Submission #1013418

#	Time	Username	Problem	Language	Result	Execution time	Memory
1013418		vjudge1	Mutating DNA (IOI21_dna)	C++17	43 / 100	1553 ms	3924 KiB

dna

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

using namespace std;

string sa, sb;

void init(std::string a, std::string b) {
	sa = a, sb = b;
}

int get_distance(int x, int y) {

	int a1 = 0, a2 = 0, c1 = 0, c2 = 0, t1 = 0, t2 = 0, s = 0;

	for(int i = x; i <= y; ++i){

		if(sa[i] == sb[i]) s++;
		if(sa[i] == 'A') a1++;
		else if (sa[i] == 'T') t1++;
		else c1++;
		if(sb[i] == 'A') a2++;
		else if (sb[i] == 'T') t2++;
		else c2++;

	}

	if(a1 != a2 || t1 != t2 || c1 != c2) return -1;
	else return ceil((y-x-s+1)/2.0);

	return 0;
}

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