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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.
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Recent questions tagged cpp
40,695
questions
53,044
answers
573
users
Recent questions tagged cpp
1
answer
57
views
How to find the largest rectangle containing only 1's in a matrix and return its area in C++
asked
Nov 29, 2025
by
avibootz
cpp
cpp-largest-rectangle-matrix
largest-rectangle-matrix
1
answer
63
views
How to find two prime numbers that, when concatenated, form another prime number in C++
asked
Nov 28, 2025
by
avibootz
cpp
cpp-prime-concatenate
prime-concatenate
1
answer
53
views
How to generate an N-digit integer random number in C++
asked
Nov 27, 2025
by
avibootz
cpp
cpp-n-digit-integer-random
n-digit-integer-random
1
answer
69
views
How to select random two digits from anywhere in a number with C++
asked
Nov 25, 2025
by
avibootz
cpp
cpp-random-two-anywhere-digits
random-two-anywhere-digits
1
answer
44
views
How to select random two consecutive digits from a number in C++
asked
Nov 25, 2025
by
avibootz
cpp
cpp-random-two-consecutive-digits
random-two-consecutive-digits
2
answers
56
views
How to select random three digits from anywhere in a 6-digit number in C++
asked
Nov 25, 2025
by
avibootz
cpp
cpp-random-three-anywhere-digits
random-three-anywhere-digits
1
answer
53
views
How to select random three consecutive digits from a 6-digit number in C++
asked
Nov 25, 2025
by
avibootz
cpp
cpp-random-three-consecutive-digits
random-three-consecutive-digits
1
answer
49
views
How to select the last three digits from a 6-digit number in C++
asked
Nov 25, 2025
by
avibootz
cpp
cpp-last-three-digits
last-three-digits
1
answer
60
views
How to select the first three digits from a 6-digit number in C++
asked
Nov 25, 2025
by
avibootz
cpp
cpp-first-three-digits
first-three-digits
1
answer
53
views
How to initialize a vector with characters from a C-string in C++
asked
Nov 24, 2025
by
avibootz
cpp
cpp-initialize-vector-characters-c-string
initialize-vector-characters-c-string
2
answers
54
views
How to initialize a vector with characters in C++
asked
Nov 24, 2025
by
avibootz
cpp
cpp-initialize-vector-characters
initialize-vector-characters
1
answer
58
views
How to convert a degree to a compass direction in C++
asked
Nov 23, 2025
by
avibootz
cpp
cpp-degree-compass-direction
degree-compass-direction
2
answers
68
views
How to calculate the sum of all Fibonacci numbers between two left and right indices in C++
asked
Nov 22, 2025
by
avibootz
cpp
cpp-sum-fibonacci-numbers
sum-fibonacci-numbers
2
answers
55
views
How to create an m x n grid of random characters in C++
asked
Nov 22, 2025
by
avibootz
cpp
cpp-grid-random-characters
grid-random-characters
1
answer
84
views
How to generate all possible permutations and combinations of a vector of chars in C++
asked
Nov 20, 2025
by
avibootz
cpp
cpp-vector-all-permutations-combinations
all-permutations-combinations
1
answer
61
views
How to find the first 4-digit prime number where all digits are unique in C++
asked
Nov 20, 2025
by
avibootz
cpp
cpp-4-digit-prime-unique
4-digit-prime-unique
1
answer
63
views
How to write an equivalent to PHP explode(string $separator, string $string, int $limit = INT_MAX): array in C++
asked
Nov 19, 2025
by
avibootz
cpp
cpp-explode
php-explode-cpp
explode-function
3
answers
96
views
How to generate a random integer from a range [0, N] that is not in a unique integer list with C++
asked
Nov 18, 2025
by
avibootz
cpp
cpp-random
cpp-random-excluding-list
random-excluding-list
1
answer
57
views
How to replace all occurrences of a specific digit in a floating-point number with C++
asked
Nov 17, 2025
by
avibootz
cpp
cpp-replace-all-occurrences-digit-float
replace-all-occurrences-digit-float
1
answer
68
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 17, 2025
by
avibootz
cpp
cpp-right-angle-triangle
right-angle-triangle
1
answer
78
views
How to replace a digit in a floating-point number by index with C++
asked
Nov 16, 2025
by
avibootz
cpp
cpp-replace-digit-float
replace-digit-float
3
answers
76
