How to Compute Running Sum of 1d Array using std::partial_sum in C++?
Given an array nums. We define a running sum of an array as runningSum = sum(nums…nums). Return the running sum of nums. Example 1: Input: nums = Output: Explanation: …
Tag: C++ coding reference
C++: How to Iterate the Elements over the Sets (set, unordered_set, multiset, unordered_multiset)
In C++, we use set, multiset, unordered_multiset, unordered_set to store a hash set. C++ set/multiset implements a Red-Black tree that maintains the order of the elements. On the other …
C++ Coding Reference: Partial Sorting with nth_element from Algorithm header
nth_element is a partial sorting algorithm which can be invoked by including the header algorithm. It has following two forms: void nth_element(_RanIt _First, _RanIt _Nth, _RanIt _Last); void nth_element(_RanIt …
C++ Coding Reference: Copy N values by using std::fill_n()
We talked about std::fill() that we can use to copy over a single value to a range [First, Last). If you know the number of elements you want to …
C++ Coding Reference: Filling a Range with a Value using std::fill()
The C++ fill is provided in xutility and it allows us to copy a value into a range either vector or array. The std::fill() is defined using template: template<class …