Corrections to errors in the existing files

.github/workflows/cpplint_modified_files.yml

@@ -11,7 +11,7 @@ jobs:
   cpplint_modified_files:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1  # v2 is broken for git diff
+      - uses: actions/checkout@v1 # v2 is broken for git diff
       - uses: actions/setup-python@v1
       - run: python -m pip install cpplint
       - run: git remote -v
@@ -42,7 +42,8 @@ jobs:
           print("g++:")
           # compile_exts = tuple(".c .c++ .cc .cpp .cu .cxx".split())
           # compile_files = [file for file in cpp_files if file.lower().endswith(compile_exts)]
-          subprocess.run(["g++"] + cpp_files, check=True, text=True)
+          for cpp_file in cpp_files:
+            subprocess.run(["g++", cpp_file], check=True, text=True)
 
           upper_files = [file for file in cpp_files if file != file.lower()]
           if upper_files:

.gitignore

@@ -33,3 +33,5 @@
 a.out
 *.out
 *.app
+
+build/

DIRECTORY.md

@@ -10,13 +10,13 @@
   * [Sudoku Solve](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/backtracking/sudoku_solve.cpp)
 
 ## Computer Oriented Statistical Methods
-  * [Bisection Method](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/Bisection_method.CPP)
-  * [False-Position](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/false-position.cpp)
-  * [Gaussian Elimination](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/Gaussian_elimination.cpp)
-  * [Newton Raphson](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/Newton_Raphson.CPP)
+  * [Bisection Method](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/bisection_method.cpp)
+  * [False Position](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/false_position.cpp)
+  * [Gaussian Elimination](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/gaussian_elimination.cpp)
+  * [Newton Raphson Method](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/newton_raphson_method.cpp)
   * [Ordinary Least Squares Regressor](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/ordinary_least_squares_regressor.cpp)
-  * [Secant Method](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/Secant_method.CPP)
-  * [Successive Approximation](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/successive_approximation.CPP)
+  * [Secant Method](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/secant_method.cpp)
+  * [Successive Approximation](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/computer_oriented_statistical_methods/successive_approximation.cpp)
 
 ## Data Structure
   * [Avltree](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/data_structure/AVLtree.cpp)
@@ -116,7 +116,7 @@
   * [Power For Huge Numbers](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/power_for_huge_numbers.cpp)
   * [Prime Factorization](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/prime_factorization.cpp)
   * [Prime Numbers](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/prime_numbers.cpp)
-  * [Primes Up To 10^8](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/primes_up_to_10^8.cpp)
+  * [Primes Up To Billion](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/primes_up_to_billion.cpp)
   * [Sieve Of Eratosthenes](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/sieve_of_eratosthenes.cpp)
   * [Sqrt Double](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/math/sqrt_double.cpp)
 
@@ -132,28 +132,26 @@
   * [Union Of 2 Arrays](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/operations_on_datastructures/Union_of_2_arrays.cpp)
 
