Submission #1142619

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142619		sam12345678910112	Mutating DNA (IOI21_dna)	C++20	21 / 100	30 ms	2376 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 x, int y) {
  int count;
  map<char,int>m2;
    map<char,int>m1;
 
      count=0;
      for(int so=x;so<=y;so++){
          if(A[so]!=B[so]){count++;m2[A[so]]+=1;m1[B[so]]+=1;}
      }
      if(m1['A']==m2['A']&&m1['C']==m2['C']&&m1['T']==m2['T']){
         
          return max(0,count-1);
          
      }
else {return -1;} 
  
}

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