kgulshan827/competitive-coding

contain solution of codechef problems

competitive-coding

contain solution of codechef problems problem code is SAKTAN /* package codechef; // don't place package name! */

import java.util.; import java.lang.; import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */ class Codechef {

public static void main (String[] args) throws java.lang.Exception { // your code goes here try {

            Scanner sc=new Scanner(System.in);
	long t;
    t=sc.nextLong();
    for(int k=0;k<t;k++)
    {
        int n=sc.nextInt();
        int m=sc.nextInt();
         int z=sc.nextInt();
        int a[][]=new int[n][m];
        
        int p=0;
        for(int i=0;i<n;i++)
        {
            for(int j=0;j<m;j++)
            {
                a[i][j]=0;
            }
        }
        
           
        
        for(int i=0;i<z;i++)
        {
         int x=sc.nextInt();
         int y=sc.nextInt();
         for(int l=0;l<m;l++)
         {
             a[x-1][l]= a[x-1][l]+1;
         }
       for(int l=0;l<n;l++)
         {
             a[l][y-1]= a[l][y-1]+1;
         }
        }
        for(int i=0;i<n;i++)
        {
            for(int j=0;j<m;j++)
            {
                if(a[i][j]%2==0)
                {
                    p++;
                }
            }
        }
 System.out.println(p);
        
    }
}
catch(NumberFormatException e)
{
System.out.println(e);

}

}}