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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#
40,754
questions
53,119
answers
573
users
Recent questions tagged C#
1
answer
77
views
How to check if the last index of an array is reachable by jumping based on element values from index 0 in C#
asked
Dec 1, 2025
by
avibootz
c#
c#-last-index-array-jumping-by-elements-value
last-index-array-jumping-by-elements-value
1
answer
48
views
How to find two prime numbers that, when concatenated, form another prime number in C#
asked
Nov 28, 2025
by
avibootz
c#
c#-prime-concatenate
prime-concatenate
1
answer
56
views
How to generate an N-digit integer random number in C#
asked
Nov 27, 2025
by
avibootz
c#
c#-n-digit-integer-random
n-digit-integer-random
1
answer
49
views
How to select random two digits from anywhere in a number with C#
asked
Nov 26, 2025
by
avibootz
c#
c#-random-two-anywhere-digits
random-two-anywhere-digits
1
answer
35
views
How to select random two consecutive digits from a number in C#
asked
Nov 25, 2025
by
avibootz
c#
c#-random-two-consecutive-digits
random-two-consecutive-digits
1
answer
51
views
How to convert a degree to a compass direction in C#
asked
Nov 24, 2025
by
avibootz
c#
c#-degree-compass-direction
degree-compass-direction
1
answer
50
views
How to calculate the sum of all Fibonacci numbers between two left and right indices in C#
asked
Nov 23, 2025
by
avibootz
c#
c#-sum-fibonacci-numbers
sum-fibonacci-numbers
1
answer
67
views
How to generate all possible permutations and combinations of an array of chars in C#
asked
Nov 21, 2025
by
avibootz
c#
c#-array-all-permutations-combinations
all-permutations-combinations
1
answer
73
views
How to generate all possible permutations and combinations of a list of chars in C#
asked
Nov 21, 2025
by
avibootz
c#
c#-list-all-permutations-combinations
all-permutations-combinations
1
answer
57
views
How to find the first 4-digit prime number where all digits are unique in C#
asked
Nov 20, 2025
by
avibootz
c#
c#-4-digit-prime-unique
4-digit-prime-unique
1
answer
43
views
How to calculate the length of legB and hypotenuse of a right-angle triangle with a given perimeter and legA in C#
asked
Nov 19, 2025
by
avibootz
c#
c#-right-angle-triangle
right-angle-triangle
1
answer
77
views
How to generate a random integer from a range [0, N] that is not in a unique integer list with C#
asked
Nov 19, 2025
by
avibootz
c#
c#-random
c#-random-excluding-list
random-excluding-list
1
answer
56
views
How to replace all occurrences of a specific digit in a floating-point number with C#
asked
Nov 18, 2025
by
avibootz
c#
c#-replace-all-occurrences-digit-float
replace-all-occurrences-digit-float
1
answer
61
views
How to replace a digit in a floating-point number by index with C#
asked
Nov 17, 2025
by
avibootz
c#
c#-replace-digit-float
replace-digit-float
1
answer
47
views
How to check whether each substring range (L to R) from an array of substring ranges is a palindrome in C#
asked
Nov 16, 2025
by
avibootz
c#
c#-substring-range-palindrome
substring-range-palindrome
1
answer
75
views
How to convert a list of strings and group all the anagrams into sublists in C#
asked
Nov 15, 2025
by
avibootz
c#
c#-list-anagram
group-anagrams
1
answer
56
views
How to get all the substrings with exactly k distinct characters from a given string in C#
asked
Nov 13, 2025
by
avibootz
c#
c#-substring
c#-string
substrings-with-k-distinct-characters
1
answer
70
views
How to find the Kth smallest number in an unsorted array with C#
asked
Nov 11, 2025
by
avibootz
c#
c#-find-array
1
answer
47
views
How to find a list of numbers up to a limit that is a palindrome in base 10 and base 2 in C#
asked
Nov 10, 2025
by
avibootz
c#
c#-bouble-base-palindrome
1
answer
48
views
How to find all the numbers that are equal to the sum of the factorials of their digits in C#
asked
Nov 9, 2025
by
avibootz
c#
c#-numbers
c#-factorials
1
answer
49
