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Submission #811163

# Submission time Handle Problem Language Result Execution time Memory
811163 2023-08-07T01:33:04 Z math_rabbit_1028 Mutating DNA (IOI21_dna) C++17
100 / 100
 30 ms 6280 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;

int cnt[101010][3], dif[101010][6];
void init(std::string a, std::string b) {
	for (int i = 0; i < a.length(); i++) {
		cnt[i + 1][0] = cnt[i][0];
		cnt[i + 1][1] = cnt[i][1];
		cnt[i + 1][2] = cnt[i][2];
		if (a[i] == 'A') cnt[i + 1][0]++;
		if (a[i] == 'C') cnt[i + 1][1]++;
		if (a[i] == 'T') cnt[i + 1][2]++;
		if (b[i] == 'A') cnt[i + 1][0]--;
		if (b[i] == 'C') cnt[i + 1][1]--;
		if (b[i] == 'T') cnt[i + 1][2]--;
		dif[i + 1][0] = dif[i][0];
		dif[i + 1][1] = dif[i][1];
		dif[i + 1][2] = dif[i][2];
		dif[i + 1][3] = dif[i][3];
		dif[i + 1][4] = dif[i][4];
		dif[i + 1][5] = dif[i][5];
		if (a[i] == 'A' && b[i] == 'C') dif[i + 1][0]++;
		if (a[i] == 'A' && b[i] == 'T') dif[i + 1][1]++;
		if (a[i] == 'C' && b[i] == 'A') dif[i + 1][2]++;
		if (a[i] == 'C' && b[i] == 'T') dif[i + 1][3]++;
		if (a[i] == 'T' && b[i] == 'A') dif[i + 1][4]++;
		if (a[i] == 'T' && b[i] == 'C') dif[i + 1][5]++;
	}
}

int get_distance(int x, int y) {
	if (cnt[x][0] != cnt[y + 1][0]) return -1;
	if (cnt[x][1] != cnt[y + 1][1]) return -1; 
	if (cnt[x][2] != cnt[y + 1][2]) return -1;
	int ans = 0;
	ans += min(dif[y + 1][0] - dif[x][0], dif[y + 1][2] - dif[x][2]);
	ans += min(dif[y + 1][1] - dif[x][1], dif[y + 1][4] - dif[x][4]);
	ans += min(dif[y + 1][3] - dif[x][3], dif[y + 1][5] - dif[x][5]);
	ans += 2 * abs(dif[y + 1][0] - dif[x][0] - dif[y + 1][2] + dif[x][2]);
	return ans;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:7:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |  for (int i = 0; i < a.length(); i++) {
      |                  ~~^~~~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 5652 KB Output is correct
2 Correct 26 ms 5648 KB Output is correct
3 Correct 25 ms 5348 KB Output is correct
4 Correct 29 ms 5824 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 5 ms 4436 KB Output is correct
5 Correct 4 ms 4308 KB Output is correct
6 Correct 3 ms 4308 KB Output is correct
7 Correct 3 ms 4052 KB Output is correct
8 Correct 3 ms 4308 KB Output is correct
9 Correct 3 ms 4308 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 5 ms 4436 KB Output is correct
5 Correct 4 ms 4308 KB Output is correct
6 Correct 3 ms 4308 KB Output is correct
7 Correct 3 ms 4052 KB Output is correct
8 Correct 3 ms 4308 KB Output is correct
9 Correct 3 ms 4308 KB Output is correct
10 Correct 26 ms 5652 KB Output is correct
11 Correct 26 ms 5640 KB Output is correct
12 Correct 26 ms 5664 KB Output is correct
13 Correct 28 ms 5904 KB Output is correct
14 Correct 26 ms 5972 KB Output is correct
15 Correct 29 ms 6028 KB Output is correct
16 Correct 25 ms 5792 KB Output is correct
17 Correct 26 ms 5892 KB Output is correct
18 Correct 26 ms 6024 KB Output is correct
19 Correct 25 ms 5784 KB Output is correct
20 Correct 25 ms 5872 KB Output is correct
21 Correct 26 ms 6096 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 5 ms 4436 KB Output is correct
5 Correct 4 ms 4308 KB Output is correct
6 Correct 3 ms 4308 KB Output is correct
7 Correct 3 ms 4052 KB Output is correct
8 Correct 3 ms 4308 KB Output is correct
9 Correct 3 ms 4308 KB Output is correct
10 Correct 4 ms 4004 KB Output is correct
11 Correct 5 ms 4436 KB Output is correct
12 Correct 4 ms 4180 KB Output is correct
13 Correct 5 ms 4436 KB Output is correct
14 Correct 4 ms 4544 KB Output is correct
15 Correct 4 ms 4468 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 5652 KB Output is correct
2 Correct 26 ms 5648 KB Output is correct
3 Correct 25 ms 5348 KB Output is correct
4 Correct 29 ms 5824 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 5 ms 4436 KB Output is correct
12 Correct 4 ms 4308 KB Output is correct
13 Correct 3 ms 4308 KB Output is correct
14 Correct 3 ms 4052 KB Output is correct
15 Correct 3 ms 4308 KB Output is correct
16 Correct 3 ms 4308 KB Output is correct
17 Correct 26 ms 5652 KB Output is correct
18 Correct 26 ms 5640 KB Output is correct
19 Correct 26 ms 5664 KB Output is correct
20 Correct 28 ms 5904 KB Output is correct
21 Correct 26 ms 5972 KB Output is correct
22 Correct 29 ms 6028 KB Output is correct
23 Correct 25 ms 5792 KB Output is correct
24 Correct 26 ms 5892 KB Output is correct
25 Correct 26 ms 6024 KB Output is correct
26 Correct 25 ms 5784 KB Output is correct
27 Correct 25 ms 5872 KB Output is correct
28 Correct 26 ms 6096 KB Output is correct
29 Correct 4 ms 4004 KB Output is correct
30 Correct 5 ms 4436 KB Output is correct
31 Correct 4 ms 4180 KB Output is correct
32 Correct 5 ms 4436 KB Output is correct
33 Correct 4 ms 4544 KB Output is correct
34 Correct 4 ms 4468 KB Output is correct
35 Correct 1 ms 308 KB Output is correct
36 Correct 29 ms 5616 KB Output is correct
37 Correct 27 ms 5928 KB Output is correct
38 Correct 28 ms 6036 KB Output is correct
39 Correct 28 ms 6280 KB Output is correct
40 Correct 28 ms 6256 KB Output is correct
41 Correct 3 ms 4564 KB Output is correct
42 Correct 30 ms 6092 KB Output is correct
43 Correct 28 ms 6156 KB Output is correct
44 Correct 27 ms 6112 KB Output is correct
45 Correct 26 ms 5908 KB Output is correct
46 Correct 26 ms 6152 KB Output is correct
47 Correct 26 ms 6152 KB Output is correct