Submission #1142119

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142119		samia	Mutating DNA (IOI21_dna)	C++20	Compilation error	0 ms	0 KiB

dna

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

using namespace std;
string A,B;
void init(string a, string b) {
    A=a;
    m['A']=0;
    m['B']=0;
    B=b;
}

int get_distance(int x, int y) {
  int ans;
  map<char,int>m;
    map<char,int>m1;
     int f[A.size()];
      f[0]=0;
 for(int so=0;so<A.size();so++){f[so]=0;}
     
      for(int so=0;so<A.size();so++){
          m[A[so]]+=1;
          m1[B[so]]+=1;
          if(so!=0){f[so]=f[so-1];}
          if(A[so]!=B[so]){f[so]+=1;}
      }
      if(m['A']==m1['A']&&m['T']==m1['T']){ return f[y]-f[x];}
      else {return -1;}
  
}

Compilation message (stderr)

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:8:5: error: 'm' was not declared in this scope
    8 |     m['A']=0;
      |     ^