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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 c
40,023
questions
51,974
answers
573
users
Recent questions tagged c
1
answer
82
views
How to mirror a matrix across the main diagonal in C
asked
Aug 27, 2025
by
avibootz
c
c-matrix
1
answer
70
views
How to combine 2 arrays of structs (as a map) into a third array in C
asked
Aug 25, 2025
by
avibootz
c
c-array
1
answer
59
views
How to create a queue, then enqueue and dequeue elements in C
asked
Aug 22, 2025
by
avibootz
c
c-queue
2
answers
67
views
How to assign a random number using a cryptographically secure random number generator in C
asked
Aug 20, 2025
by
avibootz
c
c-random
1
answer
74
views
How to find the length of the longest consecutive sequence of an unsorted vector of integers in C
asked
Aug 18, 2025
by
avibootz
c
c-sequence
c-consecutive-sequence
c-array
1
answer
59
views
How to convert an integer to a string in base b with C
asked
Aug 17, 2025
by
avibootz
c
c-convert
1
answer
63
views
How to write "Ni Hao" ("Hello") in Chinese to standard output using UTF-8 in C
asked
Aug 14, 2025
by
avibootz
c
c-utf8
1
answer
51
views
How to sort the part of an array in C
asked
Aug 12, 2025
by
avibootz
c
c-array
1
answer
70
views
How to generate N pairs of random digits in C
asked
Aug 11, 2025
by
avibootz
c
c-random
1
answer
56
views
How to check if a string is a palindrome ignoring case and non-alphanumeric characters in C
asked
Aug 9, 2025
by
avibootz
c
c-palindrome
1
answer
78
views
How to allocate, fill, print, and deallocate a 2D array in C
asked
Aug 8, 2025
by
avibootz
c
c-deallocate
c-array
c-allocate
1
answer
53
views
How to deallocate a 2D array in C
asked
Aug 8, 2025
by
avibootz
c
c-array
c-deallocate
1
answer
78
views
How to convert binary digits to a byte array in C
asked
Aug 4, 2025
by
avibootz
c
c-byte-array
c-binary
2
answers
99
views
How to check if floating point is NaN in C
asked
Aug 3, 2025
by
avibootz
c
c-nan
c-floating-point
1
answer
56
views
How to get the row of Pascal triangle given an integer rowIndex in C
asked
Aug 3, 2025
by
avibootz
c
c-pascal-triangle
1
answer
52
views
How to calculate power for large numbers in C
asked
Aug 2, 2025
by
avibootz
c
c-power
1
answer
58
views
How to sum the digits of the number 2^N in C
asked
Aug 1, 2025
by
avibootz
c
c-power-digits-sum
2
answers
77
views
How to declare a function argument that can accept any type in C
asked
Jul 31, 2025
by
avibootz
c
c-argument
1
answer
60
views
How to set specific bits in a char with C
asked
Jul 30, 2025
by
avibootz
c
c-bits
3
answers
93
views
How to extract a float from a string in C
asked
Jul 28, 2025
by
avibootz
c
c-string
c-extract
1
answer
70
views
How to create a string with a repeated character N times in C
asked
Jul 27, 2025
by
avibootz
c
c-string
1
answer
72
views
How to check if an integer contains an even or odd number of bits set in C
asked
Jul 27, 2025
by
avibootz
c
c-bits
1
answer
55
views
How to find the sign of a variable in C
asked
Jul 24, 2025
by
avibootz
c
c-sign
1
answer
52
views
How to replace multiple consecutive question marks (?) with a single question mark in C
asked
Jul 24, 2025
by
avibootz
c
c-replace
1
answer
65
views
How to format time hours-minutes-seconds in C
asked
Jul 22, 2025
by
avibootz
c
c-time
1
answer
69
views
How to split a string with multiple separators in C
asked
Jul 21, 2025
by
avibootz
c
c-string
1
answer
105
views
How to replace the first occurrence of a substring in a string with C
asked
Jul 20, 2025
by
avibootz
c
c-substring
1
answer
56
views
How to count backwards (Print the numbers N, N - 1, ..., 0 (included)) in C
asked
Jul 20, 2025
by
avibootz
c
c-loop
1
answer
61
views
How to resize a string with realloc() in C
asked
Jul 19, 2025
by
avibootz
c
c-malloc
c-realloc
1
answer
61
views
How to reverse a string in place in C
asked
Jul 19, 2025
by
avibootz
c
c-string
1
answer
67
views
How to extract a substring within 2 square brackets in C
asked
Jul 19, 2025
by
avibootz
c
c-substring
1
answer
76
views
How to remove stop words from a string in C
asked
Jul 17, 2025
by
avibootz
c
c-string
2
answers
73
views
How to find the 100001 prime number in C
asked
Jul 16, 2025
by
avibootz
c
c-prime
1
answer
64
views
How to convert multiple <br/> tags to a single <br/> tag in C
asked
Jul 14, 2025
by
avibootz
c
c-string
3
answers
74
views
How to assign multiple values to multiple variables in one line with C
asked
Jul 14, 2025
by
avibootz
c
c-variable
1
answer
55
views
How to create the gray code of the decimal number 2 in C
asked
Jul 13, 2025
by
avibootz
c
c-gray-code
1
answer
60
views
How to convert double to unsigned long in C
asked
Jul 12, 2025
by
avibootz
c
c-convert
1
answer
68
views
How to convert unsigned short to float in C
asked
Jul 12, 2025
by
avibootz
c
c-convert
1
answer
61
views
How to XOR byte arrays in C
asked
Jul 12, 2025
by
avibootz
c
c-xor
1
answer
73
views
How to check if a string includes $sometext$ without numbers in C
asked
Jul 11, 2025
by
avibootz
c
c-string
1
answer
79
views
How to remove the letters from word1 if they do not exist in word2 with C
asked
Jul 9, 2025
by
avibootz
c
c-string
1
answer
81
views
How to remove the letters from word1 if they exist in word2 with C
asked
Jul 8, 2025
by
avibootz
c
c-string
1
answer
68
views
How to get intersection of two strings in C
asked
Jul 6, 2025
by
avibootz
c
c-string
c-intersection
1
answer
74
views
How to create an array containing all elements that are included in both other two arrays in C
asked
Jul 6, 2025
by
avibootz
c
c-array
1
answer
68
views
How to pad a string on both sides in C
asked
Jul 5, 2025
by
avibootz
c
c-string
1
answer
85
views
How to find the minimum substring of string s1 that includes every character of string s2 in C
asked
Jul 5, 2025
by
avibootz
c
c-string
c-substring
c-minimum-substring
minimum-substring
2
answers
83
views
How to sort an array of repeated integers with C
asked
Jul 5, 2025
by
avibootz
c
c-array
c-sort
1
answer
56
views
How to pad a string on the left in C
asked
Jul 4, 2025
by
avibootz
c
c-string
1
answer
65
views
How to pad a string on the right in C
asked
Jul 3, 2025
by
avibootz
c
c-string
2
answers
82
views
How to get the current runtime version in C
asked
Jul 2, 2025
by
avibootz
c
c-runtime
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