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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 SWIFT
41,677
questions
54,342
answers
573
users
Recent questions tagged SWIFT
1
answer
70
views
How to move all special characters to the beginning of a string in Swift
asked
Dec 12, 2025
by
avibootz
swift
swift-move-special-characters-beginning-string
move-special-characters-beginning-string
1
answer
77
views
How to find the missing number in a list containing numbers from 1 to n in O(1) time complexity with Swift
asked
Dec 11, 2025
by
avibootz
swift
swift-missing-number-array-o1-time-complexity
missing-number-array-o1-time-complexity
1
answer
73
views
How to convert Base64 to a JSON string in Swift
asked
Dec 8, 2025
by
avibootz
swift
swift-base64-to-json-string
base64-to-json-string
1
answer
80
views
How to calculate time if we have the distance and speed (kilometers per hour) in Swift
asked
Dec 6, 2025
by
avibootz
swift
swift-calculate-time-distance-speed
calculate-time-distance-speed
1
answer
73
views
How to get the absolute value of a number in Swift
asked
Dec 5, 2025
by
avibootz
swift
swift-absolute-value
absolute-value
1
answer
79
views
How to shift letters in a string x times by giving a slice of shifts in Swift
asked
Dec 4, 2025
by
avibootz
swift
swift-shift-letters-string-array-shifts
shift-letters-string-array-shifts
1
answer
92
views
How to convert a Roman number to an integer in Swift
asked
Dec 3, 2025
by
avibootz
swift
swift-roman-integer
roman-integer
1
answer
80
views
How to format an array of strings in lines with maxWidth without breaking the words in Swift
asked
Dec 2, 2025
by
avibootz
swift
swift-format-array-strings-lines-maxwidth
format-array-strings-lines-maxwidth
1
answer
64
views
How to convert an integer to Roman numerals in Swift
asked
Dec 2, 2025
by
avibootz
swift
swift-integer-roman-numerals
integer-roman-numerals
1
answer
95
views
How to check if the last index of an array is reachable by jumping based on element values from index 0 in Swift
asked
Dec 1, 2025
by
avibootz
swift
swift-last-index-array-jumping-by-elements-value
last-index-array-jumping-by-elements-value
1
answer
67
views
How to merge two sorted arrays in Swift
asked
Nov 30, 2025
by
avibootz
swift
swift-merge-two-sorted-arrays
merge-two-sorted-arrays
1
answer
65
views
How to find two prime numbers that, when concatenated, form another prime number in Swift
asked
Nov 28, 2025
by
avibootz
swift
swift-prime-concatenate
prime-concatenate
1
answer
81
views
How to generate an N-digit integer random number in Swift
asked
Nov 27, 2025
by
avibootz
swift
swift-n-digit-integer-random
n-digit-integer-random
1
answer
95
views
How to select random two consecutive digits from a number in Swift
asked
Nov 26, 2025
by
avibootz
swift
swift-random-two-consecutive-digits
random-two-consecutive-digits
1
answer
81
views
How to convert a degree to a compass direction in Swift
asked
Nov 24, 2025
by
avibootz
swift
swift-degree-compass-direction
degree-compass-direction
1
answer
86
views
How to inverse N x M matrix in Swift
asked
Nov 23, 2025
by
avibootz
swift
swift-inverse-matrix
inverse-matrix
1
answer
80
views
How to calculate the sum of all Fibonacci numbers between two left and right indices in Swift
asked
Nov 23, 2025
by
avibootz
swift
swift-sum-fibonacci-numbers
sum-fibonacci-numbers
1
answer
81
views
How to initialize a matrix with random characters in Swift
asked
Nov 22, 2025
by
avibootz
swift
swift-matrix-random-characters
matrix-random-characters
1
answer
88
views
How to create an M x N matrix with random numbers in Swift
asked
Nov 22, 2025
by
avibootz
swift
swift-matrix-random-numbers
matrix-random-numbers
1
answer
92
views
How to generate all possible permutations and combinations of an array of chars in Swift
asked
Nov 22, 2025
by
avibootz
swift
swift-array-all-permutations-combinations
all-permutations-combinations
1
answer
73
views
How to find the first 4-digit prime number where all digits are unique in Swift
asked
Nov 21, 2025
by
avibootz
swift
swift-4-digit-prime-unique
4-digit-prime-unique
1
answer
106
views
How to generate a random integer from a range [0, N] that is not in a unique integer list with Swift
asked
Nov 19, 2025
by
avibootz
swift
swift-random
swift-random-excluding-list
random-excluding-list
1
answer
80
views
How to replace all occurrences of a specific digit in a floating-point number with Swift
asked
Nov 18, 2025
