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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
41,647
questions
54,310
answers
573
users
Recent questions tagged CPP
1
answer
173
views
How to decrypt a string from numbers to characters in C++
asked
Jul 15, 2023
by
avibootz
cpp
1
answer
164
views
How to count the occurrences of a number in sorted vector with C++
asked
Jul 14, 2023
by
avibootz
cpp
1
answer
154
views
How to count the occurrences of a number in sorted array with C++
asked
Jul 14, 2023
by
avibootz
cpp
1
answer
109
views
How to check whether a type is signed or unsigned in C++
asked
Jul 11, 2023
by
avibootz
cpp
1
answer
149
views
How to get random value, insert and remove values from a vector if not exists in C++
asked
Jul 8, 2023
by
avibootz
cpp
1
answer
134
views
How to get random value and insert a value into a vector if not exists in C++
asked
Jul 8, 2023
by
avibootz
cpp
1
answer
161
views
How to get the length of the boundaries of a matrix in C++
asked
Jun 29, 2023
by
avibootz
cpp
1
answer
182
views
How to sort the boundary elements of a matrix in C++
asked
Jun 28, 2023
by
avibootz
cpp
cpp-sort-boundary-elements-matrix
sort-boundary-elements-matrix
1
answer
190
views
How to append boundary elements of a matrix to a vector in C++
asked
Jun 28, 2023
by
avibootz
cpp
2
answers
193
views
How to print the boundary elements of a matrix in C++
asked
Jun 28, 2023
by
avibootz
cpp
cpp-print-boundary-elements-matrix
print-boundary-elements-matrix
1
answer
177
views
How to check if a matrix is symmetric (square matrix that is equal to its transpose) in C++
asked
Jun 26, 2023
by
avibootz
cpp
2
answers
132
views
How to find the number of sorted rows in a matrix with C++
asked
Jun 23, 2023
by
avibootz
cpp
2
answers
135
views
How to check if a given row is sorted in a matrix with C++
asked
Jun 22, 2023
by
avibootz
cpp
1
answer
97
views
How to search an element in a matrix with C++
asked
Jun 22, 2023
by
avibootz
cpp
cpp-matrix
cpp-search
2
answers
150
views
How to find the sum of boundaries and diagonals of a matrix in C++
asked
Jun 19, 2023
by
avibootz
cpp
2
answers
157
views
How to find the sum of diagonals of a matrix in C++
asked
Jun 19, 2023
by
avibootz
cpp
2
answers
138
views
How to find the sum of boundary elements of a matrix in C++
asked
Jun 17, 2023
by
avibootz
cpp
1
answer
98
views
How to do floor division in C++
asked
Jun 9, 2023
by
avibootz
cpp
1
answer
172
views
How to create a sorted copy of part of a vector in C++
asked
Jun 9, 2023
by
avibootz
cpp
1
answer
105
views
How to find longest palindrome substring in C++
asked
Jun 3, 2023
by
avibootz
cpp
1
answer
98
views
How to count the frequency of the digits (0 to 9) in a string with C++
asked
Jun 1, 2023
by
avibootz
cpp
2
answers
176
views
How to generate all binary combination of size k with no consecutive 1's in C++
asked
May 31, 2023
by
avibootz
cpp
1
answer
94
views
How to find all possible N combinations from a vector of numbers in C++
asked
May 30, 2023
by
avibootz
cpp
2
answers
257
views
How to merge two sorted vectors without duplicates in C++
asked
May 29, 2023
by
avibootz
cpp
3
answers
251
views
How to merge two sorted vectors in C++
asked
May 29, 2023
by
avibootz
cpp
cpp-merge-two-sorted-vectors
merge-two-sorted-vectors
1
answer
106
views
How to find the first repeating element in a given array with C++
asked
May 28, 2023
by
avibootz
cpp
2
answers
185
views
How to merge two sorted arrays in C++
asked
May 28, 2023
by
avibootz
cpp
cpp-merge-two-sorted-arrays
merge-two-sorted-arrays
1
answer
142
views
How to extract all numbers from string using regex in C++
asked
May 27, 2023
by
avibootz
cpp
1
answer
117
views
How to convert string to char* in C++
asked
May 27, 2023
by
avibootz
cpp
1
answer
113
views
How to run a block of code every 3 second in C++
asked
May 24, 2023
by
avibootz
cpp
1
answer
107
views
How to run a block of code at certain time in C++
asked
May 24, 2023
by
avibootz
cpp
1
answer
168
views
How to delete the middle element of a stack in C++
asked
May 24, 2023
by
avibootz
cpp
cpp-delete-middle-element-stack
delete-middle-element-stack
1
answer
122
views
How to find missing elements of a given range in array of distinct elements with C++
asked
May 23, 2023
by
avibootz
cpp
1
answer
109
views
How to find all triplets with zero sum in a given array with C++
asked
May 22, 2023
by
avibootz
cpp
1
answer
110
views
How to get the name of day of a given day of year in C++
asked
May 15, 2023
by
avibootz
cpp
1
answer
121
views
How to get the name of the day of a given date in C++
asked
May 15, 2023
by
avibootz
cpp
1
answer
174
views
How to get the number of the day from the beginning of the year to a given date in C++
asked
May 15, 2023
by
avibootz
cpp
cpp-number-day-beginning-year
number-day-beginning-year
3
answers
332
views
How to check whether number is perfect square or not in C++
asked
May 13, 2023
by
avibootz
cpp
cpp-check-whether-number-perfect-square
check-whether-number-perfect-square
1
answer
84
views
How to calculate value of nPr in C++
asked
May 11, 2023
by
avibootz
cpp
1
answer
100
views
How to calculate the area of trapezium in C++
asked
May 8, 2023
by
avibootz
cpp
1
answer
116
views
How to use sqrt in C++
asked
May 7, 2023
by
avibootz
cpp
1
answer
127
views
How to calculate the area of a triangle given three sides in C++
asked
May 7, 2023
by
avibootz
cpp
1
answer
95
views
How to find the sum of all possible pairs in an array with C++
asked
May 5, 2023
by
avibootz
cpp
1
answer
109
views
How to sort an array in reverse order with C++
asked
Apr 28, 2023
by
avibootz
cpp
1
answer
183
views
How to find K most frequent elements in unsorted vector with C++
asked
Apr 28, 2023
by
avibootz
cpp
1
answer
167
views
How to find K most frequent elements in an unsorted array with C++
asked
Apr 28, 2023
by
avibootz
cpp
1
answer
81
views
How to get current date and time in C++
asked
Apr 27, 2023
by
avibootz
cpp
1
answer
134
views
How to use assert to evaluated at compile time in C++
asked
Apr 26, 2023
by
avibootz
cpp
1
answer
130
views
How to find the equilibrium index of an array (sum arr[0 to index - 1] == sum arr[index + 1 to size]) in C++
asked
Apr 25, 2023
by
avibootz
cpp
1
answer
123
views
How to find if there is a pair in sorted array with sum equal to a given sum in C++
asked
Apr 22, 2023
by
avibootz
cpp
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