Nine degrees OJ topic 1076:n's factorial (Java) uses the BigInteger example.

Title Description:

Enter a positive integer n to output the factorial of N.

Input:

Positive integer N (0<=n<=1000)

Output:

Input may include multiple sets of data, for each set of input data, the factorial of the output n

Sample input:

4515

Sample output:

241201307674368000

1  PackageA;2 ImportJava.math.BigInteger;3 ImportJava.util.*;4  Public classmain{5      Public Static  voidMain (string[] args) {6Scanner cin =NewScanner (system.in); 7          while(Cin.hasnext ()) {8 BigInteger B1;9BigInteger b2=Biginteger.one;TenBigInteger b3=Biginteger.one; Oneb1=Cin.nextbiginteger (); A              while(B1.compareto (Biginteger.zero) >0) -             { -B2=b2.multiply (B1); theb1=B1.subtract (B3);  -             }             - System.out.println (b2.tostring ()); -      } + Cin.close ();  -     }   +}

Nine degrees OJ topic 1076:n's factorial (Java) uses the BigInteger example.