a005. Eva 的回家作業 -- POJ | From: [118.171.85.67] | 發表日期 : 2012-03-28 01:29

import java.util.Scanner;

public class a005 {

public static void main (String args[])

{

Scanner cin = new Scanner(System.in);

while(cin.hasNext())

{

int t=cin.nextInt();

if(t>=0 & t<=20)

{

int [][] row = new int [t][5];

for(int j=0;j<=(row.length-1);j++)

{

for(int k=0;k<=(row[j].length-2);k++)

{

row[j][k]=cin.nextInt();

}

}

for(int j=0;j<=row.length-1;j++)

{

if((row[j][3]-row[j][2])==(row[j][2]-row[j][1]) & (row[j][2]-row[j][1])==(row[j][1]-row[j][0]))

{

row[j][4]=row[j][3]+(row[j][3]-row[j][2]);

}

else if((row[j][3]/row[j][2])==(row[j][2]/row[j][1]) & (row[j][2]/row[j][1])==(row[j][1]/row[j][0]))

{

row[j][4]=row[j][3]*(row[j][3]/row[j][2]);

}

}

for(int j=0;j<=(row.length-1);j++)

{

for(int k=0;k<=(row[j].length-1);k++)

{

System.out.print(row[j][k]+" ");

}

}

}

}

}

}