Submission #1053227

#	Time	Username	Problem	Language	Result	Execution time	Memory
1053227		Zicrus	Mutating DNA (IOI21_dna)	C++17	22 / 100	1578 ms	2396 KiB

dna

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

typedef long long ll;

string a, b;

void init(string a1, string b1) {
    a = a1; b = b1;
}

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

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