cpp-puzzle

Recursion

Print a character n times without using loop, recursion or goto in C++

DSA

Last Updated: 05 December 2022

Given a character c and a number n, print the character c, n times. We are not allowed to use loop, recursion, and goto. Examples :Input : n ...read more

cpp-string

Why "using namespace std" is considered bad practice

Last Updated: 29 March 2024

The statement using namespace std is generally considered bad practice. The alternative to this statement is to specify the namespace to whi ...read more

cpp-namespaces

Print system time in C++ (3 different ways)

Similar Topics

DSA

22.3k+ articles

C++

4.1k+ articles

C Language

1.9k+ articles

Misc

1.4k+ articles

Recursion

1k+ articles

number-digits

600+ articles

CPP-Library

240+ articles

C/C++ Puzzles

170+ articles

programming-puzzle

49+ articles

c-puzzle

30+ articles

Last Updated: 10 December 2018

First MethodPrinting current date and time using time()Second Method[sourcecode language="CPP"]// CPP program to print current date and time ...read more

Measure execution time of a function in C++

date-time-program

Last Updated: 11 January 2025

We can find out the time taken by different parts of a program by using the std::chrono library introduced in C++ 11. We have discussed at H ...read more

Competitive Programming

C/C++ Tricky Programs

Last Updated: 14 March 2024

We may come across various tricky programs in our day-to-day life. Maybe in technical interviews, coding tests, or C/C++ classrooms.Here is ...read more

Using return value of cin to take unknown number of inputs in C++

Last Updated: 23 June 2022

Consider a problem where we need to take an unknown number of integer inputs.A typical solution is to run a loop and stop when a user enters ...read more

Execute both if and else statements in C/C++ simultaneously

Last Updated: 13 September 2023

Write a C/C++ program that executes both if-else block statements simultaneously.Syntax of if-else statement in C/C++ language is:if (Boolea ...read more

How to check whether a number is in the range[low, high] using one comparison ?

Last Updated: 22 June 2022

This is simple, but interesting programming puzzle. Given three integers, low, high and x such that high = low. How to check if x lies in ra ...read more

Write a C program that won't compile in C++

Last Updated: 22 November 2021

Although C++ is designed to have backward compatibility with C, there can be many C programs that would produce compiler errors when compile ...read more

Write a C program that does not terminate when Ctrl+C is pressed

Last Updated: 21 June 2022

Write a C program that doesn't terminate when Ctrl+C is pressed. It prints a message "Cannot be terminated using Ctrl+c" and continues execu ...read more

How to measure time taken by a function in C?

Last Updated: 10 January 2025

To calculate time taken by a process, we can use clock() function which is available time.h. We can call the clock function at the beginning ...read more

What happens when a function is called before its declaration in C?

Last Updated: 24 December 2021

In C, if a function is called before its declaration, the compiler assumes the return type of the function as int.For example, the following ...read more