Submission #1360956

#	Time	Username	Problem	Language	Result	Execution time	Memory
1360956		cpismayilmmdv985	Mutating DNA (IOI21_dna)	C++20	0 / 100	15 ms	2604 KiB

dna

#include "dna.h"
#include "bits/stdc++.h"
using namespace std;

string A, B;
int N;

void init(string a, string b) {
   A = a, B = b, N = (int)A.length();
}

int get_distance(int l, int r) {
   l--, r--;
   string sorta = A.substr(l, r - l + 1), sortb = B.substr(l, r - l + 1);
   sort(sorta.begin(), sorta.end()), sort(sortb.begin(), sortb.end());
   if (sorta != sortb)  return -1;
   int cnt = 0;
   for (int i = l; i <= r; i++)  cnt += (A[i] != B[i]);
   return (cnt >> 1) + (cnt % 2);
}

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