oj.uz

Submission #466476

# Submission time Handle Problem Language Result Execution time Memory
466476 2021-08-19T12:27:33 Z alexxela12345 Mutating DNA (IOI21_dna) C++17
100 / 100
 144 ms 23712 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;

int n;
vector<vector<vector<int>>> pref;

void init(std::string a, std::string b) {
    n = a.size();
    pref.resize(n + 1, vector<vector<int>> (3, vector<int> (3)));
    for (int i = 0; i < n; i++) {
        pref[i + 1] = pref[i];
        int a1;
        if (a[i] == 'A') {
            a1 = 0;
        } else if (a[i] == 'C') {
            a1 = 1;
        } else {
            a1 = 2;
        }
        int b1;
        if (b[i] == 'A') {
            b1 = 0;
        } else if (b[i] == 'C') {
            b1 = 1;
        } else {
            b1 = 2;
        }
        pref[i + 1][a1][b1]++;
    }
}

int get_distance(int x, int y) {
    vector<vector<int>> arr = pref[y + 1];
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            arr[i][j] -= pref[x][i][j];
        }
    }
    vector<int> cnt1(3), cnt2(3);
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            cnt1[i] += arr[i][j];
            cnt2[j] += arr[i][j];
        }
    }
    if (cnt1 != cnt2) {
        return -1;
    }
    for (int i = 0; i < 3; i++) {
        arr[i][i] = 0;
    }
    int ans = 0;
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            int mn = min(arr[i][j], arr[j][i]);
            ans += mn;
            arr[i][j] -= mn;
            arr[j][i] -= mn;
        }
    }
    assert(arr[0][1] == arr[1][2] && arr[1][2] == arr[2][0]);    
    assert(arr[1][0] == arr[2][1] && arr[2][1] == arr[0][2]);    
    ans += 2 * (arr[0][1] + arr[1][0]);
	return ans;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 22852 KB Output is correct
2 Correct 118 ms 23116 KB Output is correct
3 Correct 103 ms 21256 KB Output is correct
4 Correct 106 ms 23120 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 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 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 31 ms 20424 KB Output is correct
5 Correct 32 ms 20528 KB Output is correct
6 Correct 32 ms 20440 KB Output is correct
7 Correct 31 ms 19240 KB Output is correct
8 Correct 32 ms 20604 KB Output is correct
9 Correct 34 ms 20640 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 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 31 ms 20424 KB Output is correct
5 Correct 32 ms 20528 KB Output is correct
6 Correct 32 ms 20440 KB Output is correct
7 Correct 31 ms 19240 KB Output is correct
8 Correct 32 ms 20604 KB Output is correct
9 Correct 34 ms 20640 KB Output is correct
10 Correct 112 ms 22904 KB Output is correct
11 Correct 117 ms 23100 KB Output is correct
12 Correct 125 ms 22060 KB Output is correct
13 Correct 120 ms 22556 KB Output is correct
14 Correct 123 ms 23492 KB Output is correct
15 Correct 118 ms 23432 KB Output is correct
16 Correct 106 ms 21968 KB Output is correct
17 Correct 107 ms 22424 KB Output is correct
18 Correct 104 ms 23332 KB Output is correct
19 Correct 86 ms 21960 KB Output is correct
20 Correct 93 ms 22428 KB Output is correct
21 Correct 89 ms 23364 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 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 31 ms 20424 KB Output is correct
5 Correct 32 ms 20528 KB Output is correct
6 Correct 32 ms 20440 KB Output is correct
7 Correct 31 ms 19240 KB Output is correct
8 Correct 32 ms 20604 KB Output is correct
9 Correct 34 ms 20640 KB Output is correct
10 Correct 35 ms 18764 KB Output is correct
11 Correct 31 ms 20628 KB Output is correct
12 Correct 29 ms 19248 KB Output is correct
13 Correct 32 ms 20416 KB Output is correct
14 Correct 32 ms 20516 KB Output is correct
15 Correct 31 ms 20648 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 22852 KB Output is correct
2 Correct 118 ms 23116 KB Output is correct
3 Correct 103 ms 21256 KB Output is correct
4 Correct 106 ms 23120 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 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 31 ms 20424 KB Output is correct
12 Correct 32 ms 20528 KB Output is correct
13 Correct 32 ms 20440 KB Output is correct
14 Correct 31 ms 19240 KB Output is correct
15 Correct 32 ms 20604 KB Output is correct
16 Correct 34 ms 20640 KB Output is correct
17 Correct 112 ms 22904 KB Output is correct
18 Correct 117 ms 23100 KB Output is correct
19 Correct 125 ms 22060 KB Output is correct
20 Correct 120 ms 22556 KB Output is correct
21 Correct 123 ms 23492 KB Output is correct
22 Correct 118 ms 23432 KB Output is correct
23 Correct 106 ms 21968 KB Output is correct
24 Correct 107 ms 22424 KB Output is correct
25 Correct 104 ms 23332 KB Output is correct
26 Correct 86 ms 21960 KB Output is correct
27 Correct 93 ms 22428 KB Output is correct
28 Correct 89 ms 23364 KB Output is correct
29 Correct 35 ms 18764 KB Output is correct
30 Correct 31 ms 20628 KB Output is correct
31 Correct 29 ms 19248 KB Output is correct
32 Correct 32 ms 20416 KB Output is correct
33 Correct 32 ms 20516 KB Output is correct
34 Correct 31 ms 20648 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 107 ms 21328 KB Output is correct
37 Correct 110 ms 23108 KB Output is correct
38 Correct 144 ms 22164 KB Output is correct
39 Correct 117 ms 23712 KB Output is correct
40 Correct 116 ms 23468 KB Output is correct
41 Correct 39 ms 20660 KB Output is correct
42 Correct 102 ms 22148 KB Output is correct
43 Correct 107 ms 23364 KB Output is correct
44 Correct 106 ms 23340 KB Output is correct
45 Correct 87 ms 22212 KB Output is correct
46 Correct 95 ms 23432 KB Output is correct
47 Correct 91 ms 23492 KB Output is correct