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Submission #437657

# Submission time Handle Problem Language Result Execution time Memory
437657 2021-06-26T18:45:44 Z FireGhost1301 Mutating DNA (IOI21_dna) C++17
100 / 100
 54 ms 4896 KB 
/**
    __author__ : FireGhost
    problems_ID: ioi21_dna
*/

#include "dna.h"
#include <bits/stdc++.h>
using namespace std;

#define mp make_pair
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define all(x) x.begin(), x.end()

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;

const int N = 1e5 + 3;
const int MOD = 1e9 + 7;

int pref_AT[N], pref_TA[N], pref_AC[N], pref_CA[N], pref_TC[N], pref_CT[N];

void init(string a, string b) {
    int n = a.size();
    a = " " + a; b = " " + b;
    for (int i = 1; i <= n; ++i) {
        pref_AT[i] = pref_AT[i - 1] + (a[i] == 'A' && b[i] == 'T');
        pref_TA[i] = pref_TA[i - 1] + (a[i] == 'T' && b[i] == 'A');
        pref_AC[i] = pref_AC[i - 1] + (a[i] == 'A' && b[i] == 'C');
        pref_CA[i] = pref_CA[i - 1] + (a[i] == 'C' && b[i] == 'A');
        pref_TC[i] = pref_TC[i - 1] + (a[i] == 'T' && b[i] == 'C');
        pref_CT[i] = pref_CT[i - 1] + (a[i] == 'C' && b[i] == 'T');
    }
}

int get_distance(int x, int y) {
    ++x, ++y;
    int ans = 0;
    int AT = pref_AT[y] - pref_AT[x - 1];
    int TA = pref_TA[y] - pref_TA[x - 1];
    int AC = pref_AC[y] - pref_AC[x - 1];
    int CA = pref_CA[y] - pref_CA[x - 1];
    int TC = pref_TC[y] - pref_TC[x - 1];
    int CT = pref_CT[y] - pref_CT[x - 1];
    int i = min(AT, TA), j = min(AC, CA), k = min(TC, CT);
    ans += i + j + k;
    AT -= i, TA -= i, AC -= j, CA -= j, TC -= k, CT -= k;
    int A = AT + AC - TA - CA, C = CA + CT - AC - TC, T = TA + TC - AT - CT;
    if (A > 0 || T > 0 || C > 0)
        return -1;
    if (AT == 0) {
        if (TA != AC || AC != CT)
            return -1;
        ans += 2 * TA;
    }
    else {
        if (AT != TC || TC != CA)
            return -1;
        ans += 2 * AT;
    }
    return ans;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 4508 KB Output is correct
2 Correct 39 ms 4504 KB Output is correct
3 Correct 39 ms 4244 KB Output is correct
4 Correct 50 ms 4508 KB Output is correct
5 Correct 1 ms 204 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 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 4 ms 3200 KB Output is correct
5 Correct 4 ms 3276 KB Output is correct
6 Correct 4 ms 3276 KB Output is correct
7 Correct 5 ms 3020 KB Output is correct
8 Correct 6 ms 3276 KB Output is correct
9 Correct 4 ms 3312 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 4 ms 3200 KB Output is correct
5 Correct 4 ms 3276 KB Output is correct
6 Correct 4 ms 3276 KB Output is correct
7 Correct 5 ms 3020 KB Output is correct
8 Correct 6 ms 3276 KB Output is correct
9 Correct 4 ms 3312 KB Output is correct
10 Correct 40 ms 4508 KB Output is correct
11 Correct 39 ms 4516 KB Output is correct
12 Correct 40 ms 4624 KB Output is correct
13 Correct 41 ms 4760 KB Output is correct
14 Correct 41 ms 4788 KB Output is correct
15 Correct 42 ms 4768 KB Output is correct
16 Correct 36 ms 4672 KB Output is correct
17 Correct 54 ms 4780 KB Output is correct
18 Correct 37 ms 4768 KB Output is correct
19 Correct 35 ms 4628 KB Output is correct
20 Correct 36 ms 4764 KB Output is correct
21 Correct 36 ms 4896 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 4 ms 3200 KB Output is correct
5 Correct 4 ms 3276 KB Output is correct
6 Correct 4 ms 3276 KB Output is correct
7 Correct 5 ms 3020 KB Output is correct
8 Correct 6 ms 3276 KB Output is correct
9 Correct 4 ms 3312 KB Output is correct
10 Correct 5 ms 3056 KB Output is correct
11 Correct 4 ms 3276 KB Output is correct
12 Correct 4 ms 3028 KB Output is correct
13 Correct 4 ms 3276 KB Output is correct
14 Correct 4 ms 3276 KB Output is correct
15 Correct 4 ms 3276 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 4508 KB Output is correct
2 Correct 39 ms 4504 KB Output is correct
3 Correct 39 ms 4244 KB Output is correct
4 Correct 50 ms 4508 KB Output is correct
5 Correct 1 ms 204 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 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 4 ms 3200 KB Output is correct
12 Correct 4 ms 3276 KB Output is correct
13 Correct 4 ms 3276 KB Output is correct
14 Correct 5 ms 3020 KB Output is correct
15 Correct 6 ms 3276 KB Output is correct
16 Correct 4 ms 3312 KB Output is correct
17 Correct 40 ms 4508 KB Output is correct
18 Correct 39 ms 4516 KB Output is correct
19 Correct 40 ms 4624 KB Output is correct
20 Correct 41 ms 4760 KB Output is correct
21 Correct 41 ms 4788 KB Output is correct
22 Correct 42 ms 4768 KB Output is correct
23 Correct 36 ms 4672 KB Output is correct
24 Correct 54 ms 4780 KB Output is correct
25 Correct 37 ms 4768 KB Output is correct
26 Correct 35 ms 4628 KB Output is correct
27 Correct 36 ms 4764 KB Output is correct
28 Correct 36 ms 4896 KB Output is correct
29 Correct 5 ms 3056 KB Output is correct
30 Correct 4 ms 3276 KB Output is correct
31 Correct 4 ms 3028 KB Output is correct
32 Correct 4 ms 3276 KB Output is correct
33 Correct 4 ms 3276 KB Output is correct
34 Correct 4 ms 3276 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 39 ms 4244 KB Output is correct
37 Correct 38 ms 4456 KB Output is correct
38 Correct 39 ms 4656 KB Output is correct
39 Correct 41 ms 4772 KB Output is correct
40 Correct 39 ms 4764 KB Output is correct
41 Correct 5 ms 3276 KB Output is correct
42 Correct 41 ms 4636 KB Output is correct
43 Correct 38 ms 4892 KB Output is correct
44 Correct 37 ms 4840 KB Output is correct
45 Correct 43 ms 4756 KB Output is correct
46 Correct 39 ms 4892 KB Output is correct
47 Correct 48 ms 4884 KB Output is correct