Category: c / c++

Given a list/array/vector in C++, we can iterate the elements in the reversed order using the following approaches: Traditional Way, Iterate by Index We can iterate by index, the …

We can use the system function to run an external command. The method invokes the command synchronously and return the status code. Given the following C program, we first …

You are given an array of strings words (0-indexed). In one operation, pick two distinct indices i and j, where words is a non-empty string, and move any character …

Given two n x n binary matrices mat and target, return true if it is possible to make mat equal to target by rotating mat in 90-degree increments, or …

You are given a 2D integer array logs where each logs = indicates the birth and death years of the ith person. The population of some year x is …