Latest self Aptitude Question SOLUTION: WAP to calculate x = (b-1)! - (b-2)!....-(b-a)!

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WAP to calculate x = (b-1)! - (b-2)!....-(b-a)!

divs (10 years ago)

Unsolved Read Solution (3)

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shobhit saxena  (10 years ago)

import java.util.Scanner;

class Factorial
{
public static void main(String args[])
{
int a, c, fact = 1;

System.out.println("Enter an integer to calculate it's factorial");
Scanner in = new Scanner(System.in);

a = in.nextInt();

if ( a < 0 )
System.out.println("Number should be non-negative.");
else
{
for ( c = 1 ; c

Is this solution Helpfull? Yes (2) | No (1)  

Divya  (10 years ago)

int main()
{ int i,num,fact;
scanf("%d",&num);
fact=1;
if(num==0)
{ fact=1; }
else {
for(i=1;i

Is this solution Helpfull? Yes (1) | No   

divs  (10 years ago)

class sFact
{ void fact(int b)
{ int f=1,i,j,y=0 ;


for(j=b-1;j>=1;j--)
{
f = 1;
for(i=j;i>=1;i--)
{
f = f*i;
}

y = y-f ;
if (y

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