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My solutions to Codewars challenges - programmed in Pascal.

Blaise Pascal Niklaus Wirth Powered By Lazarus
Blaise Pascal Niklaus Wirth Lazarus IDE

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A word of warning

If you really want to learn Pascal and improve through the challenges, don't just copy my solutions. You won't learn anything that way! (Cheating and plagiarizing is not permitted on the Codewars website. Violators will face account suspension or ban.)

My solutions to some Codewars challenges, programmed in Pascal, might not be the most sophisticated, but at least mostly easy to read and understand.

Current Pascal rank (since March 31, 2026): 4 kyu.

On May 5, 2026, I solved all Pascal challenges that existed on Codewars at that time.

See also:

!! Security Notice !!

The code I released here into the public domain may appear in third-party projects. I do not maintain, endorse, or have any affiliation with such projects. Any malicious or deceptive use is unauthorized and should be reported to the hosting platform.

List of all challenges I solved in Pascal

  1. <2 kyu> Evaluate mathematical expression - Solution: eval_math_expression_unit.pas
  2. <4 kyu> Getting along with Integer Partitions - Solution: integer_partitions_unit.pas
  3. <4 kyu> Magnet particules in boxes - Solution: magnet_particules_unit.pas
  4. <4 kyu> Matrix Determinant - Solution: matrix_determinant_unit.pas
  5. <4 kyu> Strings Mix - Solution: strings_mix_unit.pas
  6. <4 kyu> Sum by Factors - Solution: sum_by_factors_unit.pas
  7. <4 kyu> Twice linear - Solution: twice_linear_unit.pas
  8. <5 kyu> Best travel - Solution: best_travel_unit.pas
  9. <5 kyu> Buddy Pairs - Solution: buddy_pairs_unit.pas
  10. <5 kyu> Closest and Smallest - Solution: closest_and_smallest_unit.pas
  11. <5 kyu> Common Denominators - Solution: common_denominators_unit.pas
  12. <5 kyu> Consecutive k-Primes - Solution: consecutive_k_primes_unit.pas
  13. <5 kyu> Decimal to Factorial and Back - Solution: decimal_to_factorial_and_back_unit.pas
  14. <5 kyu> Diophantine Equation - Solution: diophantine_equation_unit.pas
  15. <5 kyu> Directions Reduction - Solution: directions_reduction_unit.pas
  16. <5 kyu> Euler's method for a first-order ODE - Solution: eulers_method_1st_order_ode_unit.pas
  17. <5 kyu> Factorial decomposition - Solution: factorial_decomposition_unit.pas
  18. <5 kyu> Fibo akin - Solution: fibo_akin_unit.pas
  19. <5 kyu> Find the smallest - Solution: find_the_smallest_unit.pas
  20. <5 kyu> Gap in Primes - Solution: gap_in_primes_unit.pas
  21. <5 kyu> Getting along with Bernoulli's numbers - Solution: getting_along_with_bernoulli_numbers_unit.pas
  22. <5 kyu> Integers: Recreation One - Solution: integers_recreation_one_unit.pas
  23. <5 kyu> Is my friend cheating? - Solution: is_my_friend_cheating_unit.pas
  24. <5 kyu> John and Ann sign up for Codewars - Solution: john_and_ann_sign_up_for_codewars_unit.pas
  25. <5 kyu> k-Primes - Solution: k_primes_unit.pas
  26. <5 kyu> Matching And Substituting - Solution: matching_and_substituting_unit.pas
  27. <5 kyu> Operations on sequences - Solution: operations_on_sequences_unit.pas
  28. <5 kyu> Perimeter of squares in a rectangle - Solution: fibonacci_squares_perimeter_unit.pas
  29. <5 kyu> Phone Directory - Solution: phone_directory_unit.pas
  30. <5 kyu> Primes in numbers - Solution: prime_factor_decomposition_unit.pas
  31. <5 kyu> Sections - Solution: sections_unit.pas
  32. <5 kyu> Some Egyptian fractions - Solution: some_egyptian_fractions_unit.pas
  33. <5 kyu> Weight for weight - Solution: weight_for_weight_unit.pas
  34. <5 kyu> Which x for that sum? - Solution: which_x_for_that_sum_unit.pas
  35. <6 kyu> 1/n-Cycle - Solution: one_div_n_cycle_unit.pas
