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Programming & Software Q&A | CollectiveSolver
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Welcome to collectivesolver - Programming & Software Q&A with code examples. A website with trusted programming answers. All programs are tested and work.
Contact: aviboots(AT)netvision.net.il
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Recent questions tagged CPP
41,636
questions
54,299
answers
573
users
Recent questions tagged CPP
1
answer
63
views
How to compute the hypotenuse h of the triangle in C++
asked
Jun 28, 2025
by
avibootz
cpp
cpp-triangle
1
answer
143
views
How to draw a triangle on the screen using OpenGL with FreeGLUT and GLEW in C++
asked
Jun 27, 2025
by
avibootz
cpp
opengl
glew
freeglut
1
answer
105
views
How to convert a string with either , or . as decimal/thousand separators into a float in C++
asked
Jun 27, 2025
by
avibootz
cpp
cpp-string
cpp-convert
1
answer
106
views
How to draw a dot in the middle of the screen using OpenGL with FreeGLUT and GLEW in C++
asked
Jun 26, 2025
by
avibootz
opengl
freeglut
cpp
glew
1
answer
105
views
How to check if any value in a one-dimensional array a is larger than x using std::any_of in C++
asked
Jun 25, 2025
by
avibootz
cpp
cpp-array
1
answer
113
views
How to generate an n x n matrix filled with elements from 1 to N^2 in spiral order in C++
asked
Jun 24, 2025
by
avibootz
cpp
cpp-matrix
1
answer
79
views
How to schedule the execution of a function in 5 seconds with C++
asked
Jun 23, 2025
by
avibootz
cpp
cpp-execution
1
answer
85
views
How to calculate the center of a rectangle in C++
asked
Jun 22, 2025
by
avibootz
cpp
cpp-rectangle
1
answer
76
views
How to check if a point is inside a rectangle in C++
asked
Jun 21, 2025
by
avibootz
cpp
cpp-point
cpp-rectangle
2
answers
101
views
How to convert a byte array to a hex string in C++
asked
Jun 21, 2025
by
avibootz
cpp
cpp-byte-array
cpp-array
1
answer
102
views
How to print std::array elements in groups of 2 with C++
asked
Jun 20, 2025
by
avibootz
cpp
cpp-array
1
answer
94
views
How to print vector elements in groups of 2 with C++
asked
Jun 20, 2025
by
avibootz
cpp
cpp-vector
1
answer
101
views
How to print array elements in groups of 2 with C++
asked
Jun 20, 2025
by
avibootz
cpp
cpp-array
1
answer
106
views
How to multiply all the elements of a std::array in C++
asked
Jun 20, 2025
by
avibootz
cpp
cpp-array
1
answer
119
views
How to multiply all the elements of a vector in C++
asked
Jun 20, 2025
by
avibootz
cpp
cpp-vector
1
answer
116
views
How to multiply all the elements of an array in C++
asked
Jun 20, 2025
by
avibootz
cpp
cpp-array
2
answers
103
views
How to detect if a 32-bit or 64-bit architecture in C++
asked
Jun 20, 2025
by
avibootz
cpp
cpp-os
1
answer
109
views
How to detect if a 32-bit or 64-bit architecture using Win32 API in C++
asked
Jun 20, 2025
by
avibootz
cpp
win32
cpp-os
3
answers
99
views
How to declare a constant string in C++
asked
Jun 19, 2025
by
avibootz
cpp
cpp-constant
1
answer
66
views
How to format an integer with zero-padding in C++
asked
Jun 18, 2025
by
avibootz
cpp
cpp-padding
1
answer
65
views
How to find the average between RGB colors c1 and c2 in C++
asked
Jun 18, 2025
by
avibootz
cpp
cpp-color
2
answers
137
views
How to remove string trailing path separator in C++
asked
Jun 16, 2025
by
avibootz
cpp
cpp-string
1
answer
93
views
How to match the first word after an expression in a string using RegEx with C++
asked
Jun 14, 2025
by
avibootz
cpp
cpp-regex
2
answers
151
views
