Submission #969058

#	Time	Username	Problem	Language	Result	Execution time	Memory
969058		andro	Mutating DNA (IOI21_dna)	C++17	22 / 100	1530 ms	3228 KiB

dna

#include <bits/stdc++.h>

#include "dna.h"

using namespace std;

string A, B;

void init(std::string a, std::string b) {
    A = a;
    B = b;
}

int get_distance(int x, int y) {
    int ans = 0;
    map<int,int> M, M1;
	for(int i = x; i <= y; i++) {
        if(A[i] != B[i]) {
            ans += 1;
        }
        M[A[i]] += 1;
        M1[B[i]] += 1;
	}
	if(M['A'] != M1['A'] || M['T'] != M1['T']) {
        return - 1;
	}
	else {
        return ans / 2;
	}
}

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