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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		int N=5;
  13.  
  14.   float fory[]=new float[N+1];
  15.   float forx[]=new float[N+1];
  16.   forx[N]=1;
  17.  
  18.   for(int i=0;i<N;i++){
  19.     int tempJ=1;
  20.     if(i>0){
  21.       for(int j=i+1;j>0;j--){
  22.         tempJ=tempJ*j;
  23.       }
  24.       forx[i]=forx[i]+(tempJ);
  25.     }
  26.     else
  27.       forx[0]=1;	
  28.   }
  29.   for(int i=0;i<N;i++){
  30.     fory[i]=0;
  31.     if(i==0){
  32.       fory[i]=1;
  33.     }else if(i%2==0){
  34.       fory[i]=fory[i]-(1.0f/forx[i]);
  35.     }else if(i%2==1){
  36.       fory[i]=fory[i]+(1.0f/forx[i]);
  37.     }
  38.   }
  39.   for(int i=0;i<N;i++){
  40.     forx[N]=forx[N]*(i+1);
  41.     if(i!=0)
  42.       fory[N]=fory[N]+fory[i];
  43.   }
  44.   N = Math.round(forx[N]*fory[N]);
  45.   System.out.println(N);
  46. 	}
  47. }
Success #stdin #stdout 0.11s 320576KB
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https://ideone.com/AaTLLH
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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