Submission #1122942

#	Time	Username	Problem	Language	Result	Execution time	Memory
1122942		blackslex	Mutating DNA (IOI21_dna)	C++20	21 / 100	26 ms	2376 KiB

dna

#include "dna.h"
#include<bits/stdc++.h>

using namespace std;

string s, t;

void init(std::string a, std::string b) {
	s = a; t = b;
}

int get_distance(int x, int y) {
	string a = s.substr(x, y - x + 1), b = t.substr(x, y - x + 1);
	sort(a.begin(), a.end());
	sort(b.begin(), b.end());
	if (a != b) return -1;
	int cnt = 0;
	for (int i = x; i <= y; i++) {
		if (s[i] != t[i]) cnt++;
	}
	return (!cnt ? 0 : --cnt);
}

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