Codingame-Solutions/(Java) 7-Segment Scanner at main · olivvius/Codingame-Solutions · GitHub

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import java.util.*;
import java.io.*;
import java.math.*;

class Solution {

    public static void main(String args[]) {

        Scanner in = new Scanner(System.in);
        String l1 = in.nextLine();
        String l2 = in.nextLine();
        String l3 = in.nextLine();

        String result="";

            for (int i = 0 ; i < l1.length() ; i+=3){

                if( l1.charAt(i+1) ==' ' && l2.charAt(i+1)=='_' ) { result+="4"; }
                else if ( l1.charAt(i+1) ==' ' && l2.charAt(i+1)==' ' )  { result+="1";}
                else if ( l3.charAt(i+1) ==' ' )  { result+="7";}
                else if ( l2.charAt(i+1) ==' ')  { result+="0";}
                else if ( l1.charAt(i) ==' ' && l2.charAt(i+1)=='_' && l3.charAt(i+2)==' ' )  { result+="2";}
                else if ( l3.charAt(i) ==' ' && l2.charAt(i)==' ' && l2.charAt(i+1)=='_' )  { result+="3";}
                else if ( l3.charAt(i) ==' ' && l2.charAt(i)=='|' && l2.charAt(i+1)=='_'&& l2.charAt(i+2)==' ')  { result+="5";}
                else if ( l2.charAt(i+2) ==' ')  { result+="6";}
                else if ( l3.charAt(i) =='|')  { result+="8";}
                else {result+="9";}
        }
    //int result2=Integer.parseInt(result);
    System.out.println(result);
    }
}