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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
40,759
questions
53,131
answers
573
users
Recent questions tagged cpp
1
answer
124
views
How to get the number of bytes of a variable in C++
asked
Jun 3, 2025
by
avibootz
cpp
cpp-byte
1
answer
135
views
How to get the current executable name in C++
asked
Jun 3, 2025
by
avibootz
cpp
cpp-exe
2
answers
160
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
109
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
115
views
How to calculate the future occurrences of Friday the 13th in C++
asked
May 31, 2025
by
avibootz
cpp
cpp-date
1
answer
133
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
88
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
175
views
How to rotate a matrix 90 degrees clockwise in C++
asked
May 29, 2025
by
avibootz
cpp
cpp-matrix
1
answer
180
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
186
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
145
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
1
answer
162
views
How to sort a string with digits and letters (letters before digits) in C++
asked
May 25, 2025
by
avibootz
cpp
cpp-string
cpp-sort
1
answer
125
views
How to find repeated patterns of numbers in the rows of a matrix with C++
asked
May 25, 2025
by
avibootz
cpp
cpp-matrix
1
answer
138
views
How to convert a matrix of numbers to a string in C++
asked
May 24, 2025
by
avibootz
cpp
cpp-convert-matrix-numbers-to-string
convert-matrix-numbers-to-string
1
answer
138
views
How to find repeated rows of a matrix in C++
asked
May 23, 2025
by
avibootz
cpp
cpp-matrix
1
answer
225
views
How to check if a matrix rows contain numbers without repetition in C++
asked
May 22, 2025
by
avibootz
cpp
cpp-matrix
1
answer
142
views
How to find all unique combinations of numbers in a vector that sum to a target number in C++
asked
May 22, 2025
by
avibootz
cpp
cpp-array
1
answer
132
views
How to pass a runnable procedure (a function) as a parameter and run it in C++
asked
May 21, 2025
by
avibootz
cpp
cpp-function-parameter
1
answer
132
views
How to expose a read-only integer to the outside class while being writable inside a class with C++
asked
May 21, 2025
by
avibootz
cpp
cpp-read-only
4
answers
240
views
How to handle invalid argument in C++
asked
May 20, 2025
by
avibootz
cpp
cpp-argument
2
answers
145
views
How to allocate 1MB in C++
asked
May 19, 2025
by
avibootz
cpp
cpp-allocation
1
answer
115
views
How to stop a program in C++
asked
May 18, 2025
by
avibootz
cpp
1
answer
163
views
How to check if integer multiplication will overflow in C++
asked
May 18, 2025
by
avibootz
cpp
cpp-overflow
1
answer
163
views
How to compare calendar dates using the Win32 API in C++
asked
May 17, 2025
by
avibootz
win32
winapi
cpp
1
answer
136
views
What is the alternative to C UINT_MAX in C++
asked
May 17, 2025
by
avibootz
cpp
cpp-limits
1
answer
121
views
What is the alternative to C INT_MAX and INT_MIN in C++
asked
May 17, 2025
by
avibootz
cpp
cpp-limits
2
answers
136
views
How to check if integer addition will overflow in C++
asked
May 17, 2025
by
avibootz
cpp
cpp-overflow
1
answer
118
views
How to check whether a string is a palindrome, ignoring spaces and case in C++
asked
May 16, 2025
by
avibootz
cpp
cpp-palindrome
1
answer
127
views
How to declare a RegEx with character repetition to match the strings "http", "htttp", "httttp", etc in C++
asked
May 15, 2025
by
avibootz
cpp
cpp-regex
1
answer
121
views
How to round a floating-point number to an integer in C++
asked
May 14, 2025
by
avibootz
cpp
cpp-round
1
answer
212
views
How to find all double quote substrings in a string with C++
asked
May 13, 2025
by
avibootz
cpp
cpp-string
cpp-substring
cpp-regex
1
answer
177
views
How to combine a string with a dynamic double-quoted substring in C++
asked
May 12, 2025
by
avibootz
cpp
cpp-string
cpp-substring
1
answer
127
views
How to declare a string with double quote substrings in C++
asked
May 12, 2025
by
avibootz
cpp
cpp-string
cpp-substring
1
answer
132
views
How to find out if an item is present in a std::vector with C++
asked
May 11, 2025
by
avibootz
cpp
cpp-vector
2
answers
108
views
How to check if a double is NaN in C++
asked
May 11, 2025
by
avibootz
cpp
cpp-double
2
answers
141
views
How to check if a float is NaN in C++
asked
May 11, 2025
by
avibootz
cpp
cpp-float
2
answers
148
views
How to search insert position of K in a sorted vector with C++
asked
May 10, 2025
by
avibootz
cpp
cpp-vector
1
answer
134
views
How to print all command line arguments except the program name in C++
asked
May 8, 2025
by
avibootz
cpp
cpp-arguments
2
answers
111
views
How to use the clock as a random generator seed in C++
asked
May 7, 2025
by
avibootz
cpp
cpp-random
1
answer
218
views
How to use a vector to create a bitset-like structure in C++
asked
May 6, 2025
by
avibootz
cpp
cpp-bitset
cpp-vector
1
answer
131
views
How to create a bitset in C++
asked
May 6, 2025
by
avibootz
cpp
cpp-bitset
1
answer
108
views
How to remove a random word from a string in C++
asked
May 4, 2025
by
avibootz
cpp
cpp-string
1
answer
87
views
How to divide two integers without using multiplication, division, and mod operator in C++
asked
May 4, 2025
by
avibootz
cpp
cpp-divide
1
answer
159
views
How to use Regular Expressions to match a valid date in C++
asked
May 3, 2025
by
avibootz
cpp
cpp-regex
1
answer
130
views
How to convert a URL inside a string to a hyperlink in C++
asked
May 2, 2025
by
avibootz
cpp
cpp-string
1
answer
136
views
How to pop the first element of a deque in C++
asked
May 1, 2025
by
avibootz
cpp
cpp-deque
1
answer
134
views
How to pop the first element of an array in C++
asked
May 1, 2025
by
avibootz
cpp
cpp-array
1
answer
155
views
How to pop the first element of a vector in C++
asked
May 1, 2025
by
avibootz
cpp
cpp-vector
1
answer
121
views
How to pause execution for 5 seconds in C++
asked
Apr 29, 2025
by
avibootz
cpp
3
answers
131
views
How to break the outer loop in C++
asked
Apr 28, 2025
by
avibootz
cpp
cpp-loop
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