Submission #784098

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
784098	2023-07-15T16:39:33 Z	zsombor	Mutating DNA (IOI21_dna)	C++17	100 / 100	38 ms	8340 KB

#include <iostream>
#include <vector>
#include "dna.h"
using namespace std;

vector <int> a(1e5, 0);
vector <int> b(1e5, 0);
vector <vector <vector <int>>> p(3, vector <vector <int>>(3, vector <int>(1e5, 0)));
vector <vector <int>> v(3, vector <int>(3, 0));

int num(char c) {
	if (c == 'A') return 0;
	if (c == 'T') return 1;
	return 2;
}

void init(string A, string B) {
	for (int k = 0; k < A.size(); k++) {
		a[k] = num(A[k]);
		b[k] = num(B[k]);
		p[a[k]][b[k]][k]++;
	}
	for (int k = 1; k < A.size(); k++) {
		for (int i = 0; i < 3; i++) {
			for (int j = 0; j < 3; j++) {
				p[i][j][k] += p[i][j][k - 1];
			}
		}
	}
}

int cnt(int i, int j, int l, int r) {
	return (l ? p[i][j][r] - p[i][j][l - 1] : p[i][j][r]);
}

void get_v(int l, int r) {
	for (int i = 0; i < 3; i++) {
		for (int j = 0; j < 3; j++) {
			v[i][j] = cnt(i, j, l, r);
		}
	}
}

int get_distance(int l, int r) {
	get_v(l, r);
	int mn, ans = 0;
	for (int i = 0; i < 3; i++) {
		for (int j = i + 1; j < 3; j++) {
			mn = min(v[i][j], v[j][i]);
			v[i][j] -= mn;
			v[j][i] -= mn;
			ans += mn;
		}
	}
	if (v[0][1] != v[1][2] || v[0][1] != v[2][0]) return -1;
	if (v[1][0] != v[2][1] || v[1][0] != v[0][2]) return -1;
	ans += 2 * v[0][1];
	ans += 2 * v[1][0];
	return ans;
}

Compilation message

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:18:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  for (int k = 0; k < A.size(); k++) {
      |                  ~~^~~~~~~~~~
dna.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int k = 1; k < A.size(); k++) {
      |                  ~~^~~~~~~~~~

Subtask #1
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	30 ms	7852 KB	Output is correct
2	Correct	31 ms	7832 KB	Output is correct
3	Correct	30 ms	7780 KB	Output is correct
4	Correct	35 ms	7912 KB	Output is correct
5	Correct	4 ms	6100 KB	Output is correct
6	Correct	3 ms	6100 KB	Output is correct
7	Correct	3 ms	6100 KB	Output is correct

Subtask #2
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	6100 KB	Output is correct
2	Correct	3 ms	6100 KB	Output is correct
3	Correct	4 ms	6100 KB	Output is correct
4	Correct	7 ms	6100 KB	Output is correct
5	Correct	7 ms	6100 KB	Output is correct
6	Correct	9 ms	6084 KB	Output is correct
7	Correct	7 ms	6100 KB	Output is correct
8	Correct	7 ms	6100 KB	Output is correct
9	Correct	7 ms	6100 KB	Output is correct

Subtask #3
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	6100 KB	Output is correct
2	Correct	3 ms	6100 KB	Output is correct
3	Correct	4 ms	6100 KB	Output is correct
4	Correct	7 ms	6100 KB	Output is correct
5	Correct	7 ms	6100 KB	Output is correct
6	Correct	9 ms	6084 KB	Output is correct
7	Correct	7 ms	6100 KB	Output is correct
8	Correct	7 ms	6100 KB	Output is correct
9	Correct	7 ms	6100 KB	Output is correct
10	Correct	31 ms	7804 KB	Output is correct
11	Correct	31 ms	7848 KB	Output is correct
12	Correct	32 ms	8124 KB	Output is correct
13	Correct	32 ms	8184 KB	Output is correct
14	Correct	38 ms	8340 KB	Output is correct
15	Correct	32 ms	8100 KB	Output is correct
16	Correct	31 ms	8056 KB	Output is correct
17	Correct	34 ms	8072 KB	Output is correct
18	Correct	32 ms	8124 KB	Output is correct
19	Correct	30 ms	8116 KB	Output is correct
20	Correct	29 ms	8056 KB	Output is correct
21	Correct	31 ms	8124 KB	Output is correct