  36. <6 kyu> A disguised sequence (I) - Solution: disguised_sequence_1_unit.pas
  37. <6 kyu> Architect's Dream: drawing curves, observing, thinking - Solution: architects_dream_unit.pas
  38. <6 kyu> Are they the "same"? - Solution: same_arrays_unit.pas
  39. <6 kyu> A Rule of Divisibility by 13 - Solution: divisibility_by_thirteen_unit.pas
  40. <6 kyu> ASCII Fun #1: X-Shape - Solution: x_shape_unit.pas
  41. <6 kyu> Backwards Read Primes - Solution: backwards_read_primes_unit.pas
  42. <6 kyu> Ball Upwards - Solution: ball_upwards_unit.pas
  43. <6 kyu> Banker's Plan - Solution: bankers_plan_unit.pas
  44. <6 kyu> Binaries - Solution: binaries_unit.pas
  45. <6 kyu> Bonuses - Solution: bonuses_unit.pas
  46. <6 kyu> Bouncing Balls - Solution: bouncing_balls_unit.pas
  47. <6 kyu> Braking well - Solution: braking_well_unit.pas
  48. <6 kyu> Build a pile of Cubes - Solution: pile_of_cubes_unit.pas
  49. <6 kyu> Buying a car - Solution: buying_a_car_unit.pas
  50. <6 kyu> Cancellable Item Transactions - Solution: cancellable_item_transactions_unit.pas
  51. <6 kyu> Catalog - Solution: catalog_unit.pas
  52. <6 kyu> Chaser's schedule - Solution: chasers_schedule_unit.pas
  53. <6 kyu> Color Choice - Solution: color_choice_unit.pas
  54. <6 kyu> Consecutive strings - Solution: consecutive_strings_unit.pas
  55. <6 kyu> Cuckoo Clock - Solution: cuckoo_clock_unit.pas
  56. <6 kyu> Detect Pangram - Solution: detect_pangram_unit.pas
  57. <6 kyu> Disease Spread - Solution: disease_spread_unit.pas
  58. <6 kyu> Disguised sequences (II) - Solution: disguised_sequences_2_unit.pas
  59. <6 kyu> Ease the StockBroker - Solution: ease_the_stockbroker_unit.pas
  60. <6 kyu> Easy Balance Checking - Solution: easy_balance_checking_unit.pas
  61. <6 kyu> Easy Diagonal - Solution: easy_diagonal_unit.pas
  62. <6 kyu> Errors : histogram - Solution: errors_histogram_unit.pas
  63. <6 kyu> Experimenting with a sequence of complex numbers - Solution: sequence_complex_numbers_unit.pas
  64. <6 kyu> Financing a purchase - Solution: financing_purchase_unit.pas
  65. <6 kyu> Financing Plan on Planet XY140Z-n - Solution: planet_financing_plan_unit.pas
  66. <6 kyu> Find the odd int - Solution: find_the_odd_int_unit.pas
  67. <6 kyu> Floating-point Approximation (I) - Solution: floating_point_approx_1_unit.pas
  68. <6 kyu> Floating-point Approximation (II) - Solution: floating_point_approx_2_unit.pas
  69. <6 kyu> Help the bookseller ! - Solution: help_the_bookseller_unit.pas
  70. <6 kyu> Hidden "Cubic" numbers - Solution: hidden_cubic_numbers_unit.pas
  71. <6 kyu> How Much? - Solution: how_much_unit.pas
  72. <6 kyu> Irreducible Sum of Rationals - Solution: irreducible_sum_of_rationals_unit.pas
  73. <6 kyu> Is a number prime? - Solution: is_prime_unit.pas
  74. <6 kyu> Magnitude - Solution: magnitude_unit.pas
  75. <6 kyu> Meeting - Solution: meeting_unit.pas
  76. <6 kyu> Moduli number system - Solution: moduli_number_system_unit.pas
  77. <6 kyu> Moves in squared strings (II) - Solution: moves_in_squared_strings_2_unit.pas
  78. <6 kyu> Moves in squared strings (III) - Solution: moves_in_squared_strings_3_unit.pas
  79. <6 kyu> Parabolic Arc Length - Solution: parabolic_arc_length_unit.pas
  80. <6 kyu> Persistent Bugger. - Solution: persistent_bugger_unit.pas
  81. <6 kyu> Playing on a chessboard - Solution: playing_on_a_chessboard_unit.pas
  82. <6 kyu> Playing with digits - Solution: playing_with_digits_unit.pas
  83. <6 kyu> Playing with passphrases - Solution: playing_with_passphrases_unit.pas
  84. <6 kyu> Positions Average - Solution: positions_average_unit.pas
  85. <6 kyu> Prize Draw - Solution: prize_draw_unit.pas
  86. <6 kyu> Rainfall - Solution: rainfall_unit.pas
  87. <6 kyu> Ranking NBA teams - Solution: ranking_nba_teams_unit.pas
