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C++ Quiz

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Minimum cost of choosing 3 increasing elements in an array of size N

Last Updated: 04 June 2024

Given two arrays arr[] and cost[] where cost[i] is the cost associated with arr[i], the task is to find the minimum cost of choosing three elements from the array such tha...read more

Arrays

Algorithms

Dynamic Programming

Competitive Programming

Comparing X^Y and Y^X for very large values of X and Y

Last Updated: 29 August 2024

Given two integer X and Y, the task is compare XY and YX for large values of X and Y.Examples:Input: X = 2, Y = 3Output: 2^3 3^223 32Input: X = 4, Y = 5Output: 4^5 5^4N...read more

Algorithms

Mathematical

Competitive Programming

Engineering Mathematics

Increment odd positioned elements by 1 and decrement even positioned elements by 1 in an Array

Last Updated: 19 April 2024

Given an array arr[], the task is increment all the odd positioned elements by 1 and decrement all the even positioned elements by 1.Examples:Input: arr[] = {3, 6, 8}Outpu...read more

Interview Experiences

Algorithms

Competitive Programming

Replacing the odd place by cubing and even place by squaring the elements of an Array

Last Updated: 21 May 2025

Examples:Input : a[] = 3,4,5,2 Output : 27, 16, 125 , 4Input :a[]= 2,7,4,9Output :8,49,64,81 Ps not apply to articles written through thePick SectionHi Authors, Starting ...read more

Computer Science Quizzes

Program to print 'N' alphabet using the number pattern from 1 to n

Last Updated: 11 July 2022

Given an integer N, the task is to print the Alphabet N Pattern as given below:1 12 2 23 3 3* * ** * ** * *N NE...read more

Ittiam Written Test Questions

Last Updated: 23 April 2024

Round 1(30 mins): Written Test It was a written round (pen-paper). It started just after the company’s ppt (pre-placement talk). There were a total of 20 Mcqs (with neg...read more

Java

Advanced Data Structure

Operating Systems Questions

Theory of Computation

Why are negative numbers stored as 2's complement?

Last Updated: 03 October 2018

When doing addition/subtraction on binary numbers in other representations we need to apply different logics (circuits) to perform addition and subtraction. In 2s-compleme...read more

Last Updated: 25 October 2018

The ungetc() function takes a single character and shoves it back onto an input stream. It is the opposite of the getc() function, which reads a single character from an i...read more

Largest of two distinct numbers without using any conditional statements or operators

Last Updated: 13 August 2024

Given two positive and distinct numbers, the task is to find the greatest of two given numbers without using any conditional statements(if...) and operators(?: in C/C++/Ja...read more

Check if all occurrences of a character appear together

Last Updated: 12 August 2022

Given a string s and a character c, find if all occurrences of c appear together in s or not. If the character c does not appear in the string at all, the answer is true.E...read more

Algorithms

Competitive Programming

C++ | Misc C++ | Question 8

Last Updated: 28 June 2021

[sourcecode language="CPP"]#includeiostreamusing namespace std;int main (){ int cin; cin cin; cout cin cin; return 0;}[/sourcecode]Thanks to Gok...read more

C++ | Misc C++ | Question 7

Last Updated: 28 June 2021

[sourcecode language="C"]#includeiostreamusing namespace std;int x[100];int main(){ cout x[99] endl;}[/sourcecode]This question is contributed by Sudheendra Baliga(A)...read more

C++ | Inheritance | Question 14

Last Updated: 28 June 2021

Consider the below C++ program.[sourcecode language="C"]#includeiostreamusing namespace std;class A{public: A(){ cout 1;} A(const A obj){ cout 2;}};class B: virtua...read more

C++ | Misc C++ | Question 6

Last Updated: 28 June 2021

Would destructor be called, if yes, then due to which vector?[sourcecode language="C"]#include iostream#include vectorusing namespace std;class a{public : ~a() { ...read more

C++ | const keyword | Question 5

Last Updated: 28 June 2021

Output of C++ program?[sourcecode language="C"]#include iostreamint const s=9;int main(){ std::cout s; return 0;}[/sourcecode]Contributed by Pravasi Meet(A) 9(B) Co...read more

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