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  1. import java.math.*;
  2. class M{
  3.   static int c(int n){
  4.     BigInteger p, a = p = BigInteger.TEN.pow(1010).multiply(new BigInteger("2"));
  5.     for(int i = 1; a.compareTo(BigInteger.ZERO) > 0; p = p.add(a)){
  6.       a = a.multiply(new BigInteger(i+"")).divide(new BigInteger((2 * i++ + 1)+""));
  7.     }
  8.     return (p+"").charAt(n) - 48;
  9.   }
  10.  
  11.   public static void main(String[] a){
  12.     System.out.print(c(0)+", ");
  13.     System.out.print(c(1)+", ");
  14.     System.out.print(c(2)+", ");
  15.     System.out.print(c(3)+", ");
  16.     System.out.print(c(4)+", ");
  17.     System.out.print(c(11)+", ");
  18.     System.out.print(c(101)+", ");
  19.     System.out.print(c(600)+", ");
  20.     System.out.print(c(761)+", ");
  21.     System.out.print(c(1001));
  22.   }
  23. }
Success #stdin #stdout 0.12s 711680KB
comments (?)
stdin
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Standard input is empty
stdout
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3, 1, 4, 1, 5, 8, 8, 2, 4, 3
https://ideone.com/30GI5d
language:
Java (12.0.1)
created:
7 years ago
visibility:
public

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