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Submission #585325

# Submission time Handle Problem Language Result Execution time Memory
585325 2022-06-28T16:05:28 Z cfalas Mutating DNA (IOI21_dna) C++17
100 / 100
 46 ms 10220 KB 
#include "dna.h"
#include<bits/stdc++.h>
using namespace std;

int m[3][3][200000];
int x[256];
int cc[200000];
int Aa[200000];
int Ta[200000];
int Ca[200000];
int Ab[200000];
int Tb[200000];
int Cb[200000];
void init(std::string a, std::string b) {
	x['A'] = 0;
	x['T'] = 1;
	x['C'] = 2;
	int n = a.size();
	for(int i=0;i<n;i++){
		Aa[i+1] = Aa[i] + (a[i]=='A');
		Ta[i+1] = Ta[i] + (a[i]=='T');
		Ca[i+1] = Ca[i] + (a[i]=='C');

		Ab[i+1] = Ab[i] + (b[i]=='A');
		Tb[i+1] = Tb[i] + (b[i]=='T');
		Cb[i+1] = Cb[i] + (b[i]=='C');

		for(int j=0;j<3;j++){
			for(int k=0;k<3;k++) m[j][k][i+1] = m[j][k][i];
		}
		m[x[a[i]]][x[b[i]]][i+1] = m[x[a[i]]][x[b[i]]][i] + 1;
		cc[i+1] = cc[i] + (a[i]==b[i]);
		//cout<<Aa[i+1]<<" "<<Ta[i+1]<<" "<<Ca[i+1]<<" "<<cc[i+1]<<endl;
	}
}

int get_distance(int x, int y) {
	x++, y++;
	if(Aa[y]-Aa[x-1] != Ab[y]-Ab[x-1]) return -1;
	if(Ta[y]-Ta[x-1] != Tb[y]-Tb[x-1]) return -1;
	if(Ca[y]-Ca[x-1] != Cb[y]-Cb[x-1]) return -1;

