oj.uz

Submission #922127

# Submission time Handle Problem Language Result Execution time Memory
922127 2024-02-05T06:01:25 Z 406 Mutating DNA (IOI21_dna) C++17
100 / 100
 36 ms 6172 KB 
    #include "dna.h"
    #include <bits/stdc++.h>
    #define FOR(i, a, b) for (int i = (a); i < (b); i++)
    using namespace std;
    const int N = 1e5 + 50;
    int ps[N][3][3], n;
    short T[256];
     
    void init(string a, string b) {
    	T['A'] = 0;
    	T['T'] = 1;
    	T['C'] = 2;
    	n = a.size();
    	ps[0][T[a[0]]][T[b[0]]] = 1;
    	FOR(i, 1, n) {
    		FOR(j, 0, 3) FOR(k, 0, 3) ps[i][j][k] = ps[i - 1][j][k];
    		ps[i][T[a[i]]][T[b[i]]]++;
    	}
    }
     
    int get_distance(int x, int y) {
    	int dp[3][3];
    	memset(dp, 0, sizeof dp);
    	FOR(i, 0, 3) FOR(j, 0, 3) dp[i][j] = ps[y][i][j] - (x ? ps[x - 1][i][j] : 0);
    	int ans = 0;
     
    	FOR(i, 0, 3) FOR(j, i + 1, 3) {
    		int m = min(dp[i][j], dp[j][i]);
    		ans += m;
    		dp[i][j] -= m;
    		dp[j][i] -= m;
    	}
    	{
    		int m = min({dp[0][1], dp[1][2], dp[2][0]});
    		ans += 2 * m;
    		dp[0][1] -= m, dp[1][2] -= m, dp[2][0] -= m;
    	}
    	{
    		int m = min({dp[0][2], dp[2][1], dp[1][0]});
    		ans += 2 * m;
    		dp[0][2] -= m, dp[2][1] -= m, dp[1][0] -= m;
    	}
    	FOR(i, 0, 3) FOR(j, i + 1, 3) if (dp[i][j] || dp[j][i]) return -1;
    	return ans;
    }

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:14:18: warning: array subscript has type 'char' [-Wchar-subscripts]
   14 |      ps[0][T[a[0]]][T[b[0]]] = 1;
      |                  ^
dna.cpp:14:27: warning: array subscript has type 'char' [-Wchar-subscripts]
   14 |      ps[0][T[a[0]]][T[b[0]]] = 1;
      |                           ^
dna.cpp:17:19: warning: array subscript has type 'char' [-Wchar-subscripts]
   17 |       ps[i][T[a[i]]][T[b[i]]]++;
      |                   ^
dna.cpp:17:28: warning: array subscript has type 'char' [-Wchar-subscripts]
   17 |       ps[i][T[a[i]]][T[b[i]]]++;
      |                            ^

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 5660 KB Output is correct
2 Correct 25 ms 5724 KB Output is correct
3 Correct 25 ms 5416 KB Output is correct
4 Correct 25 ms 5724 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 3 ms 4444 KB Output is correct
5 Correct 3 ms 4456 KB Output is correct
6 Correct 3 ms 4440 KB Output is correct
7 Correct 3 ms 4188 KB Output is correct
8 Correct 4 ms 4444 KB Output is correct
9 Correct 3 ms 4440 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 3 ms 4444 KB Output is correct
5 Correct 3 ms 4456 KB Output is correct
6 Correct 3 ms 4440 KB Output is correct
7 Correct 3 ms 4188 KB Output is correct
8 Correct 4 ms 4444 KB Output is correct
9 Correct 3 ms 4440 KB Output is correct
10 Correct 25 ms 5628 KB Output is correct
11 Correct 26 ms 5724 KB Output is correct
12 Correct 27 ms 5660 KB Output is correct
13 Correct 35 ms 5908 KB Output is correct
14 Correct 35 ms 6156 KB Output is correct
15 Correct 25 ms 5924 KB Output is correct
16 Correct 26 ms 5856 KB Output is correct
17 Correct 27 ms 5924 KB Output is correct
18 Correct 26 ms 5996 KB Output is correct
19 Correct 28 ms 5920 KB Output is correct
20 Correct 28 ms 6036 KB Output is correct
21 Correct 25 ms 6156 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 3 ms 4444 KB Output is correct
5 Correct 3 ms 4456 KB Output is correct
6 Correct 3 ms 4440 KB Output is correct
7 Correct 3 ms 4188 KB Output is correct
8 Correct 4 ms 4444 KB Output is correct
9 Correct 3 ms 4440 KB Output is correct
10 Correct 3 ms 4188 KB Output is correct
11 Correct 3 ms 4444 KB Output is correct
12 Correct 3 ms 4188 KB Output is correct
13 Correct 3 ms 4444 KB Output is correct
14 Correct 3 ms 4444 KB Output is correct
15 Correct 4 ms 4444 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 5660 KB Output is correct
2 Correct 25 ms 5724 KB Output is correct
3 Correct 25 ms 5416 KB Output is correct
4 Correct 25 ms 5724 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 3 ms 4444 KB Output is correct
12 Correct 3 ms 4456 KB Output is correct
13 Correct 3 ms 4440 KB Output is correct
14 Correct 3 ms 4188 KB Output is correct
15 Correct 4 ms 4444 KB Output is correct
16 Correct 3 ms 4440 KB Output is correct
17 Correct 25 ms 5628 KB Output is correct
18 Correct 26 ms 5724 KB Output is correct
19 Correct 27 ms 5660 KB Output is correct
20 Correct 35 ms 5908 KB Output is correct
21 Correct 35 ms 6156 KB Output is correct
22 Correct 25 ms 5924 KB Output is correct
23 Correct 26 ms 5856 KB Output is correct
24 Correct 27 ms 5924 KB Output is correct
25 Correct 26 ms 5996 KB Output is correct
26 Correct 28 ms 5920 KB Output is correct
27 Correct 28 ms 6036 KB Output is correct
28 Correct 25 ms 6156 KB Output is correct
29 Correct 3 ms 4188 KB Output is correct
30 Correct 3 ms 4444 KB Output is correct
31 Correct 3 ms 4188 KB Output is correct
32 Correct 3 ms 4444 KB Output is correct
33 Correct 3 ms 4444 KB Output is correct
34 Correct 4 ms 4444 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 36 ms 5328 KB Output is correct
37 Correct 32 ms 5712 KB Output is correct
38 Correct 26 ms 5732 KB Output is correct
39 Correct 26 ms 5956 KB Output is correct
40 Correct 26 ms 6164 KB Output is correct
41 Correct 2 ms 4444 KB Output is correct
42 Correct 25 ms 6172 KB Output is correct
43 Correct 36 ms 6152 KB Output is correct
44 Correct 26 ms 6160 KB Output is correct
45 Correct 25 ms 5812 KB Output is correct
46 Correct 25 ms 6156 KB Output is correct
47 Correct 31 ms 6168 KB Output is correct