Submission #438203

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
438203	2021-06-27T18:48:42 Z	SHZhang	Mutating DNA (IOI21_dna)	C++17	100 / 100	50 ms	6596 KB

#include "dna.h"
#include <algorithm>

using namespace std;

int n;

char a[100005], b[100005];
int acnt[100005], tcnt[100005], ccnt[100005];
int at[100005], ta[100005], ac[100005],
    ca[100005], ct[100005], tc[100005];

void init(std::string x, std::string y) {
    n = (int)x.size();
    for (int i = 0; i < n; i++) a[i+1] = x[i];
    for (int i = 0; i < n; i++) b[i+1] = y[i];
    for (int i = 1; i <= n; i++) {
        acnt[i] = acnt[i-1] + (a[i] == 'A' ? 1 : 0) - (b[i] == 'A' ? 1 : 0);
        tcnt[i] = tcnt[i-1] + (a[i] == 'T' ? 1 : 0) - (b[i] == 'T' ? 1 : 0);
        ccnt[i] = ccnt[i-1] + (a[i] == 'C' ? 1 : 0) - (b[i] == 'C' ? 1 : 0);
        at[i] = at[i-1] + (a[i] == 'A' && b[i] == 'T' ? 1 : 0);
        ta[i] = ta[i-1] + (a[i] == 'T' && b[i] == 'A' ? 1 : 0);
        ac[i] = ac[i-1] + (a[i] == 'A' && b[i] == 'C' ? 1 : 0);
        ca[i] = ca[i-1] + (a[i] == 'C' && b[i] == 'A' ? 1 : 0);
        ct[i] = ct[i-1] + (a[i] == 'C' && b[i] == 'T' ? 1 : 0);
        tc[i] = tc[i-1] + (a[i] == 'T' && b[i] == 'C' ? 1 : 0);
    }
}

int get_distance(int x, int y) {
	x++; y++;
    int adiff = acnt[y] - acnt[x-1];
    int tdiff = tcnt[y] - tcnt[x-1];
    int cdiff = ccnt[y] - ccnt[x-1];
    if (adiff != 0 || tdiff != 0 || cdiff != 0) return -1;
    int n_at = at[y] - at[x-1];
    int n_ta = ta[y] - ta[x-1];
    int n_ac = ac[y] - ac[x-1];
    int n_ca = ca[y] - ca[x-1];
    int n_ct = ct[y] - ct[x-1];
    int n_tc = tc[y] - tc[x-1];
    int min1 = min(n_at, n_ta);
    int min2 = min(n_ac, n_ca);
    int min3 = min(n_ct, n_tc);
    n_at -= min1; n_ta -= min1;
    n_ac -= min2; n_ca -= min2;
    n_ct -= min3; n_tc -= min3;
    return min1 + min2 + min3 + 2 * max(n_at, n_ta);
}

