CODE CHEF --- easy practice program small factorial(NEED HELP TO CORRECT CODE)

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Achyut Rastogi

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Oct 3, 2012, 1:36:57 PM10/3/12
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You are asked to calculate factorials of some small positive integers.

Input

An integer t, 1<=t<=100, denoting the number of testcases, followed by t lines, each containing a single integer n, 1<=n<=100.

Output

For each integer n given at input, display a line with the value of n!

Example

Sample input:
4
1
2
5
3

Sample output:

1
2
120
6



//THE end digits are correct in the answer this gives but no. of zeros is not 24 at the end?!!

#include<stdio.h>
#include<stdlib.h>

void main()
{

int big[160];
int l,prod=0,store=0,carry=0,k,s,
i;
//int storer[160];

//to assigne null value to every element of the set

for(i=0;i<=160;i++)
{
big[i]=0;
}

big[0]=1;

printf("enter small\n");
scanf("%d",&s);


int j=1;
while(j<=s)
{

prod=0,store=0,carry=0,k;
i=0;



//to calculate the product and store it

do
{
//if(big[i]!=0) - seems like an unecessary condition
prod=big[i]*j;

prod=prod+carry;
store=prod%10;
carry=prod/10;
big[i]=store;

i++;
}while(i<l);
l=i+2;
if(big[l]==0){l=l-1;}     //new condition added
j++;

}

//to pint the answer array

for(k=i;k>=0;k--)
{
printf("%d",big[k]);
}

getch();
}      //THE END










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