Submission #1215586

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215586		Ablabla	Mutating DNA (IOI21_dna)	C++20	0 / 100	19 ms	2604 KiB

dna

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

using namespace std;

string a, b;

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

int get_distance(int x, int y) {
	x--; y--;

	int egy = 0, ket = 0;
	for(int i = x; i <= y; i++){
		if(a[i] == 'A'){
			egy++;
		} else{
			ket++;
		}

		if(b[i] == 'A'){
			egy--;
		} else{
			ket--;
		}
	}

	if(egy != 0 || ket != 0){
		return -1;
	}

	int ans = 0;
	for(int i = x; i <= y; i++){
		if(a[i] != b[i]){
			ans++;
		}
	}

	return ans/2;
}

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