version 2021

Author: cs-MohamedAyman

level-1/hackerrank-phase-1-cpp/README.md

@@ -0,0 +1,107 @@
+<img align="right" width="80" height="80" src="https://github.com/cs-MohamedAyman/Problem-Solving-Training/blob/master/online-judges-logos/hackerrank.jpg">
+
+## [HackerRank](https://www.hackerrank.com/) OJ - C/C++ Programming Language `70 problems` `80 hrs`
+
+### Table of Content
+
+- ***Introduction*** 				`15 problems`
+- ***Conditionals and Loops*** 		`5 problems`
+- ***Arrays and Strings*** 			`10 problems`
+- ***Functions*** 					`5 problems`
+- ***Standard Template Libraries*** `5 problems`
+- ***Structs and Enums*** 			`5 problems`
+- ***Classes and Inheritance*** 	`15 problems`
+- ***Misc*** 						`10 problems`
+
+### HackerRank - Introduction `15 problems`
+
+- [hello world c](https://www.hackerrank.com/challenges/hello-world-c/problem)
+- [playing with characters](https://www.hackerrank.com/challenges/playing-with-characters/problem)
+- [sum numbers c](https://www.hackerrank.com/challenges/sum-numbers-c/problem)
+- [functions in c](https://www.hackerrank.com/challenges/functions-in-c/problem)
+- [pointer in c](https://www.hackerrank.com/challenges/pointer-in-c/problem)
+- [cpp hello world](https://www.hackerrank.com/challenges/cpp-hello-world/problem)
+- [cpp input and output](https://www.hackerrank.com/challenges/cpp-input-and-output/problem)
+- [c tutorial basic data types](https://www.hackerrank.com/challenges/c-tutorial-basic-data-types/problem)
+- [c tutorial conditional if else](https://www.hackerrank.com/challenges/c-tutorial-conditional-if-else/problem)
+- [c tutorial for loop](https://www.hackerrank.com/challenges/c-tutorial-for-loop/problem)
+- [c tutorial functions](https://www.hackerrank.com/challenges/c-tutorial-functions/problem)
+- [c tutorial pointer](https://www.hackerrank.com/challenges/c-tutorial-pointer/problem)
+- [arrays introduction](https://www.hackerrank.com/challenges/arrays-introduction/problem)
+- [variable sized arrays](https://www.hackerrank.com/challenges/variable-sized-arrays/problem)
+
+### HackerRank - Conditionals and Loops `5 problems`
+
+- [conditional statements in c](https://www.hackerrank.com/challenges/conditional-statements-in-c/problem)
+- [for loop in c](https://www.hackerrank.com/challenges/for-loop-in-c/problem)
+- [sum of digits of a five digit number](https://www.hackerrank.com/challenges/sum-of-digits-of-a-five-digit-number/problem)
+- [bitwise operators in c](https://www.hackerrank.com/challenges/bitwise-operators-in-c/problem)
+- [printing pattern 2](https://www.hackerrank.com/challenges/printing-pattern-2/problem)
+
+### HackerRank - Arrays and Strings `10 problems`
+
+- [1d arrays in c](https://www.hackerrank.com/challenges/1d-arrays-in-c/problem)
+- [reverse array c](https://www.hackerrank.com/challenges/reverse-array-c/problem)
+- [printing tokens ](https://www.hackerrank.com/challenges/printing-tokens-/problem)
+- [frequency of digits 1](https://www.hackerrank.com/challenges/frequency-of-digits-1/problem)
+- [dynamic array in c](https://www.hackerrank.com/challenges/dynamic-array-in-c/problem)
+- [c tutorial stringstream](https://www.hackerrank.com/challenges/c-tutorial-stringstream/problem)
+- [c tutorial strings](https://www.hackerrank.com/challenges/c-tutorial-strings/problem)
+- [attribute parser](https://www.hackerrank.com/challenges/attribute-parser/problem)
+
+### HackerRank - Functions `5 problems`
+
+- [recursion in c](https://www.hackerrank.com/challenges/recursion-in-c/problem)
+- [students marks sum](https://www.hackerrank.com/challenges/students-marks-sum/problem)
+- [permutations of strings](https://www.hackerrank.com/challenges/permutations-of-strings/problem)
