Submission #1142574

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142574		sam12345678910112	Mutating DNA (IOI21_dna)	C++20	Compilation error	0 ms	0 KiB

dna

 #include<bits/stdc++.h>
using namespace std;
# define ll long long
string A ,B;
int f[100003];
int fra[100003];
int frt[100003];
int fra2[100003];
int frt2[100003];
void init(string a, string b){
    string A=a;
    string B=b;
    for(int so=0;so<A.size();so++){
        f[so]=0;
        if(so!=0){f[so]+=f[so];
           if(A[so]=='T'){frt[so]=0;frt[so]+=1+frt[so-1];}
          if(A[so]=='A'){fra[so]=0;fra[so]+=1+fra[so-1,];}
           if(B[so]=='T'){frt2[so]=0;frt2[so]+=1+frt2[so];}
          if(B[so]=='A'){fra2[so]=0;fra2[so]+=1+fra2[so-1,0];}
        }
        
        else {
           if(A[so]=='T'){frt[so]=0;frt[so]+=1;}
          if(A[so]=='A'){fra[so]=0;fra[so]+=1;}
           if(B[so]=='T'){frt2[so]=0;frt2[so]+=1;}
          if(B[so]=='A'){fra2[so]=0;fra2[so]+=1;}
        }
        if(A[so]!=B[so]){ f[so]+=1;}
       
    }
}
int get_distance(int x, int y){
    if(frt[y]-frt[x]==frt2[y]-frt2[x]&&fra[y]-fra[x]==fra2[y]-fra2[x]){return f[y]-f[x];}
    else{ return -1;}
}

Compilation message (stderr)

dna.cpp: In function 'void init(std::string, std::string)':
dna.cpp:17:55: warning: top-level comma expression in array subscript is deprecated [-Wcomma-subscript]
   17 |           if(A[so]=='A'){fra[so]=0;fra[so]+=1+fra[so-1,];}
      |                                                       ^
dna.cpp:17:56: error: expected primary-expression before ']' token
   17 |           if(A[so]=='A'){fra[so]=0;fra[so]+=1+fra[so-1,];}
      |                                                        ^
dna.cpp:19:58: warning: top-level comma expression in array subscript is deprecated [-Wcomma-subscript]
   19 |           if(B[so]=='A'){fra2[so]=0;fra2[so]+=1+fra2[so-1,0];}
      |                                                          ^