# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
493163 |
2021-12-10T07:56:13 Z |
zhougz |
Mutating DNA (IOI21_dna) |
C++17 |
|
51 ms |
7360 KB |
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
int pre[100'050][3][3];
void init(std::string a, std::string b) {
assert(a.length() == b.length());
const int n = a.length();
auto id = [](char c) -> int {
return (c == 'A' ? 0 : (c == 'C' ? 1 : 2));
};
for (int i = 1; i <= n; i++) {
for (int j = 0; j < 3; j++) {
for (int k = 0; k < 3; k++) {
pre[i][j][k] += pre[i - 1][j][k];
}
}
pre[i][id(a[i - 1])][id(b[i - 1])]++;
}
}
int get_distance(int x, int y) {
int arr[3][3], diff[3];
fill(diff, diff + 3, 0);
for (int j = 0; j < 3; j++) {
for (int k = 0; k < 3; k++) {
arr[j][k] = pre[y + 1][j][k] - pre[x][j][k];
diff[j] += arr[j][k];
diff[k] -= arr[j][k];
}
}
for (int i = 0; i < 3; i++) {
if (diff[i] != 0) {
return -1;
}
}
int res = 0;
// Swap pairs first
for (int j = 0; j < 3; j++) {
for (int k = 0; k < j; k++) {
int pair_swaps = min(arr[j][k], arr[k][j]);
arr[j][k] -= pair_swaps;
arr[k][j] -= pair_swaps;
res += pair_swaps;
}
}
// I believe over here there are left with only triplets
// Furthermore the frequency that A, C, T appears should be equal
int triplet_swaps = max(arr[0][1], arr[1][0]);
assert(triplet_swaps == max(arr[0][2], arr[2][0]) && triplet_swaps == max(arr[1][2], arr[2][1]));
res += 2 * triplet_swaps;
return res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
38 ms |
6916 KB |
Output is correct |
2 |
Correct |
36 ms |
7040 KB |
Output is correct |
3 |
Correct |
35 ms |
6676 KB |
Output is correct |
4 |
Correct |
33 ms |
7032 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
5 ms |
4556 KB |
Output is correct |
5 |
Correct |
5 ms |
4556 KB |
Output is correct |
6 |
Correct |
4 ms |
4572 KB |
Output is correct |
7 |
Correct |
4 ms |
4284 KB |
Output is correct |
8 |
Correct |
5 ms |
4556 KB |
Output is correct |
9 |
Correct |
3 ms |
4540 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
5 ms |
4556 KB |
Output is correct |
5 |
Correct |
5 ms |
4556 KB |
Output is correct |
6 |
Correct |
4 ms |
4572 KB |
Output is correct |
7 |
Correct |
4 ms |
4284 KB |
Output is correct |
8 |
Correct |
5 ms |
4556 KB |
Output is correct |
9 |
Correct |
3 ms |
4540 KB |
Output is correct |
10 |
Correct |
34 ms |
6892 KB |
Output is correct |
11 |
Correct |
35 ms |
6968 KB |
Output is correct |
12 |
Correct |
41 ms |
7052 KB |
Output is correct |
13 |
Correct |
37 ms |
7192 KB |
Output is correct |
14 |
Correct |
35 ms |
7360 KB |
Output is correct |
15 |
Correct |
43 ms |
7296 KB |
Output is correct |
16 |
Correct |
34 ms |
6988 KB |
Output is correct |
17 |
Correct |
35 ms |
7032 KB |
Output is correct |
18 |
Correct |
40 ms |
7276 KB |
Output is correct |
19 |
Correct |
30 ms |
7016 KB |
Output is correct |
20 |
Correct |
33 ms |
7116 KB |
Output is correct |
21 |
Correct |
38 ms |
7264 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
5 ms |
4556 KB |
Output is correct |
5 |
Correct |
5 ms |
4556 KB |
Output is correct |
6 |
Correct |
4 ms |
4572 KB |
Output is correct |
7 |
Correct |
4 ms |
4284 KB |
Output is correct |
8 |
Correct |
5 ms |
4556 KB |
Output is correct |
9 |
Correct |
3 ms |
4540 KB |
Output is correct |
10 |
Correct |
4 ms |
4172 KB |
Output is correct |
11 |
Correct |
5 ms |
4556 KB |
Output is correct |
12 |
Correct |
4 ms |
4252 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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
38 ms |
6916 KB |
Output is correct |
2 |
Correct |
36 ms |
7040 KB |
Output is correct |
3 |
Correct |
35 ms |
6676 KB |
Output is correct |
4 |
Correct |
33 ms |
7032 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
5 ms |
4556 KB |
Output is correct |
12 |
Correct |
5 ms |
4556 KB |
Output is correct |
13 |
Correct |
4 ms |
4572 KB |
Output is correct |
14 |
Correct |
4 ms |
4284 KB |
Output is correct |
15 |
Correct |
5 ms |
4556 KB |
Output is correct |
16 |
Correct |
3 ms |
4540 KB |
Output is correct |
17 |
Correct |
34 ms |
6892 KB |
Output is correct |
18 |
Correct |
35 ms |
6968 KB |
Output is correct |
19 |
Correct |
41 ms |
7052 KB |
Output is correct |
20 |
Correct |
37 ms |
7192 KB |
Output is correct |
21 |
Correct |
35 ms |
7360 KB |
Output is correct |
22 |
Correct |
43 ms |
7296 KB |
Output is correct |
23 |
Correct |
34 ms |
6988 KB |
Output is correct |
24 |
Correct |
35 ms |
7032 KB |
Output is correct |
25 |
Correct |
40 ms |
7276 KB |
Output is correct |
26 |
Correct |
30 ms |
7016 KB |
Output is correct |
27 |
Correct |
33 ms |
7116 KB |
Output is correct |
28 |
Correct |
38 ms |
7264 KB |
Output is correct |
29 |
Correct |
4 ms |
4172 KB |
Output is correct |
30 |
Correct |
5 ms |
4556 KB |
Output is correct |
31 |
Correct |
4 ms |
4252 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 |
204 KB |
Output is correct |
36 |
Correct |
35 ms |
6656 KB |
Output is correct |
37 |
Correct |
45 ms |
7016 KB |
Output is correct |
38 |
Correct |
35 ms |
7128 KB |
Output is correct |
39 |
Correct |
39 ms |
7320 KB |
Output is correct |
40 |
Correct |
34 ms |
7328 KB |
Output is correct |
41 |
Correct |
5 ms |
4556 KB |
Output is correct |
42 |
Correct |
49 ms |
7032 KB |
Output is correct |
43 |
Correct |
48 ms |
7280 KB |
Output is correct |
44 |
Correct |
33 ms |
7256 KB |
Output is correct |
45 |
Correct |
32 ms |
7052 KB |
Output is correct |
46 |
Correct |
33 ms |
7316 KB |
Output is correct |
47 |
Correct |
51 ms |
7344 KB |
Output is correct |