views
How to find the numbers that are the sum of fifth powers of their digits in C#
asked
Nov 9, 2025
by
avibootz
c#
c#-numbers
c#-fifth-power
1
answer
54
views
How to find the floor and ceiling of the value N in an unsorted list with C#
asked
Nov 8, 2025
by
avibootz
c#
c#-list
c#-ceil
c#-floor
1
answer
78
views
How to write a recursive function to generate all permutations of a string in C#
asked
Nov 5, 2025
by
avibootz
c#
c#-string
c#-recursion
1
answer
58
views
How to use BitArray to set and find set bits indexes in C#
asked
Nov 3, 2025
by
avibootz
c#
c#-bits
1
answer
66
views
How to generate random floating point numbers in C#
asked
Nov 2, 2025
by
avibootz
c#
c#-generate-random-floating-point-numbers
generate-random-floating-point-numbers
1
answer
72
views
How to count words in a string with punctuation in C#
asked
Nov 2, 2025
by
avibootz
c#
c#-string
1
answer
47
views
How to round a number to the nearest power of 2 in C#
asked
Oct 31, 2025
by
avibootz
c#
c#-round
1
answer
45
views
How to round a number to the previous power of 2 in C#
asked
Oct 30, 2025
by
avibootz
c#
c#-round
1
answer
57
views
How to round a number to the next power of 2 in C#
asked
Oct 29, 2025
by
avibootz
c#
c#-round
1
answer
45
views
How to check if a word is all uppercase or lowercase or capitalized in C#
asked
Oct 27, 2025
by
avibootz
c#
c#-word
1
answer
54
views
How to swap all odd and even bits in C#
asked
Oct 25, 2025
by
avibootz
c#
c#-bits
1
answer
41
views
How to find the digit previous to a given digit in a number with C#
asked
Oct 21, 2025
by
avibootz
c#
c#-digits
1
answer
40
views
How to find the digit next to a given digit in a number with C#
asked
Oct 18, 2025
by
avibootz
c#
c#-digits
1
answer
70
views
How to add a range of elements of a list to another list at a specific position in C#
asked
Oct 17, 2025
by
avibootz
c#
c#-array
c#-range
1
answer
52
views
How to add the first element of a list to another list in C#
asked
Oct 16, 2025
by
avibootz
c#
c#-list
1
answer
53
views
How to add all the elements of a list to another list in C#
asked
Oct 16, 2025
by
avibootz
c#
c#-list
1
answer
48
views
How to calculate the Euclidean distance between two points in C#
asked
Oct 12, 2025
by
avibootz
c#
c#-euclidean-distance
1
answer
70
views
How to remove duplicates from a stack in C#
asked
Oct 11, 2025
by
avibootz
c#
c#-stack
c#-remove
1
answer
59
views
How to initialize a stack with random numbers in C#
asked
Oct 11, 2025
by
avibootz
c#
c#-random
c#-stack
1
answer
55
views
How to generate a random HEX RGB color code in C#
asked
Oct 9, 2025
by
avibootz
c#
c#-rgb
c#-random
1
answer
51
views
How to generate a random RGB color code in C#
asked
Oct 9, 2025
by
avibootz
c#
c#-random
c#-rgb
1
answer
58
views
How to search for a number in a sorted matrix in C#
asked
Oct 7, 2025
by
avibootz
c#
c#-matrix
c#-search
1
answer
62
views
How to check whether a matrix is a square matrix in C#
asked
Oct 7, 2025
by
avibootz
c#
c#-matrix
1
answer
63
views
How to calculate the median of a matrix in C#
asked
Oct 5, 2025
by
avibootz
c#
c#-matrix
c#-median
1
answer
70
views
How to find a common element in all rows of a given matrix with sorted rows in C#
asked
Oct 3, 2025
by
avibootz
c#
c#-matrix
1
answer
62
views
How to get matrix size in c#
asked
Oct 1, 2025
by
avibootz
c#
c#-matrix
1
answer
56
views
How to count the number of sorted rows in either increasing or decreasing order in a matrix using C#
asked
Oct 1, 2025
by
avibootz
c#
c#-matrix
1
answer
57
views
How to check whether a matrix is a magic square or not in C#
asked
Sep 30, 2025
by
avibootz
c#
c#-matrix
2
answers
83
views
How to check whether a string can be segmented into a sequence of words from a dictionary in C#
asked
Sep 28, 2025
by
avibootz
c#
c#-string
1
answer
73
views
How to reverse a word in a string with C#
asked
Sep 26, 2025
by
avibootz
c#
c#-string
c#-reverse
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