package com.chamago.bison.util;
import java.io.PrintStream;
public class MathUtil
{
public static final int ub(byte b)
{
return b < 0 ? 256 + b : b;
}
public static int toInt(String s)
{
return toInt(s, 10);
}
public static int toInt(String s, int radix)
{
try
{
return Integer.parseInt(s, radix); } catch (Exception e) {
}
return 0;
}
public static double toDouble(String s)
{
try
{
return Double.parseDouble(s); } catch (Exception e) {
}
return 0.0D;
}
public static float toFloat(String s)
{
try
{
return Float.parseFloat(s); } catch (Exception e) {
}
return 0.0F;
}
public static long toLong(String s)
{
try
{
return Long.parseLong(s); } catch (Exception e) {
}
return 0L;
}
public static short toShort(String s)
{
try
{
return Short.parseShort(s); } catch (Exception e) {
}
return 0;
}
public static boolean toBoolean(String s)
{
try
{
Boolean obj = new Boolean(s);
return obj.booleanValue(); } catch (Exception e) {
}
return false;
}
public static byte toByte(String s)
{
try {
return Byte.parseByte(s); } catch (Exception e) {
}
return 0;
}
public static int C(int m, int n)
{
if ((n < 0) || (m < 0) || (n < m)) {
return 0;
}
if (m == n) {
return 1;
}
int i = 0;
long result = 1L;
if (n < 2 * m) {
m = n - m;
}
for (i = n; i >= n - m + 1; i--) {
result *= i;
}
for (i = m; i >= 2; i--) {
result /= i;
}
return (int)result;
}
public static void main(String[] args) {
System.out.println(C(0, 11));
}
}