Submission #1142035

#	Time	Username	Problem	Language	Result	Execution time	Memory
1142035		redacode	Mutating DNA (IOI21_dna)	C++20	Compilation error	0 ms	0 KiB

dna

#include<bits/stdc++.h>
using namespace std;
string k,d;
void init(std::string a, std::string b) {
	k=a,d=b;
}

int get_distance(int x, int y) {
		string ax="";
        string bx="";
        int freq1[3]={0,0,0};
        int freq2[3]={0,0,0};
        for(int i=x;i<=y;i++){
            ax+=k[i];
            if(k[i]=='A')freq1[0]++;
            if(k[i]=='B')freq1[1]++;
            if(k[i]=='C')freq1[2]++;
            bx+=d[i];
            if(d[i]=='A')freq2[0]++;
            if(d[i]=='B')freq2[1]++;
            if(d[i]=='C')freq2[2]++;
        }
        if(freq1[0]!=freq2[0] or freq1[1]!=freq2[1] or freq1[2]!=freq2[2]){
            return -1;
        }
        if(y-x==2){
            //cout << ax << " " << bx;
            if(freq1[0]!=freq2[0] or freq1[1]!=freq2[1] or freq1[2]!=freq2[2]){
                return -1;
            }
            if(ax==bx){
                return 0;
            }else if((ax[0]==bx[1] and ax[1]==bx[0]) or (ax[2]==bx[1] and ax[1]==bx[2])){
                return 1;
            }else if(ax[0]==bx[2] and ax[2]==bx[0] and ax[1]!=bx[1]){
                return 3;
            }else{
                return 2;
            }
        }else if(y-x==1){
            if(freq1[0]!=freq2[0] or freq1[1]!=freq2[1]){
                return -1;
            }
            if(ax==bx){
                return 0;
            }else{
                return 1;
            }
        }else{
            return 1;
        }
    
}



int main() {
  int n,q;
  cin>>n>>q;
  string a,b;
  cin>>a>>b;
  init(a,b);
  while(q--){
      int x,y;
      cin>>x>>y;
      cout<<get_distance(x,y)<<endl;
  }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccjliGCX.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccD5uuCy.o:dna.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status