This set of C Multiple Choice Questions & Answers (MCQs) focuses on “Pointers”.Pre-requisite for C Pointers MCQ set: Video Tutorial on C Pointers.1. What will be the output of the following C code?#include <stdio.h> int main() { char *p = NULL; char *q = 0; if (p) printf...
Learn: Thedifference between references [preferably used in C++] and pointers [preferably used in C/C++]and would ultimately help in answering a C++ interview question. Submitted byDeepak Dutt Mishra This article consists of the description of bothreferences [in C++]andpointers [preferred in C/C++...
链接:https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node 著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。 思路 题目要求使用O(1)的额外空间,所以考虑类似BFS的算法。 因为树是完美的,那么当前这一层和上一层的关系是紧密的,体现在上一层节点cur存在next不为nu...
LeetCode 116.populating-next-right-pointers-in-eac 题意 给定一个完美二叉树,其所有叶子节点都在同一层,每个父节点都有两个子节点。二叉树定义如下: struct Node { int val; Node *left; Node *right; Node *next; } 填充它的每个 next 指针,让这个指针指向其下一个右侧节点。如果找不到下一个右侧节点...
C MCQ Tests Prepare for TCS, Infosys, etc. ExplorePopular Links: normalization in dbms http in computer networks deadlock avoidance in os c programs page fault in os paging in os normalisation in dbms set operations in dbms normal forms in dbms paging in operating system ktm full form ng is...