Codility solutions

Solutions to all 17 lessons from Codility, on data structures and algorithms. Many companies use Codility's timed coding challenges to screen software engineers.

By Raymond Gan

Name		Name	Last commit message	Last commit date
Latest commit History 73 Commits
lessons		lessons
.gitignore		.gitignore
.rspec		.rspec
01-1-binary_gap.rb		01-1-binary_gap.rb
02-1-cyclic_rotation.js		02-1-cyclic_rotation.js
02-2-odd_occurrences_in_array.rb		02-2-odd_occurrences_in_array.rb
03-1-tape_equilibrium.rb		03-1-tape_equilibrium.rb
03-2-frog_jump.rb		03-2-frog_jump.rb
03-3-perm_missing_elem.rb		03-3-perm_missing_elem.rb
04-1-perm_check.rb		04-1-perm_check.rb
04-2-frog_river_one.rb		04-2-frog_river_one.rb
04-3-missing_integer.js		04-3-missing_integer.js
04-3-missing_integer.rb		04-3-missing_integer.rb
04-4-max_counters.rb		04-4-max_counters.rb
05-1-count_div.rb		05-1-count_div.rb
05-2-passing_cars.rb		05-2-passing_cars.rb
05-3-genomic_range_query.rb		05-3-genomic_range_query.rb
05-4-min_avg_2_slice.rb		05-4-min_avg_2_slice.rb
06-1-distinct.rb		06-1-distinct.rb
06-2-triangle.rb		06-2-triangle.rb
06-3-max_product_of_3.rb		06-3-max_product_of_3.rb
06-4-disc_intersections.rb		06-4-disc_intersections.rb
07-1-brackets_spec.rb		07-1-brackets_spec.rb
07-2-fish.rb		07-2-fish.rb
07-3-stonewall.rb		07-3-stonewall.rb
07-4-nesting.rb		07-4-nesting.rb
08-1-dominator.rb		08-1-dominator.rb
08-2-equi_leader.rb		08-2-equi_leader.rb
09-1-max_slice_sum.rb		09-1-max_slice_sum.rb
09-2-max_double_slice_sum.rb		09-2-max_double_slice_sum.rb
09-3-max_profit.rb		09-3-max_profit.rb
10-1-count_factors.rb		10-1-count_factors.rb
10-2-min_perimeter_rectangle.rb		10-2-min_perimeter_rectangle.rb
10-3-peaks.rb		10-3-peaks.rb
10-4-flags.rb		10-4-flags.rb
11-1-count_semiprimes.rb		11-1-count_semiprimes.rb
11-2-count_not_divisible.rb		11-2-count_not_divisible.rb
12-1-chocolates_by_numbers.rb		12-1-chocolates_by_numbers.rb
12-2-common_prime_divisors.rb		12-2-common_prime_divisors.rb
13-1-ladder.rb		13-1-ladder.rb
13-2-frog.rb		13-2-frog.rb
14-1-nailing_planks.rb		14-1-nailing_planks.rb
14-2-min_max_division.rb		14-2-min_max_division.rb
15-1-abs_distinct.rb		15-1-abs_distinct.rb
15-2-count_triangles.rb		15-2-count_triangles.rb
15-3-count_distinct_slices.rb		15-3-count_distinct_slices.rb
16-1-max_nonoverlapping_segments.rb		16-1-max_nonoverlapping_segments.rb
16-2-tie_ropes.rb		16-2-tie_ropes.rb
17-1-number_solitaire.rb		17-1-number_solitaire.rb
17-2-min_abs_sum_spec.rb		17-2-min_abs_sum_spec.rb
99-1-sql_sum.sql		99-1-sql_sum.sql
99-2-str_symmetry_point.rb		99-2-str_symmetry_point.rb
99-3-tree_height.rb		99-3-tree_height.rb
Gemfile		Gemfile
Gemfile.lock		Gemfile.lock
README.md		README.md
autocomplete.rb		autocomplete.rb
binary_search.rb		binary_search.rb
caterpillar_method.rb		caterpillar_method.rb
counting_sort.rb		counting_sort.rb
dynamic_coin_change.rb		dynamic_coin_change.rb
equi.rb		equi.rb
fibonacci.rb		fibonacci.rb
gcd.rb		gcd.rb
google_interview.rb		google_interview.rb
greedy_coins_and_canoes.rb		greedy_coins_and_canoes.rb
grocery_store.rb		grocery_store.rb
leader.rb		leader.rb
max_slice.rb		max_slice.rb
merge_sort.rb		merge_sort.rb
permutation.rb		permutation.rb
prefix_sums.rb		prefix_sums.rb
prime_numbers.rb		prime_numbers.rb
sieve_of_eratosthenes.rb		sieve_of_eratosthenes.rb
solution-flags.pdf		solution-flags.pdf
subset_sum.rb		subset_sum.rb

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