Submission #1330045

#	Time	Username	Problem	Language	Result	Execution time	Memory
1330045		nicolo_010	DNA 돌연변이 (IOI21_dna)	C++20	43 / 100	1595 ms	2368 KiB

dna

#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;

string a, b;

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

int get_distance(int x, int y) {
	map<char, int> mp1, mp2;
	int cnt=0;
	for (int i=x; i<=y; i++) {
		mp1[a[i]]++, mp2[b[i]]++;
		if (a[i] != b[i]) {
			cnt++;
		}
	}
	if (mp1==mp2) {
		return (cnt+1)/2;
	}
	return -1;
}

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