Submission #446617

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
446617	2021-07-22T19:31:02 Z	tkwiatkowski	Mutating DNA (IOI21_dna)	C++17	100 / 100	49 ms	9728 KB

/*
	Zadanie: Mutating DNA
	Autor: Tomasz Kwiatkowski
*/

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back

using namespace std;
typedef long long ll;

const int MAXN = 1000*1000 + 7;
const int INF = 1000*1000*1000 + 7;

char toChar[3] = {'A', 'T', 'C'};
int cnt1[MAXN][3], cnt2[MAXN][3];
int pref[MAXN][3][3];

void init(string a, string b)
{
	int n = a.size();
	for (int i = 1; i <= n; ++i) {
		for (int c1 = 0; c1 < 3; ++c1) {
			cnt1[i][c1] = cnt1[i - 1][c1];
			cnt2[i][c1] = cnt2[i - 1][c1];
			if (a[i - 1] == toChar[c1])
				++cnt1[i][c1];
			if (b[i - 1] == toChar[c1])
				++cnt2[i][c1];

			for (int c2 = 0; c2 < 3; ++c2) {
				pref[i][c1][c2] = pref[i - 1][c1][c2];
				if (a[i - 1] == toChar[c1] && b[i - 1] == toChar[c2]) {
					++pref[i][c1][c2];
				}
			}
		}
	}
}

int get_distance(int x, int y)
{
	++x, ++y;

	for (int c = 0; c < 3; ++c) {
		if ((cnt1[y][c] - cnt1[x - 1][c]) != (cnt2[y][c] - cnt2[x - 1][c])) {
			return -1;
		}
	}

	int tmp[3][3];
	for (int c1 = 0; c1 < 3; ++c1) {
		for (int c2 = 0; c2 < 3; ++c2) {
			tmp[c1][c2] = pref[y][c1][c2] - pref[x - 1][c1][c2];
		}
	}

	int res = 0;
	int minn = min(tmp[0][1], tmp[1][0]);
	tmp[0][1] -= minn;
	tmp[1][0] -= minn;
	res += minn;
	minn = min(tmp[0][2], tmp[2][0]);
	tmp[0][2] -= minn;
	tmp[2][0] -= minn;
	res += minn;
	minn = min(tmp[2][1], tmp[1][2]);
	tmp[2][1] -= minn;
	tmp[1][2] -= minn;
	res += minn;

	int sum = 0, maxx = 0;
	for (int c1 = 0; c1 < 3; ++c1) {
		for (int c2 = 0; c2 < 3; ++c2) {
			if (c1 == c2)
				continue;
			sum += tmp[c1][c2];
			maxx = max(tmp[c1][c2], maxx);
		}
	}

	res += (sum - maxx);

	return res;
}

/*int main()
{
	ios_base::sync_with_stdio(0), cin.tie(0);

	int n, q;
	cin >> n >> q;
	string s1, s2;
	cin >> s1 >> s2;
	init(s1, s2);
	while (q--) {
		int x, y;
		cin >> x >> y;
		cout << get_distance(x, y) << '\n';
	}

