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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
42,623
questions
55,358
answers
573
users
Recent questions tagged SWIFT
1
answer
95
views
How to find a pair with maximum product from int array in Swift
asked
Dec 26, 2025
by
avibootz
swift
swift-pair-maximum-product-array
pair-maximum-product-array
1
answer
85
views
How to reverse the middle words of a string in Swift
asked
Dec 25, 2025
by
avibootz
swift
swift-reverse-middle-words-string
reverse-middle-words-string
1
answer
104
views
How to check if the sum of two halves of a number is equal in Swift
asked
Dec 23, 2025
by
avibootz
swift
swift-sum-two-halves-number-equal
sum-two-halves-number-equal
1
answer
95
views
How to check if two halves of a number are equal in Swift
asked
Dec 22, 2025
by
avibootz
swift
swift-two-halves-number-equal
two-halves-number-equal
1
answer
85
views
How to check if two equal-length strings are at least 50% equal in Swift
asked
Dec 21, 2025
by
avibootz
swift
swift-two-equal-length-strings-at-least-50-percent-equal
two-equal-length-strings-at-least-50-percent-equal
2
answers
89
views
How to check if two strings are isomorphic in Swift
asked
Dec 19, 2025
by
avibootz
swift
swift-check-two-strings-isomorphic
check-two-strings-isomorphic
1
answer
89
views
How to remove text between parentheses in a string using Swift
asked
Dec 18, 2025
by
avibootz
swift
swift-remove-text-between-parentheses-in-string
remove-text-between-parentheses-in-string
1
answer
92
views
How to calculate the area of a triangle using Heron’s formula in Swift
asked
Dec 15, 2025
by
avibootz
swift
swift-area-triangle-herons-formula
area-triangle-herons-formula
1
answer
95
views
How to get the number of the day from the beginning of the year to a given date in Swift
asked
Dec 13, 2025
by
avibootz
swift
swift-number-day-beginning-year
number-day-beginning-year
1
answer
84
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
89
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
87
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
89
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
86
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
89
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
104
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
92
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
78
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
109
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
80
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
80
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
96
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
159
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
87
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
98
views
How to inverse N x M matrix in Swift
asked
Nov 23, 2025
by
avibootz
swift
swift-inverse-matrix
inverse-matrix
1
answer
88
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
94
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
96
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
98
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
85
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
124
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
93
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
85
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
132
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
89
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
98
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
120
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
120
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
90
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
100
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
87
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
97
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
108
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
113
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
80
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
109
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
134
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
112
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
90
views
How to pass a nested struct to a function in Swift
asked
Nov 1, 2025
by
avibootz
swift
swift-struct
1
answer
111
views
How to round a number to the nearest power of 2 in Swift
asked
Oct 31, 2025
by
avibootz
swift
swift-round
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