+- [variadic functions in c](https://www.hackerrank.com/challenges/variadic-functions-in-c/problem)
+- [sorting array of strings](https://www.hackerrank.com/challenges/sorting-array-of-strings/problem)
+- [querying the document](https://www.hackerrank.com/challenges/querying-the-document/problem)
+
+### HackerRank - Standard Template Libraries `5 problems`
+
+- [vector sort](https://www.hackerrank.com/challenges/vector-sort/problem)
+- [vector erase](https://www.hackerrank.com/challenges/vector-erase/problem)
+- [cpp lower bound](https://www.hackerrank.com/challenges/cpp-lower-bound/problem)
+- [cpp sets](https://www.hackerrank.com/challenges/cpp-sets/problem)
+- [cpp maps](https://www.hackerrank.com/challenges/cpp-maps/problem)
+- [prettyprint](https://www.hackerrank.com/challenges/prettyprint/problem)
+- [deque stl](https://www.hackerrank.com/challenges/deque-stl/problem)
+
+### HackerRank - Structs and Enums `5 problems`
+
+- [too high boxes](https://www.hackerrank.com/challenges/too-high-boxes/problem)
+- [small triangles large triangles](https://www.hackerrank.com/challenges/small-triangles-large-triangles/problem)
+- [post transition](https://www.hackerrank.com/challenges/post-transition/problem)
+- [structuring the document](https://www.hackerrank.com/challenges/structuring-the-document/problem)
+
+### HackerRank - Classes and Inheritance `15 problems`
+
+- [c tutorial struct](https://www.hackerrank.com/challenges/c-tutorial-struct/problem)
+- [c tutorial class](https://www.hackerrank.com/challenges/c-tutorial-class/problem)
+- [classes objects](https://www.hackerrank.com/challenges/classes-objects/problem)
+- [box it](https://www.hackerrank.com/challenges/box-it/problem)
+- [inherited code](https://www.hackerrank.com/challenges/inherited-code/problem)
+- [exceptional server](https://www.hackerrank.com/challenges/exceptional-server/problem)
+- [virtual functions](https://www.hackerrank.com/challenges/virtual-functions/problem)
+- [abstract classes polymorphism](https://www.hackerrank.com/challenges/abstract-classes-polymorphism/problem)
+- [inheritance introduction](https://www.hackerrank.com/challenges/inheritance-introduction/problem)
+- [rectangle area](https://www.hackerrank.com/challenges/rectangle-area/problem)
+- [multi level inheritance cpp](https://www.hackerrank.com/challenges/multi-level-inheritance-cpp/problem)
+- [accessing inherited functions](https://www.hackerrank.com/challenges/accessing-inherited-functions/problem)
+- [magic spells](https://www.hackerrank.com/challenges/magic-spells/problem)
+
+### HackerRank - Misc `10 problems`
+
+- [c class templates](https://www.hackerrank.com/challenges/c-class-templates/problem)
+- [preprocessor solution](https://www.hackerrank.com/challenges/preprocessor-solution/problem)
+- [overload operators](https://www.hackerrank.com/challenges/overload-operators/problem)
+- [hotel prices](https://www.hackerrank.com/challenges/hotel-prices/problem)
+- [cpp exception handling](https://www.hackerrank.com/challenges/cpp-exception-handling/problem)
+- [overloading ostream operator](https://www.hackerrank.com/challenges/overloading-ostream-operator/problem)
+- [messages order](https://www.hackerrank.com/challenges/messages-order/problem)
+- [operator overloading](https://www.hackerrank.com/challenges/operator-overloading/problem)
+- [attending workshops](https://www.hackerrank.com/challenges/attending-workshops/problem)
+- [cpp class template specialization](https://www.hackerrank.com/challenges/cpp-class-template-specialization/problem)
+- [cpp variadics](https://www.hackerrank.com/challenges/cpp-variadics/problem)
+- [bitset 1](https://www.hackerrank.com/challenges/bitset-1/problem)