	return 0;
}*/

Subtask #1
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	7940 KB	Output is correct
2	Correct	46 ms	9344 KB	Output is correct
3	Correct	44 ms	8796 KB	Output is correct
4	Correct	46 ms	9344 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 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	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	6604 KB	Output is correct
5	Correct	7 ms	6860 KB	Output is correct
6	Correct	7 ms	6860 KB	Output is correct
7	Correct	7 ms	6476 KB	Output is correct
8	Correct	7 ms	6860 KB	Output is correct
9	Correct	6 ms	6860 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	6604 KB	Output is correct
5	Correct	7 ms	6860 KB	Output is correct
6	Correct	7 ms	6860 KB	Output is correct
7	Correct	7 ms	6476 KB	Output is correct
8	Correct	7 ms	6860 KB	Output is correct
9	Correct	6 ms	6860 KB	Output is correct
10	Correct	46 ms	9324 KB	Output is correct
11	Correct	43 ms	9344 KB	Output is correct
12	Correct	44 ms	9284 KB	Output is correct
13	Correct	47 ms	9392 KB	Output is correct
14	Correct	49 ms	9728 KB	Output is correct
15	Correct	46 ms	9712 KB	Output is correct
16	Correct	42 ms	9224 KB	Output is correct
17	Correct	44 ms	9368 KB	Output is correct
18	Correct	44 ms	9652 KB	Output is correct
19	Correct	39 ms	9252 KB	Output is correct
20	Correct	39 ms	9424 KB	Output is correct
21	Correct	40 ms	9716 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	6604 KB	Output is correct
5	Correct	7 ms	6860 KB	Output is correct
6	Correct	7 ms	6860 KB	Output is correct
7	Correct	7 ms	6476 KB	Output is correct
8	Correct	7 ms	6860 KB	Output is correct
9	Correct	6 ms	6860 KB	Output is correct
10	Correct	7 ms	6348 KB	Output is correct
11	Correct	8 ms	6860 KB	Output is correct
12	Correct	7 ms	6524 KB	Output is correct
13	Correct	8 ms	6844 KB	Output is correct
14	Correct	8 ms	6960 KB	Output is correct
15	Correct	7 ms	6860 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	7940 KB	Output is correct
2	Correct	46 ms	9344 KB	Output is correct
3	Correct	44 ms	8796 KB	Output is correct
4	Correct	46 ms	9344 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 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	6604 KB	Output is correct
12	Correct	7 ms	6860 KB	Output is correct
13	Correct	7 ms	6860 KB	Output is correct
14	Correct	7 ms	6476 KB	Output is correct
15	Correct	7 ms	6860 KB	Output is correct
16	Correct	6 ms	6860 KB	Output is correct
17	Correct	46 ms	9324 KB	Output is correct
18	Correct	43 ms	9344 KB	Output is correct
19	Correct	44 ms	9284 KB	Output is correct
20	Correct	47 ms	9392 KB	Output is correct
21	Correct	49 ms	9728 KB	Output is correct
22	Correct	46 ms	9712 KB	Output is correct
23	Correct	42 ms	9224 KB	Output is correct
24	Correct	44 ms	9368 KB	Output is correct
25	Correct	44 ms	9652 KB	Output is correct
26	Correct	39 ms	9252 KB	Output is correct
27	Correct	39 ms	9424 KB	Output is correct
28	Correct	40 ms	9716 KB	Output is correct
29	Correct	7 ms	6348 KB	Output is correct
30	Correct	8 ms	6860 KB	Output is correct
31	Correct	7 ms	6524 KB	Output is correct
32	Correct	8 ms	6844 KB	Output is correct
33	Correct	8 ms	6960 KB	Output is correct
34	Correct	7 ms	6860 KB	Output is correct
35	Correct	0 ms	204 KB	Output is correct
36	Correct	44 ms	8772 KB	Output is correct
37	Correct	45 ms	9344 KB	Output is correct
38	Correct	46 ms	9448 KB	Output is correct
39	Correct	47 ms	9712 KB	Output is correct
40	Correct	46 ms	9728 KB	Output is correct
41	Correct	6 ms	6860 KB	Output is correct
42	Correct	42 ms	9196 KB	Output is correct
43	Correct	47 ms	9716 KB	Output is correct
44	Correct	46 ms	9600 KB	Output is correct
45	Correct	39 ms	9232 KB	Output is correct
46	Correct	40 ms	9596 KB	Output is correct
47	Correct	40 ms	9712 KB	Output is correct

Submission #446617

Compilation message

Subtask #1 21.0 / 21.0

Subtask #2 22.0 / 22.0

Subtask #3 13.0 / 13.0

Subtask #4 28.0 / 28.0

Subtask #5 16.0 / 16.0

Subtask #1
21.0 / 21.0

Subtask #2
22.0 / 22.0

Subtask #3
13.0 / 13.0

Subtask #4
28.0 / 28.0

Subtask #5
16.0 / 16.0