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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
40,711
questions
53,063
answers
573
users
Recent questions tagged cpp
3
answers
43
views
How to check if a string contains only 0 and 1 and is divisible by 7 in C++
asked
Feb 28
by
avibootz
cpp
cpp-string-contains-only-0-and-1-is-divisible-by-7
string-contains-only-0-and-1-is-divisible-by-7
1
answer
35
views
How to check if a string contains only 0 and 1 in C++
asked
Feb 28
by
avibootz
cpp
cpp-string-contains-only-0-and-1
string-contains-only-0-and-1
1
answer
29
views
How to check if a string contains only 0 and 1 using RegEx in C++
asked
Feb 28
by
avibootz
cpp
cpp-regex
cpp-string-contains-only-0-and-1-regex
string-contains-only-0-and-1-regex
3
answers
40
views
How to check if every digit in a number appears only once in C++
asked
Feb 25
by
avibootz
cpp
cpp-check-digits-number-appears-once
check-digits-number-appears-once
1
answer
37
views
How to check if a number is pandigital in C++
asked
Feb 25
by
avibootz
cpp
cpp-check-number-pandigitaln
check-number-pandigitaln
2
answers
35
views
How to convert an int to scientific notation in C++
asked
Feb 25
by
avibootz
cpp
cpp-convert-int-to-scientific-notation
convert-int-to-scientific-notation
1
answer
38
views
How to find all happy numbers in a specific range with C++
asked
Feb 24
by
avibootz
cpp
cpp-find-happy-numbers-in-specific-range
find-happy-numbers-in-specific-range
1
answer
46
views
How to guarantee a 64‑bit integer across platforms in C++
asked
Feb 22
by
avibootz
cpp
cpp-guarantee-64-bit-integer-across-platforms
guarantee-64-bit-integer-across-platforms
1
answer
31
views
What is the bit size of long on 64-bit Windows in C++
asked
Feb 22
by
avibootz
cpp
win32
cpp-bit-size-long-64-bit-windows
bit-size-long-64-bit-windows
3
answers
52
views
How to remove newlines from a string C++
asked
Feb 21
by
avibootz
cpp
cpp-remove-newlines-from-string
remove-newlines-from-string
1
answer
41
views
How to convert a number to any base in C++
asked
Feb 20
by
avibootz
cpp
cpp-convert-number-to-any-base
convert-number-to-any-base
1
answer
43
views
How to convert meters to yards and vice versa in C++
asked
Feb 20
by
avibootz
cpp
cpp-convert-meters-yards-vice-versa
convert-meters-yards-vice-versa
1
answer
42
views
How to count uppercase, lowercase, special characters, and numeric values using RegEx in C++
asked
Feb 20
by
avibootz
cpp
cpp-count-uppercase-lowercase-special-characters-numeric-regex
count-uppercase-lowercase-special-characters-numeric-regex
1
answer
33
views
How to simulate rolling two dice (game cubes) with values 1–6 in C++
asked
Feb 18
by
avibootz
cpp
cpp-simulate-rolling-two-dice-values-1-6
simulate-rolling-two-dice-values-1-6
1
answer
33
views
How to use the BitBlt function to get pixel color on a screen or window using the Win32 API in C++
asked
Feb 17
by
avibootz
cpp
win32
winapi-use-bitblt-function-get-pixel-color-win32-api
use-bitblt-function-get-pixel-color-win32-api
1
answer
35
views
How to use the GetPixel function to get a pixel color using the Win32 API in C++
asked
Feb 17
by
avibootz
cpp
win32
winapi
cpp-use-getpixel-function-get-pixel-color-win32-api
use-getpixel-function-get-pixel-color-win32-api
1
answer
37
views
How to use the SetPixel function to draw a diagonal line using the Win32 API in C++
asked
Feb 17
by
avibootz
cpp
win32
winapi
cpp-use-setpixel-function-draw-diagonal-line-win32-api
