Only question 4 please Question 4Assume that a vector is defined as follows. What is the correct statement if we want to set the first element to 3?vector V;O v. push_back(3);O v.at(1) = 3;%3DO v.resize(3);Ov.at(0) = 3;Question 5Given a function that returns the bigger value of two integers as follows: int max(int x, int y). Which of the followingfor getting the maximum of three variables a, b, and c?max(max(a,b),max(b,c))

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Assume that a vector is defined as follows. What is the correct statement if we want to set the first element to 3? vector v; O v. push_back(3);

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Operations of vector class

The vector class is available in Java and C++ programming languages. It is a class implementing a dynamic array. A dynamic array is an array whose size automatically increases when an element is added to it. The vector class stores elements in a contiguous memory block and assigns the memory to the elements whenever required during execution.

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