Submission #1215582

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215582		ZsofiaKeresztely	Mutating DNA (IOI21_dna)	C++20	22 / 100	1594 ms	2376 KiB

dna

#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
string a, b;

void init(string x, string y) {
	a = x;
	b = y;
}

int get_distance(int x, int y) {
	int dif = 0, ans = 0;
	for (int i=x; i<=y; i++){
		if (a[i] == 'A') dif++;
		if (b[i] == 'A') dif--;
		if (a[i] != b[i]) ans++;
	}
	if (dif){
		return -1;
	}
	return ans / 2;
}

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