Ultra fast mathematician wrong code

#1

my code was working fine when i was taking all the inputs on different lines but to take input on same lime i modified my code
but now again its not working fine please tell me the error
the code is

   Scanner scn=new Scanner(System.in);
  String n1= scn.nextLine();
  int n=Integer.parseInt(n1);
   for(int j=0;j<n;j++) {
  String str=scn.nextLine();
  String[] string = str.split("");
  String str1=string[0];
  String str2=string[1];
  String str3="";
  for(int i=0;i<str1.length();i++) {
	  if(str1.charAt(i)==str2.charAt(i))  {
		  
		  str3+='0';
		  
	  }
	  else {
		  str3+='1';
	  }
  }
  System.out.println(str3);
}
#2

Hi @vaibhavgupta.1919,you can also take the input on the same line simply.Either we can take the input on the same line with spaces in between or on the next lines.Both work in the same manner.

#3

Please tell how to take two inputs on same line with space

#4

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