Submission #1336643

#	Time	Username	Problem	Language	Result	Execution time	Memory
1336643		teodorazvan	Mutating DNA (IOI21_dna)	C++20	0 / 100	460 ms	2616 KiB

dna

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

using namespace std;

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

int get_distance(int l,int r){
    string s1,s2;
    s1='.'+a;
    s2='.'+b;
    int c1a=0,c1t=0,c1c=0;
    for(int i=l;i<=r;i++){
        if(s1[i]=='A') c1a++;
        else if(s1[i]=='T') c1t++;
        else c1c++;
    }
    int c2a=0,c2t=0,c2c=0;
    for(int i=l;i<=r;i++){
        if(s2[i]=='A') c2a++;
        else if(s2[i]=='T') c2t++;
        else c2c++;
    }
    if(c1a!=c2a||c1t!=c2t||c1c!=c2c) return -1;
    int cnt=0;
    for(int i=l;i<=r;i++){
        if(s1[i]!=s2[i]) cnt++;
    }
    if(cnt==0) return 0;
    if(cnt==2) return 1;
    if(cnt==3) return 2;
    return -1;
}

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