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Submission #499094

# Submission time Handle Problem Language Result Execution time Memory
499094 2021-12-27T08:34:21 Z blue Mutating DNA (IOI21_dna) C++17
100 / 100
 51 ms 10884 KB 
#include "dna.h"
#include <string>
#include <map>
#include <vector>
#include <iostream>
using namespace std;

const int maxN = 100000;

map<char, int> M;
int N;
vector<int> A, B;

int ct[1+maxN][4][4];

void init(string a, string b)
{
    N = a.size();

    A = B = vector<int>(N+1, 0);

    M['A'] = 1;
    M['C'] = 2;
    M['T'] = 3;

    for(int i = 0; i < N; i++)
    {
        A[i+1] = M[a[i]];
        B[i+1] = M[b[i]];
    }

    for(int i = 1; i <= N; i++)
    {
        for(int j1 = 1; j1 <= 3; j1++)
        {
            for(int j2 = 1; j2 <= 3; j2++)
            {
                ct[i][j1][j2] = ct[i-1][j1][j2] + (A[i] == j1 && B[i] == j2);
            }
        }
    }
}

int get_distance(int x, int y)
{
	int X[4][4];
    for(int i = 1; i <= 3; i++)
        for(int j = 1; j <= 3; j++)
        {
            X[i][j] = ct[(y+1)][i][j] - ct[(x+1) - 1][i][j];
        }

    int res = 0;

    for(int k = 1; k <= 3; k++)
    {
        if(X[k][1] + X[k][2] + X[k][3] != X[1][k] + X[2][k] + X[3][k]) return -1;
    }





    int mov12 = min(X[1][2], X[2][1]);
    res += 1*mov12;
    X[1][2] -= mov12;
    X[2][1] -= mov12;

    int mov23 = min(X[2][3], X[3][2]);
    res += 1*mov23;
    X[2][3] -= mov23;
    X[3][2] -= mov23;

    int mov31 = min(X[3][1], X[1][3]);
    res += 1*mov31;
    X[1][3] -= mov31;
    X[3][1] -= mov31;






    int mov123 = min(X[1][2], min(X[2][3], X[3][1]));
    res += 2*mov123;
    X[1][2] -= mov123;
    X[2][3] -= mov123;
    X[3][1] -= mov123;

    int mov321 = min(X[2][1], min(X[3][2], X[1][3]));
    res += 2*mov321;
    X[2][1] -= mov321;
    X[3][2] -= mov321;
    X[1][3] -= mov321;

    return res;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 10412 KB Output is correct
2 Correct 38 ms 10496 KB Output is correct
3 Correct 40 ms 9820 KB Output is correct
4 Correct 41 ms 10480 KB Output is correct
5 Correct 0 ms 296 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 300 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 7 ms 8036 KB Output is correct
5 Correct 8 ms 8112 KB Output is correct
6 Correct 7 ms 8004 KB Output is correct
7 Correct 7 ms 7576 KB Output is correct
8 Correct 7 ms 8140 KB Output is correct
9 Correct 6 ms 8120 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 7 ms 8036 KB Output is correct
5 Correct 8 ms 8112 KB Output is correct
6 Correct 7 ms 8004 KB Output is correct
7 Correct 7 ms 7576 KB Output is correct
8 Correct 7 ms 8140 KB Output is correct
9 Correct 6 ms 8120 KB Output is correct
10 Correct 51 ms 10376 KB Output is correct
11 Correct 39 ms 10564 KB Output is correct
12 Correct 39 ms 10332 KB Output is correct
13 Correct 40 ms 10616 KB Output is correct
14 Correct 37 ms 10832 KB Output is correct
15 Correct 37 ms 10752 KB Output is correct
16 Correct 34 ms 10260 KB Output is correct
17 Correct 47 ms 10504 KB Output is correct
18 Correct 36 ms 10848 KB Output is correct
19 Correct 32 ms 10328 KB Output is correct
20 Correct 36 ms 10472 KB Output is correct
21 Correct 34 ms 10856 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 7 ms 8036 KB Output is correct
5 Correct 8 ms 8112 KB Output is correct
6 Correct 7 ms 8004 KB Output is correct
7 Correct 7 ms 7576 KB Output is correct
8 Correct 7 ms 8140 KB Output is correct
9 Correct 6 ms 8120 KB Output is correct
10 Correct 8 ms 7356 KB Output is correct
11 Correct 11 ms 8140 KB Output is correct
12 Correct 8 ms 7600 KB Output is correct
13 Correct 8 ms 8012 KB Output is correct
14 Correct 8 ms 8140 KB Output is correct
15 Correct 7 ms 8044 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 10412 KB Output is correct
2 Correct 38 ms 10496 KB Output is correct
3 Correct 40 ms 9820 KB Output is correct
4 Correct 41 ms 10480 KB Output is correct
5 Correct 0 ms 296 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 300 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 7 ms 8036 KB Output is correct
12 Correct 8 ms 8112 KB Output is correct
13 Correct 7 ms 8004 KB Output is correct
14 Correct 7 ms 7576 KB Output is correct
15 Correct 7 ms 8140 KB Output is correct
16 Correct 6 ms 8120 KB Output is correct
17 Correct 51 ms 10376 KB Output is correct
18 Correct 39 ms 10564 KB Output is correct
19 Correct 39 ms 10332 KB Output is correct
20 Correct 40 ms 10616 KB Output is correct
21 Correct 37 ms 10832 KB Output is correct
22 Correct 37 ms 10752 KB Output is correct
23 Correct 34 ms 10260 KB Output is correct
24 Correct 47 ms 10504 KB Output is correct
25 Correct 36 ms 10848 KB Output is correct
26 Correct 32 ms 10328 KB Output is correct
27 Correct 36 ms 10472 KB Output is correct
28 Correct 34 ms 10856 KB Output is correct
29 Correct 8 ms 7356 KB Output is correct
30 Correct 11 ms 8140 KB Output is correct
31 Correct 8 ms 7600 KB Output is correct
32 Correct 8 ms 8012 KB Output is correct
33 Correct 8 ms 8140 KB Output is correct
34 Correct 7 ms 8044 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 43 ms 9888 KB Output is correct
37 Correct 45 ms 10476 KB Output is correct
38 Correct 39 ms 10368 KB Output is correct
39 Correct 49 ms 10880 KB Output is correct
40 Correct 46 ms 10880 KB Output is correct
41 Correct 6 ms 8140 KB Output is correct
42 Correct 42 ms 10332 KB Output is correct
43 Correct 37 ms 10884 KB Output is correct
44 Correct 36 ms 10860 KB Output is correct
45 Correct 47 ms 10332 KB Output is correct
46 Correct 37 ms 10820 KB Output is correct
47 Correct 38 ms 10864 KB Output is correct