oj.uz

Submission #437041

# Submission time Handle Problem Language Result Execution time Memory
437041 2021-06-25T16:37:16 Z Elegia Mutating DNA (IOI21_dna) C++17
100 / 100
 48 ms 6060 KB 
#include "dna.h"

#include <vector>

int n;
std::vector<int> cnt[3][3];

int mp[256];

void init(std::string a, std::string b) {
	mp['A'] = 0; mp['T'] = 1; mp['C'] = 2;
	n = a.length();
	for (int i = 0; i != 3; ++i) for (int j = 0; j != 3; ++j)
		cnt[i][j].resize(n + 1);
	for (int i = 0; i != n; ++i) {
		int u = mp[a[i]], v = mp[b[i]];
		for (int j = 0; j != 3; ++j)
			for (int k = 0; k != 3; ++k)
				cnt[j][k][i + 1] = cnt[j][k][i] + (j == u && k == v);
	}
}

int get_distance(int x, int y) {
	int ans = 0, cyc = -1;
	for (int i = 0; i != 3; ++i) {
		int j = (i + 1) % 3;
		int a = cnt[i][j][y + 1] - cnt[i][j][x],
		    b = cnt[j][i][y + 1] - cnt[j][i][x];
		if (i == 0) cyc = a - b;
		else if (cyc != a - b) return -1;
		ans += std::min(a, b);
	}
	return ans + abs(cyc) * 2;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:16:18: warning: array subscript has type 'char' [-Wchar-subscripts]
   16 |   int u = mp[a[i]], v = mp[b[i]];
      |                  ^
dna.cpp:16:32: warning: array subscript has type 'char' [-Wchar-subscripts]
   16 |   int u = mp[a[i]], v = mp[b[i]];
      |                                ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 5636 KB Output is correct
2 Correct 45 ms 5644 KB Output is correct
3 Correct 44 ms 5268 KB Output is correct
4 Correct 45 ms 5612 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 8 ms 4300 KB Output is correct
5 Correct 8 ms 4300 KB Output is correct
6 Correct 9 ms 4300 KB Output is correct
7 Correct 7 ms 4120 KB Output is correct
8 Correct 9 ms 4300 KB Output is correct
9 Correct 8 ms 4300 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 8 ms 4300 KB Output is correct
5 Correct 8 ms 4300 KB Output is correct
6 Correct 9 ms 4300 KB Output is correct
7 Correct 7 ms 4120 KB Output is correct
8 Correct 9 ms 4300 KB Output is correct
9 Correct 8 ms 4300 KB Output is correct
10 Correct 45 ms 5636 KB Output is correct
11 Correct 48 ms 5584 KB Output is correct
12 Correct 45 ms 5712 KB Output is correct
13 Correct 47 ms 5772 KB Output is correct
14 Correct 45 ms 6012 KB Output is correct
15 Correct 45 ms 5992 KB Output is correct
16 Correct 44 ms 5640 KB Output is correct
17 Correct 44 ms 5772 KB Output is correct
18 Correct 44 ms 6040 KB Output is correct
19 Correct 40 ms 5772 KB Output is correct
20 Correct 44 ms 5900 KB Output is correct
21 Correct 42 ms 6012 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 8 ms 4300 KB Output is correct
5 Correct 8 ms 4300 KB Output is correct
6 Correct 9 ms 4300 KB Output is correct
7 Correct 7 ms 4120 KB Output is correct
8 Correct 9 ms 4300 KB Output is correct
9 Correct 8 ms 4300 KB Output is correct
10 Correct 7 ms 4044 KB Output is correct
11 Correct 8 ms 4300 KB Output is correct
12 Correct 7 ms 4044 KB Output is correct
13 Correct 8 ms 4404 KB Output is correct
14 Correct 8 ms 4300 KB Output is correct
15 Correct 8 ms 4300 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 5636 KB Output is correct
2 Correct 45 ms 5644 KB Output is correct
3 Correct 44 ms 5268 KB Output is correct
4 Correct 45 ms 5612 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 224 KB Output is correct
11 Correct 8 ms 4300 KB Output is correct
12 Correct 8 ms 4300 KB Output is correct
13 Correct 9 ms 4300 KB Output is correct
14 Correct 7 ms 4120 KB Output is correct
15 Correct 9 ms 4300 KB Output is correct
16 Correct 8 ms 4300 KB Output is correct
17 Correct 45 ms 5636 KB Output is correct
18 Correct 48 ms 5584 KB Output is correct
19 Correct 45 ms 5712 KB Output is correct
20 Correct 47 ms 5772 KB Output is correct
21 Correct 45 ms 6012 KB Output is correct
22 Correct 45 ms 5992 KB Output is correct
23 Correct 44 ms 5640 KB Output is correct
24 Correct 44 ms 5772 KB Output is correct
25 Correct 44 ms 6040 KB Output is correct
26 Correct 40 ms 5772 KB Output is correct
27 Correct 44 ms 5900 KB Output is correct
28 Correct 42 ms 6012 KB Output is correct
29 Correct 7 ms 4044 KB Output is correct
30 Correct 8 ms 4300 KB Output is correct
31 Correct 7 ms 4044 KB Output is correct
32 Correct 8 ms 4404 KB Output is correct
33 Correct 8 ms 4300 KB Output is correct
34 Correct 8 ms 4300 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 46 ms 5300 KB Output is correct
37 Correct 44 ms 5632 KB Output is correct
38 Correct 46 ms 5844 KB Output is correct
39 Correct 46 ms 6060 KB Output is correct
40 Correct 47 ms 5976 KB Output is correct
41 Correct 8 ms 4412 KB Output is correct
42 Correct 45 ms 5788 KB Output is correct
43 Correct 44 ms 5996 KB Output is correct
44 Correct 44 ms 6024 KB Output is correct
45 Correct 41 ms 5860 KB Output is correct
46 Correct 42 ms 5992 KB Output is correct
47 Correct 42 ms 6016 KB Output is correct