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import java.util.Scanner;
import java.math.BigInteger;
class Cseq
{
	public static void main(String []args)
	{
		Scanner jais=new Scanner(System.in);
		int x=100000;
		BigInteger i;
		BigInteger []a = new BigInteger[x];
		a[0]=BigInteger.ONE;
		for(i=BigInteger.ONE;i.compareTo(BigInteger.valueOf(x))<=0;i=i.add(BigInteger.ONE))
		{
			a[i]=a[(i.subtract(BigInteger.ONE))].multiply(i);
		}
		int t=jais.nextInt();
		while(t--!=0)
		{
		BigInteger n=jais.nextBigInteger();
		BigInteger p=jais.nextBigInteger();
		BigInteger q=jais.nextBigInteger();
		BigInteger v=(q.subtract(p)).add(BigInteger.ONE);
		BigInteger j;
		BigInteger sum=BigInteger.ZERO;
		for(j=BigInteger.ONE;j.compareTo(n)<=0;j=j.add(BigInteger.ONE))
		{
			sum=sum.add(a[v].divide(a[(v.subtract(j))].multiply(a[j])));
			sum=sum.add(v);
		}
		sum=sum.subtract(v);
		System.out.println(sum);
		}
		jais.close();
	}
}

Main.java:14: error: incompatible types: BigInteger cannot be converted to int
			a[i]=a[(i.subtract(BigInteger.ONE))].multiply(i);
			  ^
Main.java:14: error: incompatible types: BigInteger cannot be converted to int
			a[i]=a[(i.subtract(BigInteger.ONE))].multiply(i);
			                  ^
Main.java:27: error: incompatible types: BigInteger cannot be converted to int
			sum=sum.add(a[v].divide(a[(v.subtract(j))].multiply(a[j])));
			              ^
Main.java:27: error: incompatible types: BigInteger cannot be converted to int
			sum=sum.add(a[v].divide(a[(v.subtract(j))].multiply(a[j])));
			                                                      ^
Main.java:27: error: incompatible types: BigInteger cannot be converted to int
			sum=sum.add(a[v].divide(a[(v.subtract(j))].multiply(a[j])));
			                                     ^
5 errors

Standard output is empty