How to remove the trailing slashes from a string in C++
asked
Jun 13, 2025
by
avibootz
cpp
cpp-string
2
answers
140
views
How to remove all non-ASCII characters from a string in C++
asked
Jun 12, 2025
by
avibootz
cpp
cpp-string
cpp-ascii
2
answers
119
views
How to calculate the date six months from the current date in C++
asked
Jun 11, 2025
by
avibootz
cpp
cpp-date
1
answer
92
views
How to replace the characters !@#$%^*_+\= in a string using RegEx with C++
asked
Jun 11, 2025
by
avibootz
cpp
cpp-regex
1
answer
75
views
How to implement the power function in C++
asked
Jun 10, 2025
by
avibootz
cpp
cpp-pow
1
answer
81
views
How to implement an integer-based power function pow(int, int) in C++
asked
Jun 10, 2025
by
avibootz
cpp
cpp-pow
1
answer
115
views
How to find the first occurrence of a pattern in a string from some starting position in C++
asked
Jun 9, 2025
by
avibootz
cpp
cpp-string
1
answer
63
views
How to group Anagrams from an array of strings in C++
asked
Jun 9, 2025
by
avibootz
cpp
cpp-anagram
1
answer
93
views
How to duplicate a vector in C++
asked
Jun 9, 2025
by
avibootz
cpp
cpp-vector
1
answer
84
views
How to copy a vector to unordered_set in C++
asked
Jun 9, 2025
by
avibootz
cpp
cpp-vector
cpp-unordered_set
1
answer
108
views
How to draw a dotted line on a window using Win32 API in C++
asked
Jun 8, 2025
by
avibootz
win32
winapi
cpp
1
answer
84
views
How to check if date1 is before date2 in C++
asked
Jun 8, 2025
by
avibootz
cpp
cpp-date
1
answer
104
views
How to check if a string is blank (empty, null, or contains only whitespace) in C++
asked
Jun 7, 2025
by
avibootz
cpp
cpp-string
1
answer
102
views
How to replace consecutive characters with only one using RegEx in C++
asked
Jun 6, 2025
by
avibootz
cpp
cpp-regex
1
answer
95
views
How to get OS information on Unix-like systems with C++
asked
Jun 6, 2025
by
avibootz
cpp
cpp-os
2
answers
146
views
How to multiply two integers represented as strings and return the result also as a string in C++
asked
Jun 5, 2025
by
avibootz
cpp
cpp-multiply
1
answer
151
views
How to get the number of bytes of a variable in C++
asked
Jun 3, 2025
by
avibootz
cpp
cpp-byte
1
answer
158
views
How to get the current executable name in C++
asked
Jun 3, 2025
by
avibootz
cpp
cpp-exe
2
answers
214
views
How to sort each column of a matrix with strings in C++
asked
Jun 1, 2025
by
avibootz
cpp
cpp-matrix
cpp-sort
1
answer
133
views
How to fill a 3x3 grid to be a valid Sudoku grid in C++
asked
Jun 1, 2025
by
avibootz
cpp
cpp-sudoku
1
answer
156
views
How to calculate the future occurrences of Friday the 13th in C++
asked
May 31, 2025
by
avibootz
cpp
cpp-date
1
answer
168
views
How to check if a string contains only letters, numbers, underscores and dashes in C++
asked
May 31, 2025
by
avibootz
cpp
cpp-regex
1
answer
119
views
How to check if a 3x3 grid is a valid Sudoku grid in C++
asked
May 30, 2025
by
avibootz
cpp
cpp-sudoku
2
answers
211
views
How to rotate a matrix 90 degrees clockwise in C++
asked
May 29, 2025
by
avibootz
cpp
cpp-matrix
1
answer
271
views
How to check if a matrix columns contain numbers without repetition in C++
asked
May 28, 2025
by
avibootz
cpp
cpp-matrix
1
answer
233
views
How to sort a string with digits and letters (digits before letters) in C++
asked
May 25, 2025
by
avibootz
cpp
cpp-sort
cpp-string
1
answer
176
views
How to move the digits of a string with digits and letters to the beginning of the string in C++
asked
May 25, 2025
by
avibootz
cpp
cpp-string
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