oj.uz

Submission #713855

# Submission time Handle Problem Language Result Execution time Memory
713855 2023-03-23T06:14:11 Z thinknoexit Mutating DNA (IOI21_dna) C++17
100 / 100
 57 ms 9712 KB 
#include "dna.h"
int dp1[3][100100], dp2[3][100100];
int dp[3][3][100100];
char h[26];
void init(std::string a, std::string b) {
	h[0] = 0;
	h['T' - 'A'] = 1;
	h['C' - 'A'] = 2;
	for (int i = 1;i <= (int)a.size();i++) {
		char c = a[i - 1];
		dp1[0][i] = dp1[0][i - 1] + (c == 'A');
		dp1[1][i] = dp1[1][i - 1] + (c == 'T');
		dp1[2][i] = dp1[2][i - 1] + (c == 'C');
	}
	for (int i = 1;i <= (int)b.size();i++) {
		char c = b[i - 1];
		dp2[0][i] = dp2[0][i - 1] + (c == 'A');
		dp2[1][i] = dp2[1][i - 1] + (c == 'T');
		dp2[2][i] = dp2[2][i - 1] + (c == 'C');
	}
	for (int i = 1;i <= (int)a.size();i++) {
		for (int j = 0;j < 3;j++) {
			for (int k = 0;k < 3;k++) {
				dp[j][k][i] = dp[j][k][i - 1] + (h[a[i - 1] - 'A'] == j && h[b[i - 1] - 'A'] == k);
			}
		}
	}
}

int get_distance(int x, int y) {
	int l = x, r = y;
	r++, l++;
	bool ch = 1;
	for (int k = 0;k < 3;k++) {
		ch &= (dp1[k][r] - dp1[k][l - 1] == dp2[k][r] - dp2[k][l - 1]);
	}
	if (!ch) {
		return -1;
	}
	int now[3][3] = {};
	for (int i = 0;i < 3;i++) {
		for (int j = 0;j < 3;j++) {
			now[i][j] = dp[i][j][r] - dp[i][j][l - 1];
		}
	}
	int cnt = 0;
	for (int i = 0;i < 3;i++) {
		for (int j = i + 1;j < 3;j++) {
			int mn;
			if (now[i][j] > now[j][i]) mn = now[j][i];
			else mn = now[i][j];
			cnt += mn;
			now[i][j] -= mn;
			now[j][i] -= mn;
		}
	}
	int cnt2 = 0;
	for (int i = 0;i < 3;i++) {
		for (int j = 0;j < 3;j++) {
			if (i == j) continue;
			cnt2 += now[i][j];
		}
	}
	return cnt + cnt2 * 2 / 3;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 8000 KB Output is correct
2 Correct 43 ms 9388 KB Output is correct
3 Correct 52 ms 8796 KB Output is correct
4 Correct 57 ms 9316 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 296 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 7 ms 6612 KB Output is correct
5 Correct 7 ms 6824 KB Output is correct
6 Correct 7 ms 6856 KB Output is correct
7 Correct 8 ms 6484 KB Output is correct
8 Correct 9 ms 6940 KB Output is correct
9 Correct 8 ms 6944 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 7 ms 6612 KB Output is correct
5 Correct 7 ms 6824 KB Output is correct
6 Correct 7 ms 6856 KB Output is correct
7 Correct 8 ms 6484 KB Output is correct
8 Correct 9 ms 6940 KB Output is correct
9 Correct 8 ms 6944 KB Output is correct
10 Correct 46 ms 9316 KB Output is correct
11 Correct 44 ms 9340 KB Output is correct
12 Correct 47 ms 9292 KB Output is correct
13 Correct 51 ms 9432 KB Output is correct
14 Correct 48 ms 9712 KB Output is correct
15 Correct 47 ms 9600 KB Output is correct
16 Correct 38 ms 9176 KB Output is correct
17 Correct 38 ms 9320 KB Output is correct
18 Correct 40 ms 9712 KB Output is correct
19 Correct 38 ms 9192 KB Output is correct
20 Correct 49 ms 9424 KB Output is correct
21 Correct 54 ms 9572 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 7 ms 6612 KB Output is correct
5 Correct 7 ms 6824 KB Output is correct
6 Correct 7 ms 6856 KB Output is correct
7 Correct 8 ms 6484 KB Output is correct
8 Correct 9 ms 6940 KB Output is correct
9 Correct 8 ms 6944 KB Output is correct
10 Correct 7 ms 6356 KB Output is correct
11 Correct 7 ms 6868 KB Output is correct
12 Correct 7 ms 6484 KB Output is correct
13 Correct 7 ms 6868 KB Output is correct
14 Correct 7 ms 6872 KB Output is correct
15 Correct 7 ms 6868 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 8000 KB Output is correct
2 Correct 43 ms 9388 KB Output is correct
3 Correct 52 ms 8796 KB Output is correct
4 Correct 57 ms 9316 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 7 ms 6612 KB Output is correct
12 Correct 7 ms 6824 KB Output is correct
13 Correct 7 ms 6856 KB Output is correct
14 Correct 8 ms 6484 KB Output is correct
15 Correct 9 ms 6940 KB Output is correct
16 Correct 8 ms 6944 KB Output is correct
17 Correct 46 ms 9316 KB Output is correct
18 Correct 44 ms 9340 KB Output is correct
19 Correct 47 ms 9292 KB Output is correct
20 Correct 51 ms 9432 KB Output is correct
21 Correct 48 ms 9712 KB Output is correct
22 Correct 47 ms 9600 KB Output is correct
23 Correct 38 ms 9176 KB Output is correct
24 Correct 38 ms 9320 KB Output is correct
25 Correct 40 ms 9712 KB Output is correct
26 Correct 38 ms 9192 KB Output is correct
27 Correct 49 ms 9424 KB Output is correct
28 Correct 54 ms 9572 KB Output is correct
29 Correct 7 ms 6356 KB Output is correct
30 Correct 7 ms 6868 KB Output is correct
31 Correct 7 ms 6484 KB Output is correct
32 Correct 7 ms 6868 KB Output is correct
33 Correct 7 ms 6872 KB Output is correct
34 Correct 7 ms 6868 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 47 ms 8752 KB Output is correct
37 Correct 45 ms 9320 KB Output is correct
38 Correct 44 ms 9364 KB Output is correct
39 Correct 45 ms 9708 KB Output is correct
40 Correct 48 ms 9640 KB Output is correct
41 Correct 6 ms 6876 KB Output is correct
42 Correct 40 ms 9312 KB Output is correct
43 Correct 38 ms 9608 KB Output is correct
44 Correct 40 ms 9580 KB Output is correct
45 Correct 35 ms 9264 KB Output is correct
46 Correct 43 ms 9700 KB Output is correct
47 Correct 39 ms 9708 KB Output is correct