views
How to extract the first digit from a floating-point number in C++
asked
Nov 16, 2025
by
avibootz
cpp
cpp-extract-first-digit-floating-point
extract-first-digit-floating-point
2
answers
63
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
cpp
cpp-substring-range-palindrome
substring-range-palindrome
1
answer
71
views
How to write an equivalent to PHP count_chars(string $string, int $mode = 0): array|string function in C++
asked
Nov 16, 2025
by
avibootz
cpp
cpp-count-chars
php-count-chars-cpp
count-chars
1
answer
65
views
How to convert a vector of strings and group all the anagrams into subvectors in C++
asked
Nov 14, 2025
by
avibootz
cpp
cpp-vector-anagram
group-anagrams
1
answer
78
views
How to get all the substrings with exactly k distinct characters from a given string in C++
asked
Nov 12, 2025
by
avibootz
cpp
cpp-substring
cpp-string
substrings-with-k-distinct-characters
1
answer
57
views
How to find the K smallest numbers in an unsorted vector with C++
asked
Nov 12, 2025
by
avibootz
cpp
cpp-find-vector
1
answer
73
views
How to find the Kth smallest number in an unsorted array with C++
asked
Nov 11, 2025
by
avibootz
cpp
cpp-find-array
1
answer
51
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
cpp
cpp-bouble-base-palindrome
1
answer
56
views
How to calculate the full number from a percentage of a number in C++
asked
Nov 9, 2025
by
avibootz
cpp
cpp-percentage
1
answer
56
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
cpp
cpp-numbers
cpp-factorials
1
answer
57
views
How to find the numbers that are the sum of fifth powers of their digits in C++
asked
Nov 8, 2025
by
avibootz
cpp
cpp-numbers
cpp-fifth-power
1
answer
62
views
How to find the numbers that are the sum of fourth powers of their digits in C++
asked
Nov 8, 2025
by
avibootz
cpp
cpp-numbers
cpp-fourth-power
2
answers
59
views
How to find the name of the calling function in C++
asked
Nov 7, 2025
by
avibootz
cpp
cpp-function-name
1
answer
75
views
How to find the floor and ceiling of the value N in an unsorted vector with C++
asked
Nov 7, 2025
by
avibootz
cpp
cpp-vector
cpp-floor
cpp-ceil
2
answers
68
views
The smallest number that divide in 13, 15, and 17 with C++
asked
Nov 5, 2025
by
avibootz
cpp
cpp-divide
1
answer
53
views
How to find the smallest prime number that is greater than 1000 in C++
asked
Nov 5, 2025
by
avibootz
cpp
cpp-prime
1
answer
71
views
How to write a recursive function to generate all permutations of a string in C++
asked
Nov 4, 2025
by
avibootz
cpp
cpp-string
cpp-recursion
1
answer
70
views
How to use bitset with _Find_first() and _Find_next() to find set bits indexes in C++
asked
Nov 3, 2025
by
avibootz
cpp
cpp-bits
1
answer
58
views
How to multiply two vectors in C++
asked
Nov 3, 2025
by
avibootz
cpp
cpp-vector
1
answer
59
views
How to generate random floating point numbers in C++
asked
Nov 2, 2025
by
avibootz
cpp
cpp-generate-random-floating-point-numbers
generate-random-floating-point-numbers
1
answer
72
views
How to get random N rows from a 2D array in C++
asked
Nov 2, 2025
by
avibootz
cpp
cpp-random
cpp-array
1
answer
65
views
How to count words in a string with punctuation in C++
asked
Nov 2, 2025
by
avibootz
cpp
cpp-string
1
answer
52
views
How to create an unsigned long bitset in C++
asked
Nov 1, 2025
by
avibootz
cpp
cpp-bitset
1
answer
61
views
How to convert a bitset into an unsigned long in C++
asked
Nov 1, 2025
by
avibootz
cpp
cpp-bitset
1
answer
45
views
How to take input from the user in a map with C++
asked
Nov 1, 2025
by
avibootz
cpp
cpp-map
2
answers
67
views
How to create a timezone converter form Local to other timezones in C++
asked
Nov 1, 2025
by
avibootz
cpp
cpp-timezone
cpp-converter
2
answers
67
views
How to round a number to the nearest power of 2 in C++
asked
Oct 29, 2025
by
avibootz
cpp
cpp-round
2
answers
64
views
How to round a number to the previous power of 2 in C++
asked
Oct 28, 2025
by
avibootz
cpp
cpp-round
2
answers
57
views
How to round a number to the next power of 2 in C++
asked
Oct 28, 2025
by
avibootz
cpp
cpp-round
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