oj.uz

Submission #454588

# Submission time Handle Problem Language Result Execution time Memory
454588 2021-08-05T06:12:46 Z ogibogi2004 Mutating DNA (IOI21_dna) C++17
100 / 100
 83 ms 11052 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN=1e5+6;
int prcnt[MAXN][4][4];
int prcnt1[MAXN][4];
void init(string a, string b) {
	for(int i=1;i<=a.size();i++)
	{
		for(int j1=0;j1<4;j1++)
		{
			for(int j2=0;j2<4;j2++)
			{
				prcnt[i][j1][j2]=prcnt[i-1][j1][j2];
			}
			prcnt1[i][j1]=prcnt1[i-1][j1];
		}
		int c1=0,c2=0;
		if(a[i-1]=='A')c1=1;
		if(a[i-1]=='C')c1=2;
		if(a[i-1]=='T')c1=3;
		if(b[i-1]=='A')c2=1;
		if(b[i-1]=='C')c2=2;
		if(b[i-1]=='T')c2=3;
		prcnt[i][c1][c2]++;
		prcnt1[i][c1]++;
		prcnt1[i][c2]--;
	}
}

int get_distance(int x, int y) {
	x++;y++;
	int cnt[4][4];
	for(int j1=0;j1<4;j1++)
	{
		for(int j2=0;j2<4;j2++)
		{
			cnt[j1][j2]=prcnt[y][j1][j2]-prcnt[x-1][j1][j2];
		}
	}
	//cout<<"*\n";
	int cntswaps=0;
	for(int j=0;j<4;j++)
	{
		if(prcnt1[y][j]-prcnt1[x-1][j]!=0)return -1;
	}
	for(int j1=0;j1<4;j1++)
	{
		for(int j2=0;j2<4;j2++)
		{
			if(j1==j2)continue;
			cntswaps+=cnt[j1][j2];
		}
	}
	for(int j1=1;j1<4;j1++)
	{
		for(int j2=j1+1;j2<4;j2++)
		{
			int t=min(cnt[j1][j2],cnt[j2][j1]);
			cnt[j1][j2]-=t;cnt[j2][j1]-=t;
			cntswaps-=t;
		}
	}
	int cnt1=0;
	set<int>s;
	for(int j1=1;j1<4;j1++)
	{
		for(int j2=1;j2<4;j2++)
		{
			if(j1==j2)continue;
			if(cnt[j1][j2]>0)
			{
				s.insert(cnt[j1][j2]);
				cnt1++;
			}
		}
	}
	if(cnt1==0)return cntswaps;
	//cout<<s.size()<<endl;
	if(s.size()!=1)assert(false);
	return cntswaps-(*s.begin());
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:8:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |  for(int i=1;i<=a.size();i++)
      |              ~^~~~~~~~~~

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 9860 KB Output is correct
2 Correct 61 ms 10632 KB Output is correct
3 Correct 52 ms 9852 KB Output is correct
4 Correct 58 ms 10524 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 300 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 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 7 ms 8780 KB Output is correct
5 Correct 8 ms 8884 KB Output is correct
6 Correct 7 ms 8780 KB Output is correct
7 Correct 8 ms 8268 KB Output is correct
8 Correct 7 ms 8840 KB Output is correct
9 Correct 7 ms 8908 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 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 7 ms 8780 KB Output is correct
5 Correct 8 ms 8884 KB Output is correct
6 Correct 7 ms 8780 KB Output is correct
7 Correct 8 ms 8268 KB Output is correct
8 Correct 7 ms 8840 KB Output is correct
9 Correct 7 ms 8908 KB Output is correct
10 Correct 61 ms 10500 KB Output is correct
11 Correct 64 ms 10568 KB Output is correct
12 Correct 71 ms 10392 KB Output is correct
13 Correct 68 ms 10608 KB Output is correct
14 Correct 76 ms 10928 KB Output is correct
15 Correct 58 ms 10848 KB Output is correct
16 Correct 49 ms 10380 KB Output is correct
17 Correct 60 ms 10624 KB Output is correct
18 Correct 63 ms 11008 KB Output is correct
19 Correct 45 ms 10384 KB Output is correct
20 Correct 52 ms 10600 KB Output is correct
21 Correct 45 ms 10944 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 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 7 ms 8780 KB Output is correct
5 Correct 8 ms 8884 KB Output is correct
6 Correct 7 ms 8780 KB Output is correct
7 Correct 8 ms 8268 KB Output is correct
8 Correct 7 ms 8840 KB Output is correct
9 Correct 7 ms 8908 KB Output is correct
10 Correct 7 ms 8080 KB Output is correct
11 Correct 9 ms 8888 KB Output is correct
12 Correct 9 ms 8248 KB Output is correct
13 Correct 8 ms 8852 KB Output is correct
14 Correct 9 ms 8816 KB Output is correct
15 Correct 7 ms 8836 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 9860 KB Output is correct
2 Correct 61 ms 10632 KB Output is correct
3 Correct 52 ms 9852 KB Output is correct
4 Correct 58 ms 10524 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 7 ms 8780 KB Output is correct
12 Correct 8 ms 8884 KB Output is correct
13 Correct 7 ms 8780 KB Output is correct
14 Correct 8 ms 8268 KB Output is correct
15 Correct 7 ms 8840 KB Output is correct
16 Correct 7 ms 8908 KB Output is correct
17 Correct 61 ms 10500 KB Output is correct
18 Correct 64 ms 10568 KB Output is correct
19 Correct 71 ms 10392 KB Output is correct
20 Correct 68 ms 10608 KB Output is correct
21 Correct 76 ms 10928 KB Output is correct
22 Correct 58 ms 10848 KB Output is correct
23 Correct 49 ms 10380 KB Output is correct
24 Correct 60 ms 10624 KB Output is correct
25 Correct 63 ms 11008 KB Output is correct
26 Correct 45 ms 10384 KB Output is correct
27 Correct 52 ms 10600 KB Output is correct
28 Correct 45 ms 10944 KB Output is correct
29 Correct 7 ms 8080 KB Output is correct
30 Correct 9 ms 8888 KB Output is correct
31 Correct 9 ms 8248 KB Output is correct
32 Correct 8 ms 8852 KB Output is correct
33 Correct 9 ms 8816 KB Output is correct
34 Correct 7 ms 8836 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 50 ms 9920 KB Output is correct
37 Correct 63 ms 10616 KB Output is correct
38 Correct 66 ms 10468 KB Output is correct
39 Correct 83 ms 11004 KB Output is correct
40 Correct 66 ms 10996 KB Output is correct
41 Correct 7 ms 8888 KB Output is correct
42 Correct 72 ms 10472 KB Output is correct
43 Correct 54 ms 10944 KB Output is correct
44 Correct 55 ms 10960 KB Output is correct
45 Correct 49 ms 10520 KB Output is correct
46 Correct 51 ms 11052 KB Output is correct
47 Correct 56 ms 10980 KB Output is correct