Poj Solution 1243

http://poj.org/problem?id=1243

/* @author:zeropinzuo */
import java.util.*;

public class Main{
 static Scanner cin;
 static int Case = 0;
 static int[][] result;
 public static void main(String args[]){
  cin = new Scanner(System.in);
    
  result = new int[100][100];
  int i,j;
  for(i = 0;i < 100;i++)
   for(j = 0;j < 100;j++)
     if(i == 1)
    result[i][j] = 1;
     else if(j == 0)
    result[i][j] = i;
     else
    result[i][j] = 0;
        
        
     while(true){
    if(!work(cin.nextInt(),cin.nextInt()))
      break;
     }
        
    return;
  }
    
  static boolean work(int m,int n){
   if((m == 0)&&(n == 0))
     return false;
        
   Case++;
   System.out.println("Case "+Case+": "+compute(m,n));
   return true;
  }
    
 static int compute(int m,int n){
    if(result[m][n] != 0)
    return result[m][n];
        
    result[m][n] = compute(m-1,n-1)+compute(m-1,n)+1;
    return result[m][n];
        
  }
}
											
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