KB Output is correct
15 Correct 3 ms 4540 KB Output is correct
16 Correct 4 ms 4556 KB Output is correct
17 Correct 32 ms 7024 KB Output is correct
18 Correct 32 ms 7040 KB Output is correct
19 Correct 35 ms 7068 KB Output is correct
20 Correct 31 ms 7144 KB Output is correct
21 Correct 31 ms 7296 KB Output is correct
22 Correct 31 ms 7296 KB Output is correct
23 Correct 30 ms 7052 KB Output is correct
24 Correct 32 ms 7052 KB Output is correct
25 Correct 32 ms 7284 KB Output is correct
26 Correct 31 ms 7008 KB Output is correct
27 Correct 27 ms 7180 KB Output is correct
28 Correct 28 ms 7276 KB Output is correct
29 Correct 4 ms 4172 KB Output is correct
30 Correct 4 ms 4556 KB Output is correct
31 Correct 3 ms 4300 KB Output is correct
32 Correct 4 ms 4556 KB Output is correct
33 Correct 4 ms 4556 KB Output is correct
34 Correct 4 ms 4556 KB Output is correct
35 Correct 0 ms 332 KB Output is correct
36 Correct 35 ms 6668 KB Output is correct
37 Correct 33 ms 7040 KB Output is correct
38 Correct 31 ms 7096 KB Output is correct
39 Correct 34 ms 7472 KB Output is correct
40 Correct 31 ms 7424 KB Output is correct
41 Correct 4 ms 4556 KB Output is correct
42 Correct 30 ms 7012 KB Output is correct
43 Correct 28 ms 7292 KB Output is correct
44 Correct 30 ms 7248 KB Output is correct
45 Correct 28 ms 7012 KB Output is correct
46 Correct 29 ms 7336 KB Output is correct
47 Correct 28 ms 7248 KB Output is correct