difficulty.txt

  - 37 - 2.1 - 2 - accumulate
  - 66 - 2.4 - 2 - acronym
  - 29 - 4.3 - 5 - affine-cipher
  - 59 - 3.9 - 5 - all-your-base
  - 65 - 3.3 - 3 - allergies
  - 20 - 6.6 - 5 - alphametics
  - 65 - 3.2 - 4 - anagram
  - 63 - 2.1 - 2 - armstrong-numbers
  - 58 - 3.5 - 5 - atbash-cipher
X -  1 - 4.0 - 4 - automated-readability-index
  - 29 - 4.5 - 3 - bank-account
X -  1 - 4.0 - 4 - basics-monitor-rush
X -  1 - 4.0 - 4 - basics-transformation-csv
X -  1 - 4.0 - 4 - basics-transformation-json
X -  1 - 4.0 - 4 - basics-transformation-xml
  - 39 - 3.6 - 3 - beer-song
  - 33 - 1.7 - 1 - binary
  - 62 - 3.1 - 2 - binary-search
  - 32 - 4.8 - 1 - binary-search-tree
  - 64 - 2.5 - 3 - bob
  - 26 - 5.9 - 7 - book-store
  - 17 - 3.1 - 3 - bottle-song
  - 31 - 5.8 - 8 - bowling
X -  1 - 2.0 - 2 - calculator-service
  - 29 - 5.7 - 5 - change
X -  1 - 1.0 - 1 - cheryls-birthday
  - 45 - 5.0 - 8 - circular-buffer
  - 45 - 3.4 - 4 - clock
  - 66 - 2.1 - 2 - collatz-conjecture
  - 26 - 4.6 - 3 - complex-numbers
  - 20 - 6.9 - 7 - connect
C -  1 - 1.0 - 1 - counter
  - 42 - 4.3 - 1 - crypto-square
  - 28 - 5.0 - 4 - custom-set
X -  1 - 1.0 - 1 - custom-signs
  - 59 - 2.0 - 1 - darts
X -  1 - 4.0 - 4 - database-employee-onboarding
X -  1 - 4.0 - 4 - database-large-expenses
X -  1 - 4.0 - 4 - database-payment-audit
X -  1 - 4.0 - 4 - database-payment-batches
X -  1 - 7.0 - 7 - decimal
  - 45 - 3.8 - 5 - diamond
X -  1 - 1.0 - 1 - die
  - 68 - 1.8 - 2 - difference-of-squares
  - 14 - 4.6 - 3 - diffie-hellman
  - 42 - 2.7 - 3 - dnd-character
  - 22 - 6.3 - 8 - dominoes
C -  7 - 5.6 - 5 - dot-dsl
X -  1 - 10.0 - 10 - doubly-linked-list
X -  1 - 1.0 - 1 - echo-service
  - 46 - 2.4 - 3 - eliuds-eggs
X -  1 - 1.0 - 1 - elyses-enchantments
C - 10 - 3.0 - 4 - error-handling
  - 55 - 2.7 - 2 - etl
X -  1 - 1.0 - 1 - fizz-buzz
X -  1 - 7.0 - 7 - fizzy
  - 33 - 3.2 - 3 - flatten-array
X -  1 - 1.0 - 1 - floored
  - 30 - 4.3 - 5 - food-chain
  - 25 - 7.8 - 7 - forth
X -  1 - 4.0 - 4 - freelancer-rates
  - 12 - 5.2 - 7 - game-of-life
X -  1 - 1.0 - 1 - garden-party
  - 51 - 1.9 - 4 - gigasecond
X -  1 - 8.0 - 8 - gilded-rose
  - 10 - 7.7 - 8 - go-counting
  - 43 - 3.6 - 5 - grade-school
  - 64 - 2.2 - 2 - grains
X -  1 - 1.0 - 1 - greeting-service
  - 16 - 5.1 - 4 - grep
  - 67 - 1.9 - 2 - hamming
C -  7 - 7.3 - 8 - hangman
  - 71 - 1.1 - 1 - hello-world
X -  1 - 1.0 - 1 - hello-world-service
C - 19 - 1.7 - 1 - hexadecimal
  - 38 - 2.4 - 2 - high-scores
  - 24 - 3.1 - 4 - house
X -  1 - 4.0 - 4 - http-billion-dollar-question
X -  1 - 4.0 - 4 - http-cake-is-a-lie
X -  1 - 4.0 - 4 - http-salary-converter
  - 43 - 3.1 - 3 - isbn-verifier
  - 65 - 2.3 - 2 - isogram
X -  1 - 1.0 - 1 - itab-aggregation
X -  1 - 1.0 - 1 - itab-basics
X -  1 - 1.0 - 1 - itab-combination
X -  1 - 1.0 - 1 - itab-nesting
  - 13 - 3.8 - 4 - killer-sudoku-helper
  - 41 - 3.4 - 5 - kindergarten-garden
  - 37 - 5.8 - 6 - knapsack
  - 53 - 3.8 - 7 - largest-series-product
  - 71 - 1.3 - 1 - leap
  -  9 - 5.0 - 5 - ledger
X -  1 - 2.0 - 2 - legacy-service-client
C -  4 - 8.5 - 9 - lens-person
  - 33 - 5.0 - 5 - linked-list
