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Submission #437090

# Submission time Handle Problem Language Result Execution time Memory
437090 2021-06-25T18:55:39 Z T0p_ Mutating DNA (IOI21_dna) C++17
100 / 100
 62 ms 7492 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
 
#define N 100005

int n;
int cnt_char[2][3][N], cnt_dif[6][N];
map<char, int> mp_char;
map<string, int> mp_str;
string a, b;

string get_string(int i)
{
	string ret = "";
	ret += a[i];
	ret += b[i];
	return ret;
}

void init(string _a, string _b)
{
	a = _a, b = _b;
	n = a.length();
	mp_char['A'] = 0;
	mp_char['T'] = 1;
	mp_char['C'] = 2;
	mp_str["AT"] = 0;
	mp_str["AC"] = 1;
	mp_str["TA"] = 2;
	mp_str["TC"] = 3;
	mp_str["CA"] = 4;
	mp_str["CT"] = 5;
	cnt_char[0][mp_char[a[0]]][1]++;
	cnt_char[1][mp_char[b[0]]][1]++;
	if(a[0] != b[0]) cnt_dif[mp_str[get_string(0)]][1]++;
	for(int i=2 ; i<=n ; i++)
	{
		cnt_char[0][mp_char[a[i-1]]][i]++;
		cnt_char[1][mp_char[b[i-1]]][i]++;
		for(int j=0 ; j<3 ; j++)
		{
			cnt_char[0][j][i] += cnt_char[0][j][i-1];
			cnt_char[1][j][i] += cnt_char[1][j][i-1];
		}
		if(a[i-1] != b[i-1]) cnt_dif[mp_str[get_string(i-1)]][i]++;
		for(int j=0 ; j<6 ; j++) cnt_dif[j][i] += cnt_dif[j][i-1];
	}
}
 
int get_distance(int x, int y)
{
	x++, y++;
	for(int j=0 ; j<3 ; j++) if(cnt_char[0][j][y]-cnt_char[0][j][x-1] != cnt_char[1][j][y]-cnt_char[1][j][x-1]) return -1;
	int ret = 0, mn;
	int at = cnt_dif[0][y] - cnt_dif[0][x-1];
	int ac = cnt_dif[1][y] - cnt_dif[1][x-1];
	int ta = cnt_dif[2][y] - cnt_dif[2][x-1];
	int tc = cnt_dif[3][y] - cnt_dif[3][x-1];
	int ca = cnt_dif[4][y] - cnt_dif[4][x-1];
	int ct = cnt_dif[5][y] - cnt_dif[5][x-1];

	mn = min(at, ta);
	ret += mn;
	at -= mn;
	ta -= mn;

	mn = min(ac, ca);
	ret += mn;
	ac -= mn;
	ca -= mn;

	mn = min(tc, ct);
	ret += mn;
	tc -= mn;
	ct -= mn;

	ret += at+at+ac+ac;
	return ret;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 7088 KB Output is correct
2 Correct 52 ms 7108 KB Output is correct
3 Correct 44 ms 6584 KB Output is correct
4 Correct 47 ms 7036 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 9 ms 5708 KB Output is correct
5 Correct 9 ms 5776 KB Output is correct
6 Correct 9 ms 5728 KB Output is correct
7 Correct 9 ms 5324 KB Output is correct
8 Correct 9 ms 5708 KB Output is correct
9 Correct 7 ms 5708 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 9 ms 5708 KB Output is correct
5 Correct 9 ms 5776 KB Output is correct
6 Correct 9 ms 5728 KB Output is correct
7 Correct 9 ms 5324 KB Output is correct
8 Correct 9 ms 5708 KB Output is correct
9 Correct 7 ms 5708 KB Output is correct
10 Correct 45 ms 7108 KB Output is correct
11 Correct 62 ms 7108 KB Output is correct
12 Correct 46 ms 7072 KB Output is correct
13 Correct 46 ms 7220 KB Output is correct
14 Correct 48 ms 7364 KB Output is correct
15 Correct 44 ms 7364 KB Output is correct
16 Correct 43 ms 7112 KB Output is correct
17 Correct 45 ms 7384 KB Output is correct
18 Correct 44 ms 7492 KB Output is correct
19 Correct 41 ms 7108 KB Output is correct
20 Correct 53 ms 7268 KB Output is correct
21 Correct 46 ms 7488 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 9 ms 5708 KB Output is correct
5 Correct 9 ms 5776 KB Output is correct
6 Correct 9 ms 5728 KB Output is correct
7 Correct 9 ms 5324 KB Output is correct
8 Correct 9 ms 5708 KB Output is correct
9 Correct 7 ms 5708 KB Output is correct
10 Correct 9 ms 5324 KB Output is correct
11 Correct 10 ms 5696 KB Output is correct
12 Correct 10 ms 5452 KB Output is correct
13 Correct 10 ms 5708 KB Output is correct
14 Correct 11 ms 5720 KB Output is correct
15 Correct 8 ms 5708 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 7088 KB Output is correct
2 Correct 52 ms 7108 KB Output is correct
3 Correct 44 ms 6584 KB Output is correct
4 Correct 47 ms 7036 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 9 ms 5708 KB Output is correct
12 Correct 9 ms 5776 KB Output is correct
13 Correct 9 ms 5728 KB Output is correct
14 Correct 9 ms 5324 KB Output is correct
15 Correct 9 ms 5708 KB Output is correct
16 Correct 7 ms 5708 KB Output is correct
17 Correct 45 ms 7108 KB Output is correct
18 Correct 62 ms 7108 KB Output is correct
19 Correct 46 ms 7072 KB Output is correct
20 Correct 46 ms 7220 KB Output is correct
21 Correct 48 ms 7364 KB Output is correct
22 Correct 44 ms 7364 KB Output is correct
23 Correct 43 ms 7112 KB Output is correct
24 Correct 45 ms 7384 KB Output is correct
25 Correct 44 ms 7492 KB Output is correct
26 Correct 41 ms 7108 KB Output is correct
27 Correct 53 ms 7268 KB Output is correct
28 Correct 46 ms 7488 KB Output is correct
29 Correct 9 ms 5324 KB Output is correct
30 Correct 10 ms 5696 KB Output is correct
31 Correct 10 ms 5452 KB Output is correct
32 Correct 10 ms 5708 KB Output is correct
33 Correct 11 ms 5720 KB Output is correct
34 Correct 8 ms 5708 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 48 ms 6680 KB Output is correct
37 Correct 45 ms 7088 KB Output is correct
38 Correct 48 ms 7236 KB Output is correct
39 Correct 52 ms 7408 KB Output is correct
40 Correct 50 ms 7416 KB Output is correct
41 Correct 7 ms 5708 KB Output is correct
42 Correct 44 ms 7128 KB Output is correct
43 Correct 47 ms 7468 KB Output is correct
44 Correct 45 ms 7464 KB Output is correct
45 Correct 54 ms 7212 KB Output is correct
46 Correct 43 ms 7432 KB Output is correct
47 Correct 45 ms 7472 KB Output is correct