use-setpixel-function-draw-diagonal-line-win32-api
1
answer
29
views
How to use the SetPixel function to draw a small 10x10 blue square using the Win32 API in C++
asked
Feb 17
by
avibootz
cpp
win32
winapi
cpp-use-setpixel-function-draw-square-win32-api
use-setpixel-function-draw-square-win32-api
2
answers
47
views
How to remove the last n occurrences of a substring in a string in C++
asked
Feb 15
by
avibootz
cpp
cpp-remove-last-n-occurrences-substring-string
remove-last-n-occurrences-substring-string
1
answer
41
views
How to use the TextOut function to draw text at a specified location using the Win32 API in C++
asked
Feb 14
by
avibootz
cpp
win32
winapi
cpp-use-textout-function-win32-api
use-textout-function-win32-api
1
answer
37
views
How to use the DeleteFile function using the Win32 API in C++
asked
Feb 14
by
avibootz
cpp
win32
winapi
cpp-use-deletefile-function-win32-api
use-deletefile-function-win32-api
1
answer
32
views
How to replace a random word in a string with a random word from a vector of words using C++
asked
Feb 13
by
avibootz
cpp
cpp-replace-random-word-in-string-with-random-word-from-vector
replace-random-word-in-string-with-random-word-from-vector
1
answer
30
views
How to calculate the products of (jagged) uneven-sized matrix columns in C++
asked
Feb 13
by
avibootz
cpp
cpp-products-uneven-sized-matrix-columns
products-uneven-sized-matrix-columns
1
answer
48
views
How to use the CreateFile function using the Win32 API in C++
asked
Feb 12
by
avibootz
cpp
win32
winapi
cpp-use-createfile-function-win32-api
use-createfile-function-win32-api
1
answer
39
views
How to use the GlobalAlloc function using the Win32 API in C++
asked
Feb 11
by
avibootz
win32
winapi
cpp
cpp-use-globalalloc-function-win32-api
use-globalalloc-function-win32-api
1
answer
42
views
How to use the VirtualAlloc function using the Win32 API in C++
asked
Feb 10
by
avibootz
win32
winapi
cpp
cpp-use-virtualalloc-function-win32-api
use-virtualalloc-function-win32-api
1
answer
45
views
How to find the shortest identical consecutive subvector in an vector with C++
asked
Feb 7
by
avibootz
cpp
cpp-shortest-identical-consecutive-subvector
shortest-identical-consecutive-subvector
2
answers
36
views
How to find a number that can be written as the sum and product of its factors in C++
asked
Feb 7
by
avibootz
cpp
cpp-number-written-as-sum-and-product-of-its-factors
number-written-as-sum-and-product-of-its-factors
1
answer
50
views
How to delete a file using the Win32 API in C++
asked
Feb 6
by
avibootz
cpp
win32
winapi
cpp-delete-file-win32-api
delete-file-win32-api
1
answer
41
views
How to move the n word to the end of a string in C++
asked
Feb 6
by
avibootz
cpp
cpp-move-n-word-to-end-of-string
move-n-word-to-end-of-string
1
answer
39
views
How to move the first word to the end of a string in C++
asked
Feb 5
by
avibootz
cpp
cpp-move-move-first-word-to-end-of-string
move-first-word-to-end-of-string
1
answer
39
views
How to move a word to the end of a string in C++
asked
Feb 3
by
avibootz
cpp
cpp-move-word-to-end-of-string
move-word-to-end-of-string
1
answer
39
views
How to multiply every N consecutive items in a vector with C++
asked
Feb 1
by
avibootz
cpp
cpp-multiply-every-n-of-consecutive-items-in-vector
multiply-every-n-of-consecutive-items-in-vector
2
answers
68
views
How to create a vector of dates between a start and end date in C++
asked
Jan 30
by