	int tot=0;
	int tot2=0;
	for(int i=0;i<3;i++){
		for(int j=i+1;j<3;j++){
			tot += abs((m[i][j][y]-m[i][j][x-1]) - (m[j][i][y]-m[j][i][x-1]));
			tot2 += min((m[i][j][y]-m[i][j][x-1]), (m[j][i][y]-m[j][i][x-1]));
		}
	}
	//cout<<tot2<<" "<<tot<<endl;
	return tot/3 * 2 + tot2;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:31:11: warning: array subscript has type 'char' [-Wchar-subscripts]
   31 |   m[x[a[i]]][x[b[i]]][i+1] = m[x[a[i]]][x[b[i]]][i] + 1;
      |           ^
dna.cpp:31:20: warning: array subscript has type 'char' [-Wchar-subscripts]
   31 |   m[x[a[i]]][x[b[i]]][i+1] = m[x[a[i]]][x[b[i]]][i] + 1;
      |                    ^
dna.cpp:31:38: warning: array subscript has type 'char' [-Wchar-subscripts]
   31 |   m[x[a[i]]][x[b[i]]][i+1] = m[x[a[i]]][x[b[i]]][i] + 1;
      |                                      ^
dna.cpp:31:47: warning: array subscript has type 'char' [-Wchar-subscripts]
   31 |   m[x[a[i]]][x[b[i]]][i+1] = m[x[a[i]]][x[b[i]]][i] + 1;
      |                                               ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 8400 KB Output is correct
2 Correct 34 ms 8456 KB Output is correct
3 Correct 33 ms 7928 KB Output is correct
4 Correct 36 ms 8456 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 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 0 ms 340 KB Output is correct
4 Correct 6 ms 7036 KB Output is correct
5 Correct 7 ms 7152 KB Output is correct
6 Correct 5 ms 7124 KB Output is correct
7 Correct 6 ms 6812 KB Output is correct
8 Correct 5 ms 7124 KB Output is correct
9 Correct 5 ms 7124 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 0 ms 340 KB Output is correct
4 Correct 6 ms 7036 KB Output is correct
5 Correct 7 ms 7152 KB Output is correct
6 Correct 5 ms 7124 KB Output is correct
7 Correct 6 ms 6812 KB Output is correct
8 Correct 5 ms 7124 KB Output is correct
9 Correct 5 ms 7124 KB Output is correct
10 Correct 40 ms 8468 KB Output is correct
11 Correct 36 ms 8492 KB Output is correct
12 Correct 35 ms 8316 KB Output is correct
13 Correct 36 ms 8468 KB Output is correct
14 Correct 35 ms 8856 KB Output is correct
15 Correct 46 ms 8720 KB Output is correct
16 Correct 32 ms 8420 KB Output is correct
17 Correct 33 ms 8588 KB Output is correct
18 Correct 32 ms 8800 KB Output is correct
19 Correct 30 ms 8428 KB Output is correct
20 Correct 30 ms 8588 KB Output is correct
21 Correct 31 ms 8840 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 0 ms 340 KB Output is correct
4 Correct 6 ms 7036 KB Output is correct
5 Correct 7 ms 7152 KB Output is correct
6 Correct 5 ms 7124 KB Output is correct
7 Correct 6 ms 6812 KB Output is correct
8 Correct 5 ms 7124 KB Output is correct
9 Correct 5 ms 7124 KB Output is correct
10 Correct 5 ms 6612 KB Output is correct
11 Correct 6 ms 7124 KB Output is correct
12 Correct 5 ms 6756 KB Output is correct
13 Correct 8 ms 7380 KB Output is correct
14 Correct 5 ms 7356 KB Output is correct
15 Correct 6 ms 7380 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 8400 KB Output is correct
2 Correct 34 ms 8456 KB Output is correct
3 Correct 33 ms 7928 KB Output is correct
4 Correct 36 ms 8456 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 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 0 ms 340 KB Output is correct
11 Correct 6 ms 7036 KB Output is correct
12 Correct 7 ms 7152 KB Output is correct
13 Correct 5 ms 7124 KB Output is correct
14 Correct 6 ms 6812 KB Output is correct
15 Correct 5 ms 7124 KB Output is correct
16 Correct 5 ms 7124 KB Output is correct
17 Correct 40 ms 8468 KB Output is correct
18 Correct 36 ms 8492 KB Output is correct
19 Correct 35 ms 8316 KB Output is correct
20 Correct 36 ms 8468 KB Output is correct
21 Correct 35 ms 8856 KB Output is correct
22 Correct 46 ms 8720 KB Output is correct
23 Correct 32 ms 8420 KB Output is correct
24 Correct 33 ms 8588 KB Output is correct
25 Correct 32 ms 8800 KB Output is correct
26 Correct 30 ms 8428 KB Output is correct
27 Correct 30 ms 8588 KB Output is correct
28 Correct 31 ms 8840 KB Output is correct
29 Correct 5 ms 6612 KB Output is correct
30 Correct 6 ms 7124 KB Output is correct
31 Correct 5 ms 6756 KB Output is correct
32 Correct 8 ms 7380 KB Output is correct
33 Correct 5 ms 7356 KB Output is correct
34 Correct 6 ms 7380 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 34 ms 9244 KB Output is correct
37 Correct 35 ms 9792 KB Output is correct
38 Correct 37 ms 9796 KB Output is correct
39 Correct 37 ms 10136 KB Output is correct
40 Correct 35 ms 10220 KB Output is correct
41 Correct 6 ms 7380 KB Output is correct
42 Correct 38 ms 9620 KB Output is correct
43 Correct 39 ms 10104 KB Output is correct
44 Correct 35 ms 10120 KB Output is correct
45 Correct 31 ms 9748 KB Output is correct
46 Correct 32 ms 10100 KB Output is correct
47 Correct 36 ms 10124 KB Output is correct