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Submission #439190

# Submission time Handle Problem Language Result Execution time Memory
439190 2021-06-29T11:22:06 Z haojiandan Mutating DNA (IOI21_dna) C++17
100 / 100
 63 ms 6144 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn=(5e5)+10;
int s[maxn][6],n;
int cnt[maxn][3];
int id[300][300],dy[300];
void init(string a,string b) {
	n=a.size();
	dy['A']=0,dy['C']=1,dy['T']=2;
	id['C']['A']=0,id['A']['T']=2,id['A']['C']=4;
	id['T']['A']=1,id['C']['T']=3,id['T']['C']=5;
	for (int i=1;i<=n;i++) {
		for (int j=0;j<6;j++) s[i][j]=s[i-1][j];
		if (a[i-1]!=b[i-1]) {
			s[i][id[a[i-1]][b[i-1]]]++;
		}
		for (int j=0;j<3;j++) cnt[i][j]=cnt[i-1][j];
		cnt[i][dy[a[i-1]]]++;
		cnt[i][dy[b[i-1]]]--;
	}
}

int get_distance(int x, int y) {
	int d[10];
	for (int i=0;i<3;i++) if (cnt[y+1][i]!=cnt[x][i]) return -1;
	for (int i=0;i<6;i++) d[i]=s[y+1][i]-s[x][i];
	int ans=0,t=min(d[0],d[4]);
	d[0]-=t,d[4]-=t,ans+=t;
	t=min(d[2],d[1]),d[1]-=t,d[2]-=t,ans+=t;
	t=min(d[3],d[5]),d[3]-=t,d[5]-=t,ans+=t;
//	printf("%d %d %d\n",d[0]+d[4],d[1]+d[2],d[3]+d[5]);
	return ans+(d[3]+d[5])*2;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:16:18: warning: array subscript has type 'char' [-Wchar-subscripts]
   16 |    s[i][id[a[i-1]][b[i-1]]]++;
      |                  ^
dna.cpp:16:26: warning: array subscript has type 'char' [-Wchar-subscripts]
   16 |    s[i][id[a[i-1]][b[i-1]]]++;
      |                          ^
dna.cpp:19:19: warning: array subscript has type 'char' [-Wchar-subscripts]
   19 |   cnt[i][dy[a[i-1]]]++;
      |                   ^
dna.cpp:20:19: warning: array subscript has type 'char' [-Wchar-subscripts]
   20 |   cnt[i][dy[b[i-1]]]--;
      |                   ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 5616 KB Output is correct
2 Correct 46 ms 5628 KB Output is correct
3 Correct 42 ms 5340 KB Output is correct
4 Correct 41 ms 5648 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 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 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 6 ms 4324 KB Output is correct
5 Correct 7 ms 4348 KB Output is correct
6 Correct 6 ms 4364 KB Output is correct
7 Correct 6 ms 4044 KB Output is correct
8 Correct 5 ms 4428 KB Output is correct
9 Correct 5 ms 4428 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 6 ms 4324 KB Output is correct
5 Correct 7 ms 4348 KB Output is correct
6 Correct 6 ms 4364 KB Output is correct
7 Correct 6 ms 4044 KB Output is correct
8 Correct 5 ms 4428 KB Output is correct
9 Correct 5 ms 4428 KB Output is correct
10 Correct 47 ms 5628 KB Output is correct
11 Correct 40 ms 5736 KB Output is correct
12 Correct 43 ms 5728 KB Output is correct
13 Correct 44 ms 5876 KB Output is correct
14 Correct 49 ms 6012 KB Output is correct
15 Correct 41 ms 6020 KB Output is correct
16 Correct 41 ms 5776 KB Output is correct
17 Correct 46 ms 5828 KB Output is correct
18 Correct 47 ms 6012 KB Output is correct
19 Correct 43 ms 5996 KB Output is correct
20 Correct 40 ms 5880 KB Output is correct
21 Correct 39 ms 6144 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 6 ms 4324 KB Output is correct
5 Correct 7 ms 4348 KB Output is correct
6 Correct 6 ms 4364 KB Output is correct
7 Correct 6 ms 4044 KB Output is correct
8 Correct 5 ms 4428 KB Output is correct
9 Correct 5 ms 4428 KB Output is correct
10 Correct 5 ms 4044 KB Output is correct
11 Correct 6 ms 4428 KB Output is correct
12 Correct 5 ms 4140 KB Output is correct
13 Correct 6 ms 4352 KB Output is correct
14 Correct 6 ms 4428 KB Output is correct
15 Correct 6 ms 4428 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 5616 KB Output is correct
2 Correct 46 ms 5628 KB Output is correct
3 Correct 42 ms 5340 KB Output is correct
4 Correct 41 ms 5648 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 6 ms 4324 KB Output is correct
12 Correct 7 ms 4348 KB Output is correct
13 Correct 6 ms 4364 KB Output is correct
14 Correct 6 ms 4044 KB Output is correct
15 Correct 5 ms 4428 KB Output is correct
16 Correct 5 ms 4428 KB Output is correct
17 Correct 47 ms 5628 KB Output is correct
18 Correct 40 ms 5736 KB Output is correct
19 Correct 43 ms 5728 KB Output is correct
20 Correct 44 ms 5876 KB Output is correct
21 Correct 49 ms 6012 KB Output is correct
22 Correct 41 ms 6020 KB Output is correct
23 Correct 41 ms 5776 KB Output is correct
24 Correct 46 ms 5828 KB Output is correct
25 Correct 47 ms 6012 KB Output is correct
26 Correct 43 ms 5996 KB Output is correct
27 Correct 40 ms 5880 KB Output is correct
28 Correct 39 ms 6144 KB Output is correct
29 Correct 5 ms 4044 KB Output is correct
30 Correct 6 ms 4428 KB Output is correct
31 Correct 5 ms 4140 KB Output is correct
32 Correct 6 ms 4352 KB Output is correct
33 Correct 6 ms 4428 KB Output is correct
34 Correct 6 ms 4428 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 41 ms 5352 KB Output is correct
37 Correct 54 ms 5644 KB Output is correct
38 Correct 44 ms 5772 KB Output is correct
39 Correct 47 ms 6048 KB Output is correct
40 Correct 63 ms 6020 KB Output is correct
41 Correct 5 ms 4428 KB Output is correct
42 Correct 39 ms 5752 KB Output is correct
43 Correct 45 ms 6004 KB Output is correct
44 Correct 52 ms 6060 KB Output is correct
45 Correct 38 ms 5880 KB Output is correct
46 Correct 46 ms 6020 KB Output is correct
47 Correct 50 ms 6140 KB Output is correct