 ## Others
-  * [Buzz Number](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Buzz_number.cpp)
-  * [Decimal To Binary](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Decimal%20To%20Binary.cpp)
-  * [Decimal To Hexadecimal ](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Decimal%20To%20Hexadecimal%20.cpp)
-  * [Decimal To Roman Numeral](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Decimal%20to%20Roman%20Numeral.cpp)
+  * [Buzz Number](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/buzz_number.cpp)
+  * [Decimal To Binary](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/decimal_to_binary.cpp)
+  * [Decimal To Hexadecimal](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/decimal_to_hexadecimal.cpp)
+  * [Decimal To Roman Numeral](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/decimal_to_roman_numeral.cpp)
   * [Fast Interger Input](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/fast_interger_input.cpp)
-  * [Fibonacci](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/fibonacci.cpp)
-  * [Gcd Of N Numbers](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/GCD_of_n_numbers.cpp)
+  * [Fibonacci Fast](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/fibonacci_fast.cpp)
+  * [Gcd Of N Numbers](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/gcd_of_n_numbers.cpp)
   * [Happy Number](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/happy_number.cpp)
   * [Matrix Exponentiation](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/matrix_exponentiation.cpp)
-  * [Measure Time Elapsed](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/measure_time_elapsed.cpp)
-  * [Palindromeofnumber](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Palindromeofnumber.cpp)
-  * [Paranthesis Matching](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Paranthesis%20Matching.cpp)
+  * [Palindrome Of Number](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/palindrome_of_number.cpp)
+  * [Paranthesis Matching](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/paranthesis_matching.cpp)
   * [Pascal Triangle](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/pascal_triangle.cpp)
-  * [Primality Test](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Primality%20Test.cpp)
+  * [Primality Test](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/primality_test.cpp)
   * [Sieve Of Eratosthenes](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/sieve_of_Eratosthenes.cpp)
   * [Smallest-Circle](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/smallest-circle.cpp)
-  * [Sparse Matrix](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Sparse%20matrix.cpp)
+  * [Sparse Matrix](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/sparse_matrix.cpp)
   * [Spiral Print](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/spiral_print.cpp)
   * [Stairs Pattern](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/stairs_pattern.cpp)
-  * [Strassen Matrix Multiplication](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Strassen%20Matrix%20Multiplication.cpp)
-  * [String Fibonacci](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/String%20Fibonacci.cpp)
-  * [Tower Of Hanoi](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/Tower%20of%20Hanoi.cpp)
+  * [String Fibonacci](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/string_fibonacci.cpp)
+  * [Tower Of Hanoi](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/tower_of_hanoi.cpp)
   * [Vector Important Functions](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/others/vector_important_functions.cpp)
 
 ## Probability
@@ -181,28 +179,29 @@
   * [Ternary Search](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/search/ternary_search.cpp)
 
 ## Sorting
-  * [Beadsort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/BeadSort.cpp)
-  * [Bitonicsort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/BitonicSort.cpp)
-  * [Bubble Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Bubble%20Sort.cpp)
-  * [Bucketsort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/bucketSort.cpp)
-  * [Cocktailselectionsort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/CocktailSelectionSort.cpp)
-  * [Combsort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/combsort.cpp)
+  * [Bead Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/bead_sort.cpp)
+  * [Bitonic Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/bitonic_sort.cpp)
+  * [Bubble Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/bubble_sort.cpp)
+  * [Bucket Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/bucket_sort.cpp)
+  * [Cocktail Selection Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/cocktail_selection_sort.cpp)
+  * [Comb Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/comb_sort.cpp)
   * [Counting Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Counting_Sort.cpp)
-  * [Countingsortstring](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/CountingSortString.cpp)
+  * [Counting Sort String](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/counting_sort_string.cpp)
   * [Heap Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/heap_sort.cpp)
-  * [Insertion Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Insertion%20Sort.cpp)
+  * [Insertion Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/insertion_sort.cpp)
   * [Library Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/library_sort.cpp)
-  * [Merge Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Merge%20Sort.cpp)
+  * [Merge Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/merge_sort.cpp)
   * [Non Recursive Merge Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/non_recursive_merge_sort.cpp)
-  * [Numericstringsort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/NumericStringSort.cpp)
-  * [Oddeven Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/OddEven%20Sort.cpp)
+  * [Numeric String Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/numeric_string_sort.cpp)
+  * [Odd Even Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/odd_even_sort.cpp)
   * [Quick Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/quick_sort.cpp)
-  * [Radix Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Radix%20Sort.cpp)
-  * [Selection Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Selection%20Sort.cpp)
-  * [Shell Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Shell%20Sort.cpp)
-  * [Slow Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Slow%20Sort.cpp)
+  * [Radix Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/radix_sort.cpp)
+  * [Selection Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/selection_sort.cpp)
+  * [Shell Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/shell_sort.cpp)
+  * [Shell Sort2](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/shell_sort2.cpp)
+  * [Slow Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/slow_sort.cpp)
   * [Swap Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/swap_sort.cpp)
-  * [Tim Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/Tim%20Sort.cpp)
+  * [Tim Sort](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/sorting/tim_sort.cpp)
 
 ## Strings
   * [Brute Force String Searching](https://github.com/TheAlgorithms/C-Plus-Plus/blob/master/strings/brute_force_string_searching.cpp)