  - 46 - 4.0 - 3 - list-ops
X -  1 - 2.0 - 2 - lucians-luscious-lasagna
  - 60 - 3.8 - 4 - luhn
X -  1 - 4.0 - 4 - luhn-from
X -  1 - 4.0 - 4 - luhn-trait
X -  1 - 10.0 - 10 - macros
X -  1 - 4.0 - 4 - majority-element
  - 13 - 5.0 - 6 - markdown
X -  1 - 3.0 - 3 - mask-credit-card
  - 59 - 4.0 - 5 - matching-brackets
  - 37 - 3.2 - 4 - matrix
X -  2 - 8.0 - 8 - mazy-mice
  - 42 - 4.5 - 1 - meetup
  -  7 - 2.0 - 2 - micro-blog
X -  1 - 2.0 - 2 - microwave
  - 42 - 5.3 - 8 - minesweeper
  - 45 - 3.6 - 1 - nth-prime
C -  1 - 1.0 - 1 - nucleotide-codons
  - 59 - 2.6 - 2 - nucleotide-count
  - 25 - 5.0 - 6 - ocr-numbers
C - 14 - 1.9 - 1 - octal
X -  1 - 3.0 - 3 - order-management
X -  1 - 2.0 - 2 - ordinal-number
C -  3 - 5.0 - 4 - paasio
  - 28 - 5.4 - 6 - palindrome-products
  - 65 - 2.1 - 2 - pangram
  - 23 - 5.4 - 7 - parallel-letter-frequency
  - 49 - 3.7 - 4 - pascals-triangle
  - 51 - 2.7 - 2 - perfect-numbers
  - 55 - 3.1 - 5 - phone-number
  - 45 - 4.3 - 3 - pig-latin
C -  4 - 1.5 - 1 - point-mutations
  - 20 - 6.7 - 8 - poker
  - 13 - 8.8 - 9 - pov
  - 46 - 3.1 - 1 - prime-factors
X -  1 - 6.0 - 6 - promises
  - 58 - 3.0 - 2 - protein-translation
  - 35 - 2.7 - 2 - proverb
  - 36 - 4.6 - 3 - pythagorean-triplet
X -  1 - 5.0 - 5 - pythagorean-triplets
  - 51 - 3.2 - 4 - queen-attack
  - 26 - 5.2 - 4 - rail-fence-cipher
  - 70 - 1.9 - 2 - raindrops
  - 22 - 4.7 - 5 - rational-numbers
  - 17 - 8.4 - 8 - react
  - 20 - 6.2 - 7 - rectangles
  - 48 - 1.5 - 1 - resistor-color
  - 45 - 1.9 - 1 - resistor-color-duo
X -  3 - 1.7 - 2 - resistor-color-expert
  - 30 - 2.5 - 3 - resistor-color-trio
  - 10 - 6.0 - 7 - rest-api
  - 63 - 1.6 - 1 - reverse-string
  - 69 - 1.8 - 1 - rna-transcription
C - 36 - 3.8 - 6 - robot-name
  - 51 - 3.9 - 5 - robot-simulator
  - 67 - 3.5 - 4 - roman-numerals
  - 54 - 3.2 - 4 - rotational-cipher
  - 50 - 3.8 - 4 - run-length-encoding
  - 33 - 3.5 - 1 - saddle-points
  - 13 - 5.8 - 7 - satellite
  - 37 - 5.2 - 5 - say
  - 17 - 4.0 - 4 - scale-generator
  - 63 - 2.5 - 2 - scrabble-score
  - 59 - 2.7 - 3 - secret-handshake
X -  1 - 2.0 - 2 - semi-structured-logs
  - 44 - 2.8 - 2 - series
X -  1 - 7.0 - 7 - service-composition
X -  1 - 1.0 - 1 - service-invocation
  - 11 - 7.5 - 9 - sgf-parsing
  - 61 - 3.4 - 2 - sieve
  - 27 - 4.5 - 1 - simple-cipher
C - 25 - 4.4 - 5 - simple-linked-list
  - 64 - 1.9 - 2 - space-age
  - 42 - 4.5 - 4 - spiral-matrix
  - 33 - 2.6 - 2 - square-root
  - 11 - 4.6 - 5 - state-of-tic-tac-toe
  - 40 - 2.4 - 3 - strain
X -  1 - 5.0 - 5 - stream-ops
  - 40 - 3.7 - 6 - sublist
  - 55 - 2.2 - 1 - sum-of-multiples
  - 23 - 4.7 - 3 - tournament
  - 28 - 4.3 - 5 - transpose
C -  7 - 4.9 - 4 - tree-building
  - 64 - 2.3 - 2 - triangle
  - 23 - 1.8 - 1 - trinary
  - 26 - 3.1 - 1 - twelve-days
  - 32 - 6.2 - 6 - two-bucket
  - 65 - 1.2 - 1 - two-fer
  - 23 - 5.5 - 6 - variable-length-quantity
X -  1 - 1.0 - 1 - vehicle-purchase
  - 55 - 3.3 - 2 - word-count
  - 14 - 6.3 - 7 - word-search
  - 33 - 5.2 - 5 - wordy
X -  1 - 10.0 - 10 - xorcism
  - 49 - 3.6 - 3 - yacht
  - 30 - 7.1 - 8 - zebra-puzzle
  - 17 - 8.4 - 8 - zipper