Class SolutionDay7

java.lang.Object

com.expedient.adventofcodejade.BaseSolution

com.expedient.adventofcodejade.solutions.year2024.SolutionDay7

public class SolutionDay7
extends BaseSolution

Constructor Summary

Constructors

Constructor	Description
SolutionDay7(PuzzleInput input, PuzzleInput sampleInputOne, PuzzleInput sampleInputTwo)

Method Summary

Modifier and Type	Method	Description
static Set<Long>	apply(Set<Long> nums, Long nextOperand, Long target, boolean partTwo)	Takes a set of numbers, and for each number, applies both a multiplication and addition operation on it with the next operand, returning a set containing all the results, given that they're not above the target value
static boolean	checkEquation(Pair<Long,List<Long>> equation, boolean partTwo)	Checks whether the result can be found via any combination of operations on the operands
static List<Pair<Long,List<Long>>>	parseInput(PuzzleInput input)	Reads the input line by line, constructing pairs of Integer results and a List of operands for each
Long	partOne(PuzzleInput input)	Provides the sum of equations that can be found using the given operands
Long	partTwo(PuzzleInput input)	Provides the sum of equations that can be found using the given operands, allowing use of the concatenation operator
static Long	performRepairTask(PuzzleInput input, boolean partTwo)	Finds the sum of all results that can be found via some combination of operations on the numbers provided

Methods inherited from class com.expedient.adventofcodejade.BaseSolution

getInput, run

Methods inherited from class java.lang.Object

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

Constructor Details

SolutionDay7

public SolutionDay7(PuzzleInput input,
 PuzzleInput sampleInputOne,
 PuzzleInput sampleInputTwo)

Method Details

apply

public static Set<Long> apply(Set<Long> nums,
 Long nextOperand,
 Long target,
 boolean partTwo)

Takes a set of numbers, and for each number, applies both a multiplication and addition operation on it with the next operand, returning a set containing all the results, given that they're not above the target value

Parameters:

nums - a set of numbers

nextOperand - the next number to multiply/add to the current numbers

target - the target value that is not to be exceeded

partTwo - whether to include the concatenation operator

Returns:

a set of results that have not exceeded the target value

parseInput

public static List<Pair<Long,List<Long>>> parseInput(PuzzleInput input)

Reads the input line by line, constructing pairs of Integer results and a List of operands for each

Parameters:

input - the PuzzleInput

Returns:

a list of Pairs of results and lists of operands

checkEquation

public static boolean checkEquation(Pair<Long,List<Long>> equation,
 boolean partTwo)

Checks whether the result can be found via any combination of operations on the operands

Parameters:

equation - the result and operands as a pair

partTwo - whether to use the concatenation operator

Returns:

whether the result can be found

performRepairTask

public static Long performRepairTask(PuzzleInput input,
 boolean partTwo)

Finds the sum of all results that can be found via some combination of operations on the numbers provided

Parameters:

input - the PuzzleInput

partTwo - whether to use the Concatenation operator

Returns:

the sum

partOne

public Long partOne(PuzzleInput input)

Provides the sum of equations that can be found using the given operands

Specified by:

partOne in class BaseSolution

Parameters:

input - the PuzzleInput to be used for the solution

Returns:

the sum of valid equations

partTwo

public Long partTwo(PuzzleInput input)

Provides the sum of equations that can be found using the given operands, allowing use of the concatenation operator

Specified by:

partTwo in class BaseSolution

Parameters:

input - the PuzzleInput to be used for the solution

Returns:

the sum of valid equations