oj.uz

Submission #444387

# Submission time Handle Problem Language Result Execution time Memory
444387 2021-07-14T00:03:00 Z JvThunder Mutating DNA (IOI21_dna) C++17
100 / 100
 48 ms 4868 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;

int prefac[100005] = {0};
int prefat[100005] = {0};
int prefca[100005] = {0};
int prefct[100005] = {0};
int prefta[100005] = {0};
int preftc[100005] = {0};

void init(string a, string b) 
{
	for(int i=1;i<=a.size();i++)
	{
		prefac[i] = prefac[i-1] + ('A'==a[i-1] && 'C'==b[i-1]);
		prefat[i] = prefat[i-1] + ('A'==a[i-1] && 'T'==b[i-1]);
		prefca[i] = prefca[i-1] + ('C'==a[i-1] && 'A'==b[i-1]);
		prefct[i] = prefct[i-1] + ('C'==a[i-1] && 'T'==b[i-1]);
		prefta[i] = prefta[i-1] + ('T'==a[i-1] && 'A'==b[i-1]);
		preftc[i] = preftc[i-1] + ('T'==a[i-1] && 'C'==b[i-1]);
	}
}

int get_distance(int x, int y) 
{
	int ans = 0;
	int ac = prefac[y+1]-prefac[x];
	int at = prefat[y+1]-prefat[x];
	int ca = prefca[y+1]-prefca[x];
	int ct = prefct[y+1]-prefct[x];
	int ta = prefta[y+1]-prefta[x];
	int tc = preftc[y+1]-preftc[x];

	int tmp = min(ac,ca);
	ans += tmp;
	ac -= tmp;
	ca -= tmp;
	tmp = min(at,ta);
	ans += tmp;
	at -= tmp;
	ta -= tmp;
	tmp = min(ct,tc);
	ans += tmp;
	ct -= tmp;
	tc -= tmp;

	if(tc+ct+ac+ca+at+ta==0) return ans; 
	else if(tc!=0 && ca!=0 && at!=0)
	{
		if(tc!=ca || ca!=at) return -1;
		else return ans+2*tc;
	}
	if(ct!=0 && ta!=0 && ac!=0)
	{
		if(ct!=ta || ta!=ac) return -1;
		else return ans+2*ct;
	}
	return -1;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:14:15: 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 37 ms 4484 KB Output is correct
2 Correct 37 ms 4452 KB Output is correct
3 Correct 36 ms 4288 KB Output is correct
4 Correct 39 ms 4480 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct

Subtask #2
22.0 / 22.0

# 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 0 ms 204 KB Output is correct
4 Correct 4 ms 3148 KB Output is correct
5 Correct 4 ms 3148 KB Output is correct
6 Correct 4 ms 3148 KB Output is correct
7 Correct 4 ms 3020 KB Output is correct
8 Correct 4 ms 3148 KB Output is correct
9 Correct 3 ms 3148 KB Output is correct

Subtask #3
13.0 / 13.0

# 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 0 ms 204 KB Output is correct
4 Correct 4 ms 3148 KB Output is correct
5 Correct 4 ms 3148 KB Output is correct
6 Correct 4 ms 3148 KB Output is correct
7 Correct 4 ms 3020 KB Output is correct
8 Correct 4 ms 3148 KB Output is correct
9 Correct 3 ms 3148 KB Output is correct
10 Correct 36 ms 4480 KB Output is correct
11 Correct 36 ms 4476 KB Output is correct
12 Correct 48 ms 4588 KB Output is correct
13 Correct 38 ms 4772 KB Output is correct
14 Correct 40 ms 4848 KB Output is correct
15 Correct 36 ms 4744 KB Output is correct
16 Correct 36 ms 4624 KB Output is correct
17 Correct 47 ms 4728 KB Output is correct
18 Correct 35 ms 4860 KB Output is correct
19 Correct 35 ms 4716 KB Output is correct
20 Correct 34 ms 4820 KB Output is correct
21 Correct 38 ms 4868 KB Output is correct

Subtask #4
28.0 / 28.0

# 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 0 ms 204 KB Output is correct
4 Correct 4 ms 3148 KB Output is correct
5 Correct 4 ms 3148 KB Output is correct
6 Correct 4 ms 3148 KB Output is correct
7 Correct 4 ms 3020 KB Output is correct
8 Correct 4 ms 3148 KB Output is correct
9 Correct 3 ms 3148 KB Output is correct
10 Correct 4 ms 2892 KB Output is correct
11 Correct 4 ms 3148 KB Output is correct
12 Correct 5 ms 3020 KB Output is correct
13 Correct 4 ms 3148 KB Output is correct
14 Correct 4 ms 3148 KB Output is correct
15 Correct 4 ms 3160 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 4484 KB Output is correct
2 Correct 37 ms 4452 KB Output is correct
3 Correct 36 ms 4288 KB Output is correct
4 Correct 39 ms 4480 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 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 0 ms 204 KB Output is correct
11 Correct 4 ms 3148 KB Output is correct
12 Correct 4 ms 3148 KB Output is correct
13 Correct 4 ms 3148 KB Output is correct
14 Correct 4 ms 3020 KB Output is correct
15 Correct 4 ms 3148 KB Output is correct
16 Correct 3 ms 3148 KB Output is correct
17 Correct 36 ms 4480 KB Output is correct
18 Correct 36 ms 4476 KB Output is correct
19 Correct 48 ms 4588 KB Output is correct
20 Correct 38 ms 4772 KB Output is correct
21 Correct 40 ms 4848 KB Output is correct
22 Correct 36 ms 4744 KB Output is correct
23 Correct 36 ms 4624 KB Output is correct
24 Correct 47 ms 4728 KB Output is correct
25 Correct 35 ms 4860 KB Output is correct
26 Correct 35 ms 4716 KB Output is correct
27 Correct 34 ms 4820 KB Output is correct
28 Correct 38 ms 4868 KB Output is correct
29 Correct 4 ms 2892 KB Output is correct
30 Correct 4 ms 3148 KB Output is correct
31 Correct 5 ms 3020 KB Output is correct
32 Correct 4 ms 3148 KB Output is correct
33 Correct 4 ms 3148 KB Output is correct
34 Correct 4 ms 3160 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 36 ms 4200 KB Output is correct
37 Correct 39 ms 4480 KB Output is correct
38 Correct 37 ms 4620 KB Output is correct
39 Correct 38 ms 4768 KB Output is correct
40 Correct 38 ms 4856 KB Output is correct
41 Correct 4 ms 3148 KB Output is correct
42 Correct 40 ms 4728 KB Output is correct
43 Correct 38 ms 4864 KB Output is correct
44 Correct 36 ms 4840 KB Output is correct
45 Correct 36 ms 4748 KB Output is correct
46 Correct 35 ms 4868 KB Output is correct
47 Correct 35 ms 4864 KB Output is correct