level-1/hackerrank-phase-1-cpp/hackerrank-phase-1-cpp.xlsx

@@ -4,12 +4,12 @@
 
 ### Table of Content
 
-- ***Introduction*** `25 problems`
-- ***Recursion*** `20 problems`
-- ***Functional Structures*** `10 problems`
-- ***Memoization*** `10 problems`
-- ***Ad-Hoc*** `15 problems`
-- ***Misc*** `5 problems`
+- ***Introduction*** 			`25 problems`
+- ***Recursion*** 				`20 problems`
+- ***Functional Structures*** 	`10 problems`
+- ***Memoization*** 			`10 problems`
+- ***Ad-Hoc*** 					`15 problems`
+- ***Misc*** 					`5 problems`
 
 ### HackerRank - Introduction `25 problems`
 

level-1/hackerrank-phase-1-functional-programming/README.md

@@ -0,0 +1,130 @@
+<img align="right" width="80" height="80" src="https://github.com/cs-MohamedAyman/Problem-Solving-Training/blob/master/online-judges-logos/hackerrank.jpg">
+
+## [HackerRank](https://www.hackerrank.com/) OJ - Python Programming Language `100 problems` `80 hrs`
+
+### Table of Content
+
+- ***Introduction*** 				`5 problems`
+- ***Basic Data Types*** 			`20 problems`
+- ***Collections*** 				`30 problems`
+- ***Functions*** 					`10 problems`
+- ***Standard Libraries*** 			`25 problems`
+- ***Classes*** 					`10 problems`
+
+### HackerRank - Introduction `5 problems`
+
+- [py hello world](https://www.hackerrank.com/challenges/py-hello-world/problem)
+- [py if else](https://www.hackerrank.com/challenges/py-if-else/problem)
+- [python arithmetic operators](https://www.hackerrank.com/challenges/python-arithmetic-operators/problem)
+- [python division](https://www.hackerrank.com/challenges/python-division/problem)
+- [python loops](https://www.hackerrank.com/challenges/python-loops/problem)
+- [python print](https://www.hackerrank.com/challenges/python-print/problem)
+- [write a function](https://www.hackerrank.com/challenges/write-a-function/problem)
+
+### HackerRank - Basic Data Types `20 problems`
+
+- [list comprehensions](https://www.hackerrank.com/challenges/list-comprehensions/problem)
+- [find second maximum number in a list](https://www.hackerrank.com/challenges/find-second-maximum-number-in-a-list/problem)
+- [nested list](https://www.hackerrank.com/challenges/nested-list/problem)
+- [finding the percentage](https://www.hackerrank.com/challenges/finding-the-percentage/problem)
+- [python lists](https://www.hackerrank.com/challenges/python-lists/problem)
+- [python tuples](https://www.hackerrank.com/challenges/python-tuples/problem)
+- [swap case](https://www.hackerrank.com/challenges/swap-case/problem)
+- [python string split and join](https://www.hackerrank.com/challenges/python-string-split-and-join/problem)
+- [whats your name](https://www.hackerrank.com/challenges/whats-your-name/problem)
+- [python mutations](https://www.hackerrank.com/challenges/python-mutations/problem)
+- [find a string](https://www.hackerrank.com/challenges/find-a-string/problem)
+- [string validators](https://www.hackerrank.com/challenges/string-validators/problem)
+- [text alignment](https://www.hackerrank.com/challenges/text-alignment/problem)
+- [text wrap](https://www.hackerrank.com/challenges/text-wrap/problem)
+- [designer door mat](https://www.hackerrank.com/challenges/designer-door-mat/problem)
+- [python string formatting](https://www.hackerrank.com/challenges/python-string-formatting/problem)
+- [alphabet rangoli](https://www.hackerrank.com/challenges/alphabet-rangoli/problem)
+- [capitalize](https://www.hackerrank.com/challenges/capitalize/problem)
+- [the minion game](https://www.hackerrank.com/challenges/the-minion-game/problem)
