oj.uz

Submission #548545

# Submission time Handle Problem Language Result Execution time Memory
548545 2022-04-13T18:31:31 Z Clan328 Mutating DNA (IOI21_dna) C++17
100 / 100
 290 ms 88636 KB 
#include "dna.h"
#include <bits/stdc++.h>

using namespace std;

string a, b;
vector<map<pair<char, char>, int>> link;
vector<map<char, int>> dp1, dp2;

void init(std::string A, std::string B) {
	a = A;
	b = B;
	dp1 = vector<map<char, int>>(a.size());
	dp2 = vector<map<char, int>>(a.size());
	link = vector<map<pair<char, char>, int>>(a.size());

	for (int i = 0; i < a.size(); i++) {
		if (i > 0) {
			dp1[i] = dp1[i-1];
			dp2[i] = dp2[i-1];

			link[i] = link[i-1];
		}
		
		dp1[i][a[i]]++;
		dp2[i][b[i]]++;

		link[i][{a[i], b[i]}]++;
	}
}

int get_distance(int x, int y) {
	if (x != 0) {
		if (!(
			dp1[y]['A']-dp1[x-1]['A'] == dp2[y]['A']-dp2[x-1]['A'] && 
			dp1[y]['C']-dp1[x-1]['C'] == dp2[y]['C']-dp2[x-1]['C'] &&
			dp1[y]['T']-dp1[x-1]['T'] == dp2[y]['T']-dp2[x-1]['T']
			))
				return -1;
	} else {
		if (!(
			dp1[y]['A'] == dp2[y]['A'] && 
			dp1[y]['C'] == dp2[y]['C'] &&
			dp1[y]['T'] == dp2[y]['T']
			)) return -1;
	}

	int AC = link[y][{'A', 'C'}] - (x > 0? link[x-1][{'A', 'C'}] : 0);
	int CA = link[y][{'C', 'A'}] - (x > 0? link[x-1][{'C', 'A'}] : 0);
	int CT = link[y][{'C', 'T'}] - (x > 0? link[x-1][{'C', 'T'}] : 0);
	int TC = link[y][{'T', 'C'}] - (x > 0? link[x-1][{'T', 'C'}] : 0);
	int AT = link[y][{'A', 'T'}] - (x > 0? link[x-1][{'A', 'T'}] : 0);
	int TA = link[y][{'T', 'A'}] - (x > 0? link[x-1][{'T', 'A'}] : 0);

	int res = 0;

	res += min(AC, CA)+min(CT, TC)+min(AT, TA);

	int tmp = min(AC, CA);
	AC -= tmp;
	CA -= tmp;
	tmp = min(AT, TA);
	AT -= tmp;
	TA -= tmp;
	tmp = min(CT, TC);
	CT -= tmp;
	TC -= tmp;

	if (AC+CA+AT+TA+CT+TC != 0) {
		res += 2*(AC+CA+AT+TA+CT+TC)/3;
	} else
		res += (AC+CA+AT+TA+CT+TC)/2;

	return res;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:17:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for (int i = 0; i < a.size(); i++) {
      |                  ~~^~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 237 ms 73828 KB Output is correct
2 Correct 260 ms 74780 KB Output is correct
3 Correct 226 ms 79500 KB Output is correct
4 Correct 233 ms 86872 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 1 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 73 ms 52112 KB Output is correct
5 Correct 77 ms 52684 KB Output is correct
6 Correct 91 ms 52288 KB Output is correct
7 Correct 74 ms 49140 KB Output is correct
8 Correct 85 ms 52764 KB Output is correct
9 Correct 75 ms 52812 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 73 ms 52112 KB Output is correct
5 Correct 77 ms 52684 KB Output is correct
6 Correct 91 ms 52288 KB Output is correct
7 Correct 74 ms 49140 KB Output is correct
8 Correct 85 ms 52764 KB Output is correct
9 Correct 75 ms 52812 KB Output is correct
10 Correct 262 ms 73908 KB Output is correct
11 Correct 245 ms 74748 KB Output is correct
12 Correct 290 ms 71860 KB Output is correct
13 Correct 290 ms 73524 KB Output is correct
14 Correct 276 ms 76552 KB Output is correct
15 Correct 288 ms 77184 KB Output is correct
16 Correct 246 ms 66024 KB Output is correct
17 Correct 247 ms 67636 KB Output is correct
18 Correct 246 ms 70472 KB Output is correct
19 Correct 107 ms 43632 KB Output is correct
20 Correct 116 ms 44736 KB Output is correct
21 Correct 146 ms 46796 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 73 ms 52112 KB Output is correct
5 Correct 77 ms 52684 KB Output is correct
6 Correct 91 ms 52288 KB Output is correct
7 Correct 74 ms 49140 KB Output is correct
8 Correct 85 ms 52764 KB Output is correct
9 Correct 75 ms 52812 KB Output is correct
10 Correct 157 ms 78044 KB Output is correct
11 Correct 163 ms 85708 KB Output is correct
12 Correct 176 ms 80076 KB Output is correct
13 Correct 160 ms 85256 KB Output is correct
14 Correct 178 ms 85748 KB Output is correct
15 Correct 166 ms 85708 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 237 ms 73828 KB Output is correct
2 Correct 260 ms 74780 KB Output is correct
3 Correct 226 ms 79500 KB Output is correct
4 Correct 233 ms 86872 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 1 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 73 ms 52112 KB Output is correct
12 Correct 77 ms 52684 KB Output is correct
13 Correct 91 ms 52288 KB Output is correct
14 Correct 74 ms 49140 KB Output is correct
15 Correct 85 ms 52764 KB Output is correct
16 Correct 75 ms 52812 KB Output is correct
17 Correct 262 ms 73908 KB Output is correct
18 Correct 245 ms 74748 KB Output is correct
19 Correct 290 ms 71860 KB Output is correct
20 Correct 290 ms 73524 KB Output is correct
21 Correct 276 ms 76552 KB Output is correct
22 Correct 288 ms 77184 KB Output is correct
23 Correct 246 ms 66024 KB Output is correct
24 Correct 247 ms 67636 KB Output is correct
25 Correct 246 ms 70472 KB Output is correct
26 Correct 107 ms 43632 KB Output is correct
27 Correct 116 ms 44736 KB Output is correct
28 Correct 146 ms 46796 KB Output is correct
29 Correct 157 ms 78044 KB Output is correct
30 Correct 163 ms 85708 KB Output is correct
31 Correct 176 ms 80076 KB Output is correct
32 Correct 160 ms 85256 KB Output is correct
33 Correct 178 ms 85748 KB Output is correct
34 Correct 166 ms 85708 KB Output is correct
35 Correct 1 ms 296 KB Output is correct
36 Correct 248 ms 80788 KB Output is correct
37 Correct 246 ms 88268 KB Output is correct
38 Correct 250 ms 83444 KB Output is correct
39 Correct 255 ms 88636 KB Output is correct
40 Correct 246 ms 88584 KB Output is correct
41 Correct 163 ms 85724 KB Output is correct
42 Correct 240 ms 83468 KB Output is correct
43 Correct 238 ms 88620 KB Output is correct
44 Correct 254 ms 88504 KB Output is correct
45 Correct 149 ms 57676 KB Output is correct
46 Correct 174 ms 61088 KB Output is correct
47 Correct 163 ms 61144 KB Output is correct