avibootz
cpp
cpp-create-vector-of-dates
create-vector-of-dates
2
answers
48
views
How to get the total disk size using the Win32 API in C++
asked
Jan 30
by
avibootz
win32
winapi
cpp
cpp-get-total-disk-size-win32-api
get-total-disk-size-win32-api
1
answer
35
views
How to get the size of a file in C++
asked
Jan 30
by
avibootz
cpp
cpp-get-the-size-of-file
get-the-size-of-file
2
answers
60
views
How to get the size of a file using the Win32 API in C++
asked
Jan 30
by
avibootz
win32
winapi
cpp
cpp-get-the-size-of-file-win32-api
get-the-size-of-file-win32-api
2
answers
55
views
How to sort a vector of structs by multiple columns in C++
asked
Jan 28
by
avibootz
cpp
cpp-sort-vector-of-structs-by-multiple-columns
sort-vector-of-structs-by-multiple-columns
1
answer
43
views
How to generate non‑overlapping random ranges (start,end),(start,end) in C++
asked
Jan 27
by
avibootz
cpp
cpp-generate-non-overlapping-random-ranges
generate-non-overlapping-random-ranges
1
answer
46
views
How to merge overlapping ranges (start,end),(start,end) in C++
asked
Jan 26
by
avibootz
cpp
cpp-merge-overlapping-ranges
merge-overlapping-ranges
2
answers
52
views
How to use the Win32 API ReadFile function to read data from a file in C++
asked
Jan 25
by
avibootz
win32
winapi
cpp
cpp-use-win32-api-readfile-function-to-read-from-file
use-win32-api-readfile-function-to-read-from-file
1
answer
50
views
How to use the function ShellExecuteW to get the current date and time using the Win32 API in C++
asked
Jan 24
by
avibootz
win32
winapi
cpp
cpp-shellexecutew-get-current-date-and-time
shellexecutew-get-current-date-and-time
1
answer
44
views
How to use the function ShellExecuteW to open an EXE file with arguments using the Win32 API in C++
asked
Jan 24
by
avibootz
win32
winapi
cpp
cpp-shellexecutew-open-exe-file-with-arguments
shellexecutew-open-exe-file-with-arguments
1
answer
52
views
How to use the function ShellExecuteW to open an EXE file using the Win32 API in C++
asked
Jan 24
by
avibootz
win32
winapi
cpp
cpp-shellexecutew-open-exe-file
shellexecutew-open-exe-file
2
answers
51
views
How to use the function ShellExecuteW to open a PDF file using the Win32 API in C++
asked
Jan 24
by
avibootz
win32
shellexecutew-open-pdf-file
cpp
winapi
cpp-shellexecutew-open-pdf-file
1
answer
40
views
How to use the function ShellExecuteW to open a URL using the Win32 API in C++
asked
Jan 24
by
avibootz
win32
shellexecutew-open-url
cpp
winapi
cpp-shellexecutew-open-url
1
answer
45
views
How to merge two strings based on shared suffix and prefix in C++
asked
Jan 23
by
avibootz
cpp
cpp-merge-two-strings
merge-two-strings-based-on-shared-suffix-and-prefix
1
answer
41
views
How to sort by strings a mixed pair of string and number elements in a vector with C++
asked
Jan 22
by
avibootz
cpp
cpp-sort-vector
sort-by-strings-mixed-pair-of-string-number-elements-in-vector
1
answer
48
views
How to sort by numbers a mixed pair of string and number elements in a vector with C++
asked
Jan 22
by
avibootz
cpp
cpp-sort-vector
sort-by-numbers-mixed-pair-of-string-number-elements-in-vector
1
answer
37
views
How to turn a total number of seconds into years, months, days, minutes and seconds in C++
asked
Jan 21
by
avibootz
cpp
cpp-turn-total-number-of-seconds-into-years-months-days-minutes-seconds
turn-total-number-of-seconds-into-years-months-days-minutes-seconds
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