getting NZEC error

general
#1

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

class TWONMS{
public static void main(String ergs[]) throws java.lang.Exception{

		Scanner scannerT=new Scanner(System.in);
		System.out.println(" ");
		int T=scannerT.nextInt();
	while(T-->0){	
		int i;
		for(i=1;i<=T;i++){
			
			int A=0;
			int B=0;
			int N=0;
			
			Scanner scannerA=new Scanner(System.in);
			System.out.println(" ");
			A=scannerA.nextInt();
		
			Scanner scannerB=new Scanner(System.in);
			System.out.println(" ");
			B=scannerB.nextInt();
		
			Scanner scannerN=new Scanner(System.in);
			System.out.println(" ");
			N=scannerN.nextInt();
			
			int max=0,min=0;
			
			int j;
			
			
			for(j=1;j<=N;j++){
				
				if((j%2)==1)
					A*=2;
			else 
					B*=2;
			}
			
			if(A>B){
			
				System.out.println((double)A/B);
			}
			else{
				
				System.out.println((double)B/A);
			}

			
		}
	}
}

}

Can you please tell me how to get rid of the error…

#2

NZEC means “Non zero exit code”. Its essentially saying that your program ran into some error during execution**
https://www.quora.com/CodeChef-runtime-error-NZEC-Can-anyone-help
https://www.codechef.com/wiki/faq#Why_do_I_get_an_NZEC
i comented lines which were causing runtime error–

    /*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package debugothercode;

/**
 *
 * @author Hemant Dhanuka
 */
import java.util.*;
import java.lang.*;

class TWONMS {

    public static void main(String ergs[]) throws java.lang.Exception {

        Scanner scannerT = new Scanner(System.in);
        System.out.println(" ");
        int T = scannerT.nextInt();
        while (T-- > 0) {
            int i;
            for (i = 1; i <= T; i++) {

                int A = 0;
                int B = 0;
                int N = 0;

                //Scanner scannerA=new Scanner(System.in);
                //System.out.println(" ");
                A = scannerT.nextInt();

                //Scanner scannerB=new Scanner(System.in);
                //System.out.println(" ");
                B = scannerT.nextInt();

                //   Scanner scannerN=new Scanner(System.in);
                // System.out.println(" ");
                N = scannerT.nextInt();

                int max = 0, min = 0;

                int j;

                for (j = 1; j <= N; j++) {

                    if ((j % 2) == 1) {
                        A *= 2;
                    } else {
                        B *= 2;
                    }
                }

                if (A > B) {

                    System.out.println((double) A / B);
                } else {

                    System.out.println((double) B / A);
                }

            }
        }
    }
}

Now no NZEC error but Giving wrong answer… so try to correct ur logic and submit it