Submission #1142566

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142566		mouataz_the_giant	Mutating DNA (IOI21_dna)	C++17	0 / 100	19 ms	2368 KiB

dna

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

string a,b;

void init(string x,string y){
    a = x;
    b = y;
}
int get_distance(int x,int y){
    int pot = 0;;
    int ans = 0;
    int t_a = 0;
    int a_t = 0;
    int a_c = 0;
    int c_a = 0;
    int t_c = 0;
    int c_t = 0;
    string a1 = a.substr(x,y-x+1);
    string b1 = b.substr(x,y-x+1);
    for(int i = 0;i < a1.length();i++){
        if(a1[i] == 'T' && b1[i] == 'A'){
            t_a++;
        }
        if(a1[i] == 'A' && b1[i] == 'T'){
            a_t++;
        }
        if(a1[i] == 'A' && b1[i] == 'C'){
            a_c++;
        }
        if(a1[i] == 'C' && b1[i] == 'A'){
            c_a++;
        }
        if(a1[i] == 'T' && b1[i] == 'C'){
            t_c++;
        }
        if(a1[i] == 'C' && b1[i] == 'T'){
            c_t++;
        }
    }
    if(((t_c + t_a != a_t + c_t) || (c_a + c_t != a_c + t_c)) || (a_t + a_c != c_a + c_t)){
        return -1;
    }
    ans += min(a_c,c_a);
    ans += min(t_a,a_t);
    ans += min(t_c,c_t);
    pot += max(a_c,c_a) - min(a_c,c_a);
    pot += max(a_t,t_a) - min(a_t,t_a);
    pot += max(t_c,c_t) - min(t_c,c_t);
    ans += (pot/3) * 2;
    return ans;
}

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