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  1. Prepare
  2. Tutorials
  3. 30 Days of Code
  4. Day 6: Let's Review
  5. Discussions

Day 6: Let's Review

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3419 Discussions

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  • hargun3896
     + 0 comments

    Interesting approach using streams in Java:

    import java.io.; import java.util.; import java.util.stream.IntStream; import java.util.stream.Collectors;

    public class Solution {

    public static void main(String[] args) {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner sc = new Scanner(System.in);
int test = sc.nextInt();
while(test > 0 ) {
    String text = sc.next();
    String evenString = IntStream.range(0, text.length())
    .filter(i -> i%2==0)
    .mapToObj(i -> String.valueOf(text.charAt(i)))
    .collect(Collectors.joining());

    String oddString = IntStream.range(0, text.length())
    .filter(i -> i%2 != 0)
    .mapToObj(i -> String.valueOf(text.charAt(i)))
    .collect(Collectors.joining());

    System.out.println(evenString +" " + oddString);
    test--;
}
sc.close();
}

    }

  • sharanyarao1977
     + 0 comments

    int main() { /* Enter your code here. Read input from STDIN. Print output to STDOUT */ 

    int testCase;
string Teststring;
cin>>testCase;



for(int i=0;i<testCase;i++){
    string oddString="";
    string evenString="";     

    cin>>Teststring;
    int len=Teststring.length();

int j=0;
    while(j!=len){

        if(j%2==0){
            evenString=evenString+Teststring[j];


        }
        else{
            oddString=oddString+Teststring[j];
        }
        j++;
    }
    cout<<evenString<<" "<<oddString<<endl;


}




return 0;

    }

  • paweethera
     + 0 comments
    T = int(input())  # Number of test cases

for _ in range(T):
    s = input()
    even = s[0::2]
    odd = s[1::2]
    print(even,odd,sep=" ")

  • diyadavidpnc
     + 0 comments

    Java Solution

    public class Solution {

public static void main(String[] args) {
   Scanner sc = new Scanner(System.in);
   int n = sc.nextInt();
   sc.nextLine();

   for(int i=0;i<n;i++){
    String s = sc.nextLine();
    String oddString="";
    for(int j =0 ;j<s.length();j++){
        if(j % 2 == 0)
            System.out.print(s.charAt(j));
        else
            oddString+=s.charAt(j);
    }
    System.out.println(" "+oddString);
   }
}

    }

  • oguzhn_dgd
     + 0 comments

    My js answer :

    function processData(input) {

    const lines = input.split('\n')
const t = parseInt(lines[0])


for(let i = 1; i<= t; i++){
    let even = "";
    let odd = "";

    for(let k = 0; k < lines[i].length ; k++){
        if(k % 2 === 0){
            even += lines[i][k];
        }
        if(k % 2 === 1){
            odd += lines[i][k];
        }
    }    


     console.log(even + " " + odd);
}

    }