Submission #1081676

#	Time	Username	Problem	Language	Result	Execution time	Memory
1081676		raphael_heuchl	Mutating DNA (IOI21_dna)	C++17	21 / 100	1592 ms	3928 KiB

dna

#include "dna.h"
#include <iostream>

std::string A, B;

void init(std::string a, std::string b)
{
	A = a;
	B = b;
}

int get_distance(int x, int y)
{
	std::string a, b;
	for (int i = x; i <= y; ++i)
		a.push_back(A[i]),
		b.push_back(B[i]);
	if (a == b)
		return 0;

	for (int i = 0; i <= y - x; ++i)
		for (int j = i+1 ; j <= y - x; ++j)
		{
			std::swap(a[i], a[j]);
			if (a == b)
				return 1;
			
			std::swap(a[j], a[i]);
		}
	
	for (int i = 0; i <= y - x; ++i)
		for (int j = i + 1; j <= y - x; ++j)
			for (int l = 0; l <= y - x; ++l)
				for (int k = l+1; k <= y - x; ++k)
				{
					std::swap(a[i], a[j]);
					std::swap(a[l], a[k]);
					if (a == b)
						return 2;
					std::swap(a[k], a[l]);
					std::swap(a[j], a[i]);
				}
	return -1;
}

• Subtask 1: 21 / 21
• Subtask 2: 0 / 22
• Subtask 3: 0 / 13
• Subtask 4: 0 / 28
• Subtask 5: 0 / 16