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Submission #712500

# Submission time Handle Problem Language Result Execution time Memory
712500 2023-03-18T22:37:19 Z Kripton Mutating DNA (IOI21_dna) C++17
100 / 100
 51 ms 8648 KB 
#include <bits/stdc++.h>
#include "dna.h"
using namespace std;

int a1[100001], a2[100001];
int c1[100001], c2[100001];
int t1[100001], t2[100001];
int difat[100001], difta[100001];
int difac[100001], difca[100001];
int diftc[100001], difct[100001];

void init(string a, string b)
{
    for(int i = 1; i <= a.size(); i++)
    {
        c1[i] = c1[i - 1] + (a[i - 1] == 'C');
        a1[i] = a1[i - 1] + (a[i - 1] == 'A');
        t1[i] = t1[i - 1] + (a[i - 1] == 'T');
        c2[i] = c2[i - 1] + (b[i - 1] == 'C');
        a2[i] = a2[i - 1] + (b[i - 1] == 'A');
        t2[i] = t2[i - 1] + (b[i - 1] == 'T');
        difat[i] = difat[i - 1] + (a[i - 1] == 'A' && b[i - 1] == 'T');
        difta[i] = difta[i - 1] + (a[i - 1] == 'T' && b[i - 1] == 'A');
        difac[i] = difac[i - 1] + (a[i - 1] == 'A' && b[i - 1] == 'C');
        difca[i] = difca[i - 1] + (a[i - 1] == 'C' && b[i - 1] == 'A');
        difct[i] = difct[i - 1] + (a[i - 1] == 'C' && b[i - 1] == 'T');
        diftc[i] = diftc[i - 1] + (a[i - 1] == 'T' && b[i - 1] == 'C');
    }
}

int get_distance(int x, int y)
{
    x++;
    y++;
    if(c1[y] - c1[x - 1] != c2[y] - c2[x - 1])
        return -1;
    if(a1[y] - a1[x - 1] != a2[y] - a2[x - 1])
        return -1;
    if(t1[y] - t1[x - 1] != t2[y] - t2[x - 1])
        return -1;
    int rez = 0, mini;
    int at = difat[y] - difat[x - 1], ta = difta[y] - difta[x - 1];
    mini = min(at, ta);
    rez += mini;
    at -= mini;
    ta -= mini;
    int ac = difac[y] - difac[x - 1], ca = difca[y] - difca[x - 1];
    mini = min(ac, ca);
    rez += mini;
    ac -= mini;
    ca -= mini;
    int tc = diftc[y] - diftc[x - 1], ct = difct[y] - difct[x - 1];
    mini = min(tc, ct);
    rez += mini;
    tc -= mini;
    ct -= mini;
    return rez + (at + ta + ac + ca + tc + ct) / 3 * 2;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:14:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(int i = 1; i <= a.size(); i++)
      |                    ~~^~~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 6792 KB Output is correct
2 Correct 33 ms 6796 KB Output is correct
3 Correct 33 ms 6428 KB Output is correct
4 Correct 38 ms 6792 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 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 1 ms 340 KB Output is correct
4 Correct 5 ms 5460 KB Output is correct
5 Correct 5 ms 5460 KB Output is correct
6 Correct 5 ms 5460 KB Output is correct
7 Correct 5 ms 5204 KB Output is correct
8 Correct 5 ms 5460 KB Output is correct
9 Correct 5 ms 5460 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 1 ms 340 KB Output is correct
4 Correct 5 ms 5460 KB Output is correct
5 Correct 5 ms 5460 KB Output is correct
6 Correct 5 ms 5460 KB Output is correct
7 Correct 5 ms 5204 KB Output is correct
8 Correct 5 ms 5460 KB Output is correct
9 Correct 5 ms 5460 KB Output is correct
10 Correct 36 ms 6796 KB Output is correct
11 Correct 50 ms 6776 KB Output is correct
12 Correct 31 ms 6800 KB Output is correct
13 Correct 31 ms 6940 KB Output is correct
14 Correct 33 ms 7172 KB Output is correct
15 Correct 34 ms 7168 KB Output is correct
16 Correct 37 ms 6900 KB Output is correct
17 Correct 33 ms 7008 KB Output is correct
18 Correct 30 ms 7176 KB Output is correct
19 Correct 28 ms 6920 KB Output is correct
20 Correct 30 ms 7096 KB Output is correct
21 Correct 32 ms 7188 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 1 ms 340 KB Output is correct
4 Correct 5 ms 5460 KB Output is correct
5 Correct 5 ms 5460 KB Output is correct
6 Correct 5 ms 5460 KB Output is correct
7 Correct 5 ms 5204 KB Output is correct
8 Correct 5 ms 5460 KB Output is correct
9 Correct 5 ms 5460 KB Output is correct
10 Correct 5 ms 5076 KB Output is correct
11 Correct 5 ms 5520 KB Output is correct
12 Correct 4 ms 5204 KB Output is correct
13 Correct 5 ms 5716 KB Output is correct
14 Correct 5 ms 5716 KB Output is correct
15 Correct 5 ms 5716 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 6792 KB Output is correct
2 Correct 33 ms 6796 KB Output is correct
3 Correct 33 ms 6428 KB Output is correct
4 Correct 38 ms 6792 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 5 ms 5460 KB Output is correct
12 Correct 5 ms 5460 KB Output is correct
13 Correct 5 ms 5460 KB Output is correct
14 Correct 5 ms 5204 KB Output is correct
15 Correct 5 ms 5460 KB Output is correct
16 Correct 5 ms 5460 KB Output is correct
17 Correct 36 ms 6796 KB Output is correct
18 Correct 50 ms 6776 KB Output is correct
19 Correct 31 ms 6800 KB Output is correct
20 Correct 31 ms 6940 KB Output is correct
21 Correct 33 ms 7172 KB Output is correct
22 Correct 34 ms 7168 KB Output is correct
23 Correct 37 ms 6900 KB Output is correct
24 Correct 33 ms 7008 KB Output is correct
25 Correct 30 ms 7176 KB Output is correct
26 Correct 28 ms 6920 KB Output is correct
27 Correct 30 ms 7096 KB Output is correct
28 Correct 32 ms 7188 KB Output is correct
29 Correct 5 ms 5076 KB Output is correct
30 Correct 5 ms 5520 KB Output is correct
31 Correct 4 ms 5204 KB Output is correct
32 Correct 5 ms 5716 KB Output is correct
33 Correct 5 ms 5716 KB Output is correct
34 Correct 5 ms 5716 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 36 ms 7780 KB Output is correct
37 Correct 37 ms 8180 KB Output is correct
38 Correct 36 ms 8212 KB Output is correct
39 Correct 40 ms 8576 KB Output is correct
40 Correct 36 ms 8564 KB Output is correct
41 Correct 5 ms 5716 KB Output is correct
42 Correct 32 ms 8184 KB Output is correct
43 Correct 31 ms 8444 KB Output is correct
44 Correct 39 ms 8648 KB Output is correct
45 Correct 30 ms 8172 KB Output is correct
46 Correct 41 ms 8452 KB Output is correct
47 Correct 30 ms 8476 KB Output is correct