Submission #1215634

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215634		Taxiradio	Mutating DNA (IOI21_dna)	C++20	22 / 100	1593 ms	2456 KiB

dna

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

int get_distance(int x, int y) {
	string a="" , b="";
	for(int i = x; i <= y; i++){
		a.push_back(c[i]);
		b.push_back(d[i]);
	}
	int k = 0;
	for(int i = 0; i <= y-x; i++){
		if(a[i] == 'A')k++;
		if(b[i] == 'A')k--;
	}
	if(k!=0)return -1;
	int ans = 0;
	for(int i = 0; i <= y-x; i++){
		if(a[i] != b[i])ans++;
	}
	return ans/2;
}

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