Sudeep Kumar Das

Searching for an element x in a matrix.

Java Basic Codes

Explanation

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import java.util.*;

 

public class TwoDArrays {

   public static void main(String args[]) {

       Scanner sc = new Scanner(System.in);

       int rows = sc.nextInt();

       int cols = sc.nextInt();

 

       int[][] numbers = new int[rows][cols];

 

       //input

       //rows

       for(int i=0; i

           //columns

           for(int j=0; j

               numbers[i][j] = sc.nextInt();

           }

       }

 

       int x = sc.nextInt();

 

       for(int i=0; i

           for(int j=0; j

               //compare with x

               if(numbers[i][j] == x) {

                   System.out.println("x found at location (" + i + ", " + j + ")");

               }

           }

       }

  }

}



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