In a bowling game, there are a total of ten pins arranged in four rows, like thi
ID: 3669045 • Letter: I
Question
In a bowling game, there are a total of ten pins arranged in four rows, like this:
*
* *
* * *
* * * *
Note that there's one pin in the first row, two in the second and so on.
Now, suppose that there's a strange alien civilization where they bowl using 8,359 rows of pins. Furthermore, their pins are arranged with one pin in the first row, three in the second and so on.
*
* * *
* * * * *
Write a java program that uses a while loop to compute and display how many total pins there would be in such a game. (All i need is the number of pins, you dont have to display the pin arrangement
Explanation / Answer
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
public static void main (String[] args) throws java.lang.Exception
{
int row = 1;
int total = 0;
while(row<=8359) {
total = total + (2*row -1);
row = row+1;
}
System.out.println("Total number of pins = "+total);
}
}
//answer = 69872881