Submission #576050

#	Time	Username	Problem	Language	Result	Execution time	Memory
576050		KrisjanisP	Mutating DNA (IOI21_dna)	C++17	0 / 100	31 ms	4368 KiB

dna

#include "dna.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll MX_N = 1e5;

ll ps[MX_N];

void init(std::string a, std::string b) {
	ll n = a.size();
	for(ll i=0;i<n;i++)
	{
		if(a[i]!=b[i])
			ps[i] = 1;
		if(i) ps[i]+=ps[i-1];
	}
}

int get_distance(int x, int y) {
	ll diff = ps[y];
	if(x) diff -= ps[x-1];
	return diff-1;
}

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