Submission #1215587

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215587		bali	Mutating DNA (IOI21_dna)	C++20	22 / 100	1594 ms	2372 KiB

dna

#include "dna.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
string a;
string b;

void init(std::string aa, std::string bb) {
	a=aa;
	b=bb;
}

int get_distance(int x, int y) {
	ll c=0;ll c2=0;
	for(ll i=x; i<=y; i++)
	{
		if(a[i]!=b[i])
		{
			c++;
		}
		if(a[i]-'T'==0)
		{
			c2++;
		}
		if(b[i]-'T'==0)
		{
			c2--;
		}
	}
	if(c2==0){return c/2;}else{return -1;}
	return 0;
}

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