제출 #1141889

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1141889		rayank	DNA 돌연변이 (IOI21_dna)	C++20	0 / 100	688 ms	2452 KiB

dna

#include "dna.h"
#include <bits/stdc++.h>
using namespace std;
string A;
string B;
void init(string a, string b) {
	A = a;
	B = b;
}

int find_pos(char c, string s, int start, int end){
	for(int i = start; i <= end; i++){
		if(s[i] == c){
			return i;
		}
	}
	return -1;
}
bool issamee(string a, string b, int start, int end){
	for(int i = start; i <= end; i++){
		if(a[i] != b[i]){
			return false;
		}
	}
	return true;
}

int get_distance(int x, int y) {
	int res = 0;
	string acopy = A;
	for(int i=x; i <=y;i++){
		if(acopy[i] == B[i]) continue;
		int pos = find_pos(acopy[i], B, x, y);
		if(pos == -1) return -1;
		swap(acopy[i], acopy[pos]);
		res++;
	}
	for(int i=x; i <=y;i++){
		if(acopy[i] == B[i]) continue;
		int pos = find_pos(acopy[i], B, x, y);
		if(pos == -1) return -1;
		swap(acopy[i], acopy[pos]);
		res++;
	}
	if(!issamee(acopy, B, x, y)) return -1;
	return res;
}

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