+- [merge the tools](https://www.hackerrank.com/challenges/merge-the-tools/problem)
+
+### HackerRank - Collections `30 problems`
+
+- [collections counter](https://www.hackerrank.com/challenges/collections-counter/problem)
+- [py introduction to sets](https://www.hackerrank.com/challenges/py-introduction-to-sets/problem)
+- [defaultdict tutorial](https://www.hackerrank.com/challenges/defaultdict-tutorial/problem)
+- [py collections namedtuple](https://www.hackerrank.com/challenges/py-collections-namedtuple/problem)
+- [py collections ordereddict](https://www.hackerrank.com/challenges/py-collections-ordereddict/problem)
+- [symmetric difference](https://www.hackerrank.com/challenges/symmetric-difference/problem)
+- [py set add](https://www.hackerrank.com/challenges/py-set-add/problem)
+- [py set discard remove pop](https://www.hackerrank.com/challenges/py-set-discard-remove-pop/problem)
+- [py collections deque](https://www.hackerrank.com/challenges/py-collections-deque/problem)
+- [py set union](https://www.hackerrank.com/challenges/py-set-union/problem)
+- [py set intersection operation](https://www.hackerrank.com/challenges/py-set-intersection-operation/problem)
+- [py set difference operation](https://www.hackerrank.com/challenges/py-set-difference-operation/problem)
+- [py set symmetric difference operation](https://www.hackerrank.com/challenges/py-set-symmetric-difference-operation/problem)
+- [py set mutations](https://www.hackerrank.com/challenges/py-set-mutations/problem)
+- [py the captains room](https://www.hackerrank.com/challenges/py-the-captains-room/problem)
+- [py check subset](https://www.hackerrank.com/challenges/py-check-subset/problem)
+- [py check strict superset](https://www.hackerrank.com/challenges/py-check-strict-superset/problem)
+- [piling up](https://www.hackerrank.com/challenges/piling-up/problem)
+- [most commons](https://www.hackerrank.com/challenges/most-commons/problem)
+- [word order](https://www.hackerrank.com/challenges/word-order/problem)
+- [no idea](https://www.hackerrank.com/challenges/no-idea/problem)
+- [itertools product](https://www.hackerrank.com/challenges/itertools-product/problem)
+- [itertools permutations](https://www.hackerrank.com/challenges/itertools-permutations/problem)
+- [itertools combinations](https://www.hackerrank.com/challenges/itertools-combinations/problem)
+- [itertools combinations with replacement](https://www.hackerrank.com/challenges/itertools-combinations-with-replacement/problem)
+- [compress the string](https://www.hackerrank.com/challenges/compress-the-string/problem)
+- [iterables and iterators](https://www.hackerrank.com/challenges/iterables-and-iterators/problem)
+- [maximize it](https://www.hackerrank.com/challenges/maximize-it/problem)
+
+### HackerRank - Functions `10 problems`
+
+- [zipped](https://www.hackerrank.com/challenges/zipped/problem)
+- [input](https://www.hackerrank.com/challenges/input/problem)
+- [python eval](https://www.hackerrank.com/challenges/python-eval/problem)
+- [any or all](https://www.hackerrank.com/challenges/any-or-all/problem)
+- [map and lambda expression](https://www.hackerrank.com/challenges/map-and-lambda-expression/problem)
+- [python sort sort](https://www.hackerrank.com/challenges/python-sort-sort/problem)
+- [ginorts](https://www.hackerrank.com/challenges/ginorts/problem)
+- [validate list of email address with filter](https://www.hackerrank.com/challenges/validate-list-of-email-address-with-filter/problem)
+- [reduce function](https://www.hackerrank.com/challenges/reduce-function/problem)
+