Subtask #1
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	38 ms	6156 KB	Output is correct
2	Correct	39 ms	6092 KB	Output is correct
3	Correct	43 ms	5784 KB	Output is correct
4	Correct	39 ms	6196 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 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	1 ms	204 KB	Output is correct
3	Correct	0 ms	248 KB	Output is correct
4	Correct	6 ms	4556 KB	Output is correct
5	Correct	5 ms	4556 KB	Output is correct
6	Correct	5 ms	4556 KB	Output is correct
7	Correct	5 ms	4316 KB	Output is correct
8	Correct	5 ms	4556 KB	Output is correct
9	Correct	4 ms	4596 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	1 ms	204 KB	Output is correct
3	Correct	0 ms	248 KB	Output is correct
4	Correct	6 ms	4556 KB	Output is correct
5	Correct	5 ms	4556 KB	Output is correct
6	Correct	5 ms	4556 KB	Output is correct
7	Correct	5 ms	4316 KB	Output is correct
8	Correct	5 ms	4556 KB	Output is correct
9	Correct	4 ms	4596 KB	Output is correct
10	Correct	39 ms	6188 KB	Output is correct
11	Correct	41 ms	6144 KB	Output is correct
12	Correct	40 ms	6252 KB	Output is correct
13	Correct	39 ms	6400 KB	Output is correct
14	Correct	40 ms	6452 KB	Output is correct
15	Correct	50 ms	6452 KB	Output is correct
16	Correct	36 ms	6316 KB	Output is correct
17	Correct	37 ms	6432 KB	Output is correct
18	Correct	36 ms	6484 KB	Output is correct
19	Correct	35 ms	6252 KB	Output is correct
20	Correct	35 ms	6412 KB	Output is correct
21	Correct	36 ms	6512 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	1 ms	204 KB	Output is correct
3	Correct	0 ms	248 KB	Output is correct
4	Correct	6 ms	4556 KB	Output is correct
5	Correct	5 ms	4556 KB	Output is correct
6	Correct	5 ms	4556 KB	Output is correct
7	Correct	5 ms	4316 KB	Output is correct
8	Correct	5 ms	4556 KB	Output is correct
9	Correct	4 ms	4596 KB	Output is correct
10	Correct	5 ms	4184 KB	Output is correct
11	Correct	6 ms	4556 KB	Output is correct
12	Correct	6 ms	4300 KB	Output is correct
13	Correct	7 ms	4556 KB	Output is correct
14	Correct	6 ms	4556 KB	Output is correct
15	Correct	5 ms	4556 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	38 ms	6156 KB	Output is correct
2	Correct	39 ms	6092 KB	Output is correct
3	Correct	43 ms	5784 KB	Output is correct
4	Correct	39 ms	6196 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	248 KB	Output is correct
11	Correct	6 ms	4556 KB	Output is correct
12	Correct	5 ms	4556 KB	Output is correct
13	Correct	5 ms	4556 KB	Output is correct
14	Correct	5 ms	4316 KB	Output is correct
15	Correct	5 ms	4556 KB	Output is correct
16	Correct	4 ms	4596 KB	Output is correct
17	Correct	39 ms	6188 KB	Output is correct
18	Correct	41 ms	6144 KB	Output is correct
19	Correct	40 ms	6252 KB	Output is correct
20	Correct	39 ms	6400 KB	Output is correct
21	Correct	40 ms	6452 KB	Output is correct
22	Correct	50 ms	6452 KB	Output is correct
23	Correct	36 ms	6316 KB	Output is correct
24	Correct	37 ms	6432 KB	Output is correct
25	Correct	36 ms	6484 KB	Output is correct
26	Correct	35 ms	6252 KB	Output is correct
27	Correct	35 ms	6412 KB	Output is correct
28	Correct	36 ms	6512 KB	Output is correct
29	Correct	5 ms	4184 KB	Output is correct
30	Correct	6 ms	4556 KB	Output is correct
31	Correct	6 ms	4300 KB	Output is correct
32	Correct	7 ms	4556 KB	Output is correct
33	Correct	6 ms	4556 KB	Output is correct
34	Correct	5 ms	4556 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	42 ms	5792 KB	Output is correct
37	Correct	41 ms	6180 KB	Output is correct
38	Correct	38 ms	6324 KB	Output is correct
39	Correct	39 ms	6508 KB	Output is correct
40	Correct	39 ms	6464 KB	Output is correct
41	Correct	6 ms	4584 KB	Output is correct
42	Correct	37 ms	6288 KB	Output is correct
43	Correct	38 ms	6588 KB	Output is correct
44	Correct	37 ms	6596 KB	Output is correct
45	Correct	38 ms	6332 KB	Output is correct
46	Correct	35 ms	6560 KB	Output is correct
47	Correct	36 ms	6528 KB	Output is correct

Submission #438203

Compilation message

Subtask #1 21.0 / 21.0

Subtask #2 22.0 / 22.0

Subtask #3 13.0 / 13.0

Subtask #4 28.0 / 28.0

Subtask #5 16.0 / 16.0

Subtask #1
21.0 / 21.0

Subtask #2
22.0 / 22.0

Subtask #3
13.0 / 13.0

Subtask #4
28.0 / 28.0

Subtask #5
16.0 / 16.0