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  1. import java.util.Scanner;
  2. public class Main
  3. {
  4.     public static void main(String[]args)
  5.     {
  6.         Scanner sc=new Scanner(System.in);
  7.  
  8.         int row=sc.nextInt();
  9.         int col=sc.nextInt();
  10.         char a[][]=new char[row][col];
  11.         for(int i=0;i<row;i++)
  12.         {
  13.             for(int j=0;j<col;j++)
  14.             {
  15.                 a[i][j]=sc.next().charAt(0);
  16.             }
  17.         }
  18.  
  19.         StringBuilder sb=new StringBuilder();
  20.         StringBuilder sb1=new StringBuilder();
  21.         int symbol=0;
  22.         for(int i=0;i<col;i++)
  23.         {
  24.             for(int j=0;j<row;j++)
  25.             {
  26.                 char ch=a[j][i];
  27.                 if(Character.isLetterOrDigit(ch) && symbol==0)
  28.                     sb.append(ch);
  29.                 else if(!Character.isLetterOrDigit(ch))
  30.                 {
  31.                     sb1.append(ch);
  32.                     symbol++;
  33.                 }
  34.                 else
  35.                 {
  36.                     sb.append(" "+ch);
  37.                     sb1.setLength(0);
  38.                     symbol=0;
  39.                 }
  40.             }
  41.         }
  42.         sb.append(sb1);
  43.         System.out.println(sb);
  44.     }
  45. }
Success #stdin #stdout 0.21s 59024KB
comments (?)
stdin
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7 3
N U E S @
U G D ^ K
K A D   I
A R Y T N
% $ % H G
# & $ E
Y R I *
stdout
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NSGKDRNU DKIY EU AAT$
https://ideone.com/lDJpJE
language:
Java (HotSpot 12)
created:
2 days ago
visibility:
public

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