oj.uz

Submission #722107

# Submission time Handle Problem Language Result Execution time Memory
722107 2023-04-11T12:17:33 Z joelgun14 Mutating DNA (IOI21_dna) C++17
100 / 100
 98 ms 9732 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
int n;
const int lim = 1e5 + 5;
int cnt[2][3][lim];
int pref[3][3][lim];
char av[] = {'A', 'C', 'T'};
void init(std::string a, std::string b) {
	n = a.size();
	// init count of c a t
	// ac
	// ca
	// at
	// ta
	// tc
	// ct
	for(int i = 0; i < n; ++i) {
		if(i != 0) {
			for(int j = 0; j < 3; ++j)
				for(int k = 0; k < 2; ++k)
					cnt[k][j][i] = cnt[k][j][i - 1];
		}
		for(int j = 0; j < 3; ++j) {
			if(av[j] == a[i])
				++cnt[0][j][i];
			if(av[j] == b[i])
				++cnt[1][j][i];
		}
		for(int j = 0; j < 3; ++j) {
			for(int k = 0; k < 3; ++k) {
				if(i != 0)
					pref[j][k][i] = pref[j][k][i - 1];
				if(av[j] == a[i] && av[k] == b[i])
					++pref[j][k][i];
			}
		}
	}
}

int get_distance(int x, int y) {
	vector<int> cura, curb;
	for(int i = 0; i < 3; ++i) {
		int tmp1 = cnt[0][i][y], tmp2 = cnt[1][i][y];
		if(x != 0)
			tmp1 -= cnt[0][i][x - 1], tmp2 -= cnt[1][i][x - 1];
		cura.push_back(tmp1), curb.push_back(tmp2);
	}
	if(cura != curb)
		return -1;
	int cur[3][3];
	memset(cur, 0, sizeof(cur));
	for(int i = 0; i < 3; ++i) {
		for(int j = 0; j < 3; ++j) {
			int tmp = pref[i][j][y];
			if(x != 0)
				tmp -= pref[i][j][x - 1];
			cur[i][j] = tmp;
		}
	}
	int ans = 0;
	for(int i = 0; i < 3; ++i) {
		for(int j = 0; j < 3; ++j) {
			if(i == j) {
				cur[i][j] = 0;
			}
			int tmp = min(cur[i][j], cur[j][i]);
			ans += tmp;
			cur[i][j] -= tmp;
			cur[j][i] -= tmp;
		}
	}
	int sisa = 0;
	for(int i = 0; i < 3; ++i) {
		for(int j = 0; j < 3; ++j) {
			sisa += cur[i][j];
		}
	}
	return ans + 2 * sisa / 3;
}

Subtask #1
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 9276 KB Output is correct
2 Correct 63 ms 9336 KB Output is correct
3 Correct 98 ms 8812 KB Output is correct
4 Correct 59 ms 9328 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 308 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 8 ms 6868 KB Output is correct
5 Correct 7 ms 6852 KB Output is correct
6 Correct 7 ms 6944 KB Output is correct
7 Correct 8 ms 6500 KB Output is correct
8 Correct 8 ms 6896 KB Output is correct
9 Correct 6 ms 6868 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 8 ms 6868 KB Output is correct
5 Correct 7 ms 6852 KB Output is correct
6 Correct 7 ms 6944 KB Output is correct
7 Correct 8 ms 6500 KB Output is correct
8 Correct 8 ms 6896 KB Output is correct
9 Correct 6 ms 6868 KB Output is correct
10 Correct 76 ms 9308 KB Output is correct
11 Correct 68 ms 9408 KB Output is correct
12 Correct 74 ms 9244 KB Output is correct
13 Correct 63 ms 9480 KB Output is correct
14 Correct 77 ms 9712 KB Output is correct
15 Correct 72 ms 9600 KB Output is correct
16 Correct 54 ms 9184 KB Output is correct
17 Correct 57 ms 9364 KB Output is correct
18 Correct 67 ms 9636 KB Output is correct
19 Correct 52 ms 9192 KB Output is correct
20 Correct 51 ms 9368 KB Output is correct
21 Correct 51 ms 9628 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 8 ms 6868 KB Output is correct
5 Correct 7 ms 6852 KB Output is correct
6 Correct 7 ms 6944 KB Output is correct
7 Correct 8 ms 6500 KB Output is correct
8 Correct 8 ms 6896 KB Output is correct
9 Correct 6 ms 6868 KB Output is correct
10 Correct 8 ms 6420 KB Output is correct
11 Correct 8 ms 6868 KB Output is correct
12 Correct 7 ms 6564 KB Output is correct
13 Correct 8 ms 6868 KB Output is correct
14 Correct 10 ms 6848 KB Output is correct
15 Correct 8 ms 6848 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 9276 KB Output is correct
2 Correct 63 ms 9336 KB Output is correct
3 Correct 98 ms 8812 KB Output is correct
4 Correct 59 ms 9328 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 8 ms 6868 KB Output is correct
12 Correct 7 ms 6852 KB Output is correct
13 Correct 7 ms 6944 KB Output is correct
14 Correct 8 ms 6500 KB Output is correct
15 Correct 8 ms 6896 KB Output is correct
16 Correct 6 ms 6868 KB Output is correct
17 Correct 76 ms 9308 KB Output is correct
18 Correct 68 ms 9408 KB Output is correct
19 Correct 74 ms 9244 KB Output is correct
20 Correct 63 ms 9480 KB Output is correct
21 Correct 77 ms 9712 KB Output is correct
22 Correct 72 ms 9600 KB Output is correct
23 Correct 54 ms 9184 KB Output is correct
24 Correct 57 ms 9364 KB Output is correct
25 Correct 67 ms 9636 KB Output is correct
26 Correct 52 ms 9192 KB Output is correct
27 Correct 51 ms 9368 KB Output is correct
28 Correct 51 ms 9628 KB Output is correct
29 Correct 8 ms 6420 KB Output is correct
30 Correct 8 ms 6868 KB Output is correct
31 Correct 7 ms 6564 KB Output is correct
32 Correct 8 ms 6868 KB Output is correct
33 Correct 10 ms 6848 KB Output is correct
34 Correct 8 ms 6848 KB Output is correct
35 Correct 1 ms 292 KB Output is correct
36 Correct 79 ms 8820 KB Output is correct
37 Correct 66 ms 9356 KB Output is correct
38 Correct 69 ms 9352 KB Output is correct
39 Correct 75 ms 9664 KB Output is correct
40 Correct 82 ms 9720 KB Output is correct
41 Correct 9 ms 6844 KB Output is correct
42 Correct 60 ms 9312 KB Output is correct
43 Correct 67 ms 9632 KB Output is correct
44 Correct 70 ms 9608 KB Output is correct
45 Correct 55 ms 9280 KB Output is correct
46 Correct 55 ms 9620 KB Output is correct
47 Correct 63 ms 9732 KB Output is correct