+### HackerRank - Standard Libraries `25 problems`
+
+- [polar coordinates](https://www.hackerrank.com/challenges/polar-coordinates/problem)
+- [calendar module](https://www.hackerrank.com/challenges/calendar-module/problem)
+- [python mod divmod](https://www.hackerrank.com/challenges/python-mod-divmod/problem)
+- [python power mod power](https://www.hackerrank.com/challenges/python-power-mod-power/problem)
+- [python integers come in all sizes](https://www.hackerrank.com/challenges/python-integers-come-in-all-sizes/problem)
+- [introduction to regex](https://www.hackerrank.com/challenges/introduction-to-regex/problem)
+- [re split](https://www.hackerrank.com/challenges/re-split/problem)
+- [re group groups](https://www.hackerrank.com/challenges/re-group-groups/problem)
+- [re findall re finditer](https://www.hackerrank.com/challenges/re-findall-re-finditer/problem)
+- [re start re end](https://www.hackerrank.com/challenges/re-start-re-end/problem)
+- [validate a roman number](https://www.hackerrank.com/challenges/validate-a-roman-number/problem)
+- [validating the phone number](https://www.hackerrank.com/challenges/validating-the-phone-number/problem)
+- [validating named email addresses](https://www.hackerrank.com/challenges/validating-named-email-addresses/problem)
+- [hex color code](https://www.hackerrank.com/challenges/hex-color-code/problem)
+- [html parser part 1](https://www.hackerrank.com/challenges/html-parser-part-1/problem)
+- [html parser part 2](https://www.hackerrank.com/challenges/html-parser-part-2/problem)
+- [detect html tags attributes and attribute values](https://www.hackerrank.com/challenges/detect-html-tags-attributes-and-attribute-values/problem)
+- [xml 1 find the score](https://www.hackerrank.com/challenges/xml-1-find-the-score/problem)
+- [validating uid](https://www.hackerrank.com/challenges/validating-uid/problem)
+- [xml2 find the maximum depth](https://www.hackerrank.com/challenges/xml2-find-the-maximum-depth/problem)
+- [python time delta](https://www.hackerrank.com/challenges/python-time-delta/problem)
+- [find angle](https://www.hackerrank.com/challenges/find-angle/problem)
+- [triangle quest 2](https://www.hackerrank.com/challenges/triangle-quest-2/problem)
+- [python quest 1](https://www.hackerrank.com/challenges/python-quest-1/problem)
+- [re sub regex substitution](https://www.hackerrank.com/challenges/re-sub-regex-substitution/problem)
+- [validating credit card number](https://www.hackerrank.com/challenges/validating-credit-card-number/problem)
+- [validating postalcode](https://www.hackerrank.com/challenges/validating-postalcode/problem)
+- [matrix script](https://www.hackerrank.com/challenges/matrix-script/problem)
+
+### HackerRank - Classes `5 problems`
+
+- [exceptions](https://www.hackerrank.com/challenges/exceptions/problem)
+- [incorrect regex](https://www.hackerrank.com/challenges/incorrect-regex/problem)
+- [class 2 find the torsional angle](https://www.hackerrank.com/challenges/class-2-find-the-torsional-angle/problem)
+- [standardize mobile number using decorators](https://www.hackerrank.com/challenges/standardize-mobile-number-using-decorators/problem)
+- [decorators 2 name directory](https://www.hackerrank.com/challenges/decorators-2-name-directory/problem)
+- [class 1 dealing with complex numbers](https://www.hackerrank.com/challenges/class-1-dealing-with-complex-numbers/problem)
+- [words score](https://www.hackerrank.com/challenges/words-score/problem)
+- [default arguments](https://www.hackerrank.com/challenges/default-arguments/problem)