Package net.n1da.dev.euler

Class PE0028

java.lang.Object

net.n1da.dev.euler.core.Problem

net.n1da.dev.euler.PE0028

All Implemented Interfaces:

Solvable

public class PE0028
extends Problem

Solution for problem 28 "Number spiral diagonals" completed on Thu, 8 Oct 2015, 19:28.

Since:

15.09.2015 19:02:43

Author:

Nico Danneberg

See Also:

Problem @ Project Euler, Solution @ Ni-Da-Net

Field Summary

Fields inherited from class net.n1da.dev.euler.core.Problem

number, title

Constructor Summary

Constructors

Constructor	Description
PE0028()	A simple constructor to set number and title.

Method Summary

Modifier and Type	Method	Description
java.lang.String	solve()	It is not necessary to build the complete matrix.

Methods inherited from class net.n1da.dev.euler.core.Problem

finish, getResult, getRuntime, prepare, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PE0028

public PE0028()

A simple constructor to set number and title.

Method Detail

solve

public java.lang.String solve()

It is not necessary to build the complete matrix. Just jump from one corner to the other and sum the values there.

Returns:

the sum of all values on the diagonals