Codeforces-solution/245B-InternetAddress.cpp at master · nikzsaz/Codeforces-solution · GitHub

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#include <iostream>
using namespace std;

int main() {
	string s;
	cin>>s;
	int flag=1;
	int flag1=1;
	int flag2=1;
	for(int i=0;i<s.size();i++){
	    if(s[i]=='h' && s[i+1]=='t' && s[i+2]=='t' && s[i+3]=='p' && flag1==1){
	        flag1=0;
	        flag2=0;
	        cout<<s[i]<<s[i+1]<<s[i+2]<<s[i+3]<<"://";
	        i+=3;
	    }
	  else if(s[i]=='f' && s[i+1]=='t' && s[i+2]=='p' && flag2==1){
	        flag2=0;
	        flag1=0;
	        cout<<s[i]<<s[i+1]<<s[i+2]<<"://";
	        i+=2;
	    }
	   else if(s[i]=='r' && s[i+1]=='u' && flag==1 && i>4){
	        flag=0;
	        cout<<"."<<s[i]<<s[i+1];
	        if((i+2)<s.size()){
	            cout<<"/";
	        }
	        i+=1;
	    }
	    else if(s[0]=='f' && s[i]=='r' && s[i+1]=='u' && flag==1 && i>3 ){
	        flag=0;
	        cout<<"."<<s[i]<<s[i+1];
	        if((i+2)<s.size()){
	            cout<<"/";
	        }
	        i+=1;
	    }
	    else{
	        cout<<s[i];
	    }
	}
	return 0;
}