by
avibootz
swift
swift-replace-all-occurrences-digit-float
replace-all-occurrences-digit-float
1
answer
73
views
How to calculate an angle of a right triangle given opposite and hypotenuse in Swift
asked
Nov 18, 2025
by
avibootz
swift
swift-right-triangle-angle
right-triangle-angle
1
answer
116
views
How to replace a digit in a floating-point number by index with Swift
asked
Nov 17, 2025
by
avibootz
swift
swift-replace-digit-float
replace-digit-float
1
answer
77
views
How to check whether each substring range (L to R) from an array of substring ranges is a palindrome in Swift
asked
Nov 17, 2025
by
avibootz
swift
swift-substring-range-palindrome
substring-range-palindrome
1
answer
87
views
How to convert an array of strings and group all the anagrams into subarrays in Swift
asked
Nov 15, 2025
by
avibootz
swift
swift-array-anagram
group-anagrams
1
answer
96
views
How to get all the substrings with exactly k distinct characters from a given string in Swift
asked
Nov 14, 2025
by
avibootz
swift
swift-substring
swift-string
substrings-with-k-distinct-characters
1
answer
110
views
How to check if two strings are anagram (same letters different words) in Swift
asked
Nov 13, 2025
by
avibootz
swift
swift-string-anagram
string-anagram
1
answer
73
views
How to find the Kth smallest number in an unsorted array in Swift
asked
Nov 12, 2025
by
avibootz
swift
swift-find-array
1
answer
86
views
How to find a list of numbers up to a limit that is a palindrome in base 10 and base 2 in Swift
asked
Nov 11, 2025
by
avibootz
swift
swift-bouble-base-palindrome
1
answer
69
views
How to check if a number is circular prime (cyclically rotate left will also be prime) in Swift
asked
Nov 10, 2025
by
avibootz
swift
swift-circular-prime
1
answer
86
views
How to find all the numbers that are equal to the sum of the factorials of their digits in Swift
asked
Nov 10, 2025
by
avibootz
swift
swift-numbers
swift-factorials
1
answer
98
views
How to find the numbers that are the sum of fifth powers of their digits in Swift
asked
Nov 9, 2025
by
avibootz
swift
swift-numbers
swift-fifth-power
1
answer
94
views
How to find the floor and ceiling of the value N in an unsorted array with Swift
asked
Nov 8, 2025
by
avibootz
swift
swift-array
swift-ceil
swift-floor
1
answer
68
views
How to find the longest increasing not sorted subsequence (LIS) of a sequence of numbers in Swift
asked
Nov 7, 2025
by
avibootz
swift
swift-subsequence
1
answer
92
views
How to write a recursive function to generate all permutations of a string in Swift
asked
Nov 6, 2025
by
avibootz
swift
swift-recursion
1
answer
119
views
How to set specific bits and find the set bits indexes in Swift
asked
Nov 4, 2025
by
avibootz
swift
swift-bits
1
answer
96
views
How to generate random floating point numbers in Swift
asked
Nov 3, 2025
by
avibootz
swift
swift-generate-random-floating-point-numbers
generate-random-floating-point-numbers
1
answer
78
views
How to pass a nested struct to a function in Swift
asked
Nov 1, 2025
by
avibootz
swift
swift-struct
1
answer
89
views
How to round a number to the nearest power of 2 in Swift
asked
Oct 31, 2025
by
avibootz
swift
swift-round
1
answer
78
views
How to round a number to the previous power of 2 in Swift
asked
Oct 30, 2025
by
avibootz
swift
swift-round
1
answer
95
views
How to round a number to the next power of 2 in Swift
asked
Oct 29, 2025
by
avibootz
swift
swift-round
1
answer
83
views
How to check if a word is all uppercase or lowercase or capitalized in Swift
asked
Oct 28, 2025
by
avibootz
swift
swift-word
1
answer
72
views
How to swap all odd and even bits in Swift
asked
Oct 26, 2025
by
avibootz
swift
swift-bits
1
answer
78
views
How to pass a struct to a function in Swift
asked
Oct 23, 2025
by
avibootz
swift
swift-function-parameter
swift-struct
1
answer
78
views
How to rotate array elements left N times in Swift
asked
Oct 23, 2025
by
avibootz
swift
swift-array
1
answer
78
views
How to find the digit previous to a given digit in a number with Swift
asked
Oct 22, 2025
by
avibootz
swift
swift-digits
1
answer
76
views
How to find the digit next to a given digit in a number with Swift
asked
Oct 19, 2025
by
avibootz
swift
swift-digits
1
answer
104
views
How to add a range of elements of an array to another array at a specific position in Swift
asked
Oct 17, 2025
by
avibootz
swift
swift-array
swift-range
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