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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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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

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Solutions to all 17 Codility lessons in data structures and algorithms.

codility.com/programmers/lessons

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