advent of code solutions

compile

./gradlew clean testClasses

run

./gradlew -PmainClass=com.adventofcode._2019.day._1.fuelcounterupper.FuelCalculatorKt run
./gradlew -PmainClass=com.adventofcode._2019.day._2.intcodecomputer.IntCodeComputerKt run

todo

day 3 why 2 same approaches yield differnt result day 4 char counter daz 6 default equals stackoverflow error on finte small graph (toString hack, remove equals and hashcode too) also algorithm compare day 9 pt 1 soultion correct test incorrect