Submission #1029395

#	Time	Username	Problem	Language	Result	Execution time	Memory
1029395		elpro123	Mutating DNA (IOI21_dna)	C++17	21 / 100	20 ms	3920 KiB

dna

#include "dna.h"
#include "bits/stdc++.h"
 
using namespace std;
 
string s, s2;
int n;
 
void init(string a, string b){
    s = a;
    s2 = b;
    n = (int)s.size();
}
 
int get_distance(int x, int y){
    int a1=0, a2=0, c1=0, c2=0, t1=0, t2=0;
    for(int i=x; i<=y; ++i){
		if(s[i] == 'A'){
			a1++;
		}
		if(s[i] == 'C'){
			c1++;
		}
		if(s[i] == 'T'){
			t1++;
		}
		if(s2[i] == 'A'){
			a2++;
		}
		if(s2[i] == 'C'){
			c2++;
		}
		if(s2[i] == 'T'){
			t2++;
		}
    }
	if(a1!=a2 || t1!=t2 || c1!=c2){
		return -1;
	}
	int check=1;
    for(int i=x; i<=y; ++i){
        check &= (s[i] == s2[i]);
	}
    if(check){
        return 0;
	}
    int ans=-1;
    for(int i=x; i<=y; ++i){
        ans += (s[i] != s2[i]);
	}
    return ans;
}

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