Subtask #4
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	6100 KB	Output is correct
2	Correct	3 ms	6100 KB	Output is correct
3	Correct	4 ms	6100 KB	Output is correct
4	Correct	7 ms	6100 KB	Output is correct
5	Correct	7 ms	6100 KB	Output is correct
6	Correct	9 ms	6084 KB	Output is correct
7	Correct	7 ms	6100 KB	Output is correct
8	Correct	7 ms	6100 KB	Output is correct
9	Correct	7 ms	6100 KB	Output is correct
10	Correct	7 ms	6100 KB	Output is correct
11	Correct	7 ms	6100 KB	Output is correct
12	Correct	7 ms	6100 KB	Output is correct
13	Correct	7 ms	6100 KB	Output is correct
14	Correct	9 ms	6100 KB	Output is correct
15	Correct	7 ms	6100 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	30 ms	7852 KB	Output is correct
2	Correct	31 ms	7832 KB	Output is correct
3	Correct	30 ms	7780 KB	Output is correct
4	Correct	35 ms	7912 KB	Output is correct
5	Correct	4 ms	6100 KB	Output is correct
6	Correct	3 ms	6100 KB	Output is correct
7	Correct	3 ms	6100 KB	Output is correct
8	Correct	3 ms	6100 KB	Output is correct
9	Correct	3 ms	6100 KB	Output is correct
10	Correct	4 ms	6100 KB	Output is correct
11	Correct	7 ms	6100 KB	Output is correct
12	Correct	7 ms	6100 KB	Output is correct
13	Correct	9 ms	6084 KB	Output is correct
14	Correct	7 ms	6100 KB	Output is correct
15	Correct	7 ms	6100 KB	Output is correct
16	Correct	7 ms	6100 KB	Output is correct
17	Correct	31 ms	7804 KB	Output is correct
18	Correct	31 ms	7848 KB	Output is correct
19	Correct	32 ms	8124 KB	Output is correct
20	Correct	32 ms	8184 KB	Output is correct
21	Correct	38 ms	8340 KB	Output is correct
22	Correct	32 ms	8100 KB	Output is correct
23	Correct	31 ms	8056 KB	Output is correct
24	Correct	34 ms	8072 KB	Output is correct
25	Correct	32 ms	8124 KB	Output is correct
26	Correct	30 ms	8116 KB	Output is correct
27	Correct	29 ms	8056 KB	Output is correct
28	Correct	31 ms	8124 KB	Output is correct
29	Correct	7 ms	6100 KB	Output is correct
30	Correct	7 ms	6100 KB	Output is correct
31	Correct	7 ms	6100 KB	Output is correct
32	Correct	7 ms	6100 KB	Output is correct
33	Correct	9 ms	6100 KB	Output is correct
34	Correct	7 ms	6100 KB	Output is correct
35	Correct	3 ms	6100 KB	Output is correct
36	Correct	30 ms	7800 KB	Output is correct
37	Correct	32 ms	7832 KB	Output is correct
38	Correct	31 ms	8172 KB	Output is correct
39	Correct	33 ms	8236 KB	Output is correct
40	Correct	33 ms	8236 KB	Output is correct
41	Correct	7 ms	6100 KB	Output is correct
42	Correct	31 ms	8116 KB	Output is correct
43	Correct	31 ms	8196 KB	Output is correct
44	Correct	35 ms	8200 KB	Output is correct
45	Correct	29 ms	8108 KB	Output is correct
46	Correct	30 ms	8116 KB	Output is correct
47	Correct	31 ms	8204 KB	Output is correct

Submission #784098

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