  88. <6 kyu> Rectangle into Squares - Solution: rectangle_into_squares_unit.pas
  89. <6 kyu> Reducing by steps - Solution: reducing_by_steps_unit.pas
  90. <6 kyu> Reverse or rotate? - Solution: reverse_or_rotate_unit.pas
  91. <6 kyu> Reversing a Process - Solution: reversing_a_process_unit.pas
  92. <6 kyu> Salesman's Travel - Solution: salesmans_travel_unit.pas
  93. <6 kyu> Simpson's Rule - Approximate Integration - Solution: simpsons_rule_unit.pas
  94. <6 kyu> Statistics for an Athletic Association - Solution: athletic_association_statistics_unit.pas
  95. <6 kyu> Steps in k-primes - Solution: steps_in_k_primes_unit.pas
  96. <6 kyu> Steps in Primes - Solution: steps_in_primes_unit.pas
  97. <6 kyu> Sum of Digits / Digital Root - Solution: digital_root_unit.pas
  98. <6 kyu> Sums of Parts - Solution: sum_of_parts_unit.pas
  99. <6 kyu> Tank Truck - Solution: tank_truck_unit.pas
  100. <6 kyu> Texting with an old-school mobile phone - Solution: old_school_texting_unit.pas
  101. <6 kyu> The latest clock - Solution: the_latest_clock_unit.pas
  102. <6 kyu> The Walker - Solution: the_walker_unit.pas
  103. <6 kyu> Tortoise racing - Solution: tortoise_racing_unit.pas
  104. <6 kyu> Train your skills in creation of classes - Solution: class_creation_skills_unit.pas
  105. <6 kyu> up AND down - Solution: up_and_down_unit.pas
  106. <6 kyu> Which are in? - Solution: which_are_in_unit.pas
  107. <7 kyu> A Rule of Divisibility by 7 - Solution: divisibility_by_seven_unit.pas
  108. <7 kyu> Cats and shelves - Solution: cats_and_shelves_unit.pas
  109. <7 kyu> Count the Digit - Solution: count_the_digit_unit.pas
  110. <7 kyu> Deodorant Evaporator - Solution: evaporator_unit.pas
  111. <7 kyu> Drying Potatoes - Solution: drying_potatoes_unit.pas
  112. <7 kyu> Easy wallpaper - Solution: easy_wallpaper_unit.pas
  113. <7 kyu> Floating-point Approximation (III) - Solution: floating_point_approx_3_unit.pas
  114. <7 kyu> Going to the cinema - Solution: going_to_the_cinema_unit.pas
  115. <7 kyu> Growth of a Population - Solution: population_growth_unit.pas
  116. <7 kyu> How Green Is My Valley? - Solution: how_green_is_my_valley_unit.pas
  117. <7 kyu> Leap Years - Solution: leap_years_unit.pas
  118. <7 kyu> Looking for a benefactor - Solution: new_average_unit.pas
  119. <7 kyu> Maximum Length Difference - Solution: maximum_length_difference_unit.pas
  120. <7 kyu> Maximum Multiple - Solution: maximum_multiple_unit.pas
  121. <7 kyu> Moves in squared strings (I) - Solution: moves_in_squared_strings_1_unit.pas
  122. <7 kyu> Mumbling - Solution: mumbling_unit.pas
  123. <7 kyu> Palindrome chain length - Solution: palindrome_chain_length_unit.pas
  124. <7 kyu> Printer Errors - Solution: printer_errors_unit.pas
  125. <7 kyu> Robinson Crusoe - Solution: robinson_crusoe_unit.pas
  126. <7 kyu> Scaling Squared Strings - Solution: scaling_squared_strings_unit.pas
  127. <7 kyu> Sum of Numbers - Solution: sum_of_numbers_unit.pas
  128. <7 kyu> Sum of odd numbers - Solution: sum_of_odd_numbers_unit.pas
  129. <7 kyu> Target Date - Solution: target_date_unit.pas
  130. <7 kyu> Triangular Numbers - Solution: triangular_numbers_unit.pas
  131. <7 kyu> Two to One - Solution: two_to_one_unit.pas
  132. <7 kyu> Vowel Count - Solution: vowel_count_unit.pas
  133. <7 kyu> Waiting room - Solution: waiting_room_unit.pas
  134. <8 kyu> Clock - Solution: clock_unit.pas
  135. <8 kyu> Cockroach - Solution: cockroach_unit.pas
  136. <8 kyu> Even or Odd - Solution: even_or_odd_unit.pas
  137. <8 kyu> Function 1 - hello world - Solution: hello_world_unit.pas
  138. <8 kyu> Grasshopper - Summation - Solution: grasshopper_summation_unit.pas
  139. <8 kyu> Multiply - Solution: multiply_unit.pas
  140. <8 kyu> School Paperwork - Solution: school_paperwork_unit.pas