C-Input and Output Quiz

cpp-input-output

C++

Nested printf (printf inside printf) in C

Last Updated: 13 December 2018

Predict the output of the following C program with a printf inside printf.[sourcecode language="C" highlight=""]#includestdio.h int main(){ ...read more

scanf() and fscanf() in C

Last Updated: 10 January 2025

In C language, scanf() function is used to read formatted input from stdin. It returns the whole number of characters written in it otherwis ...read more

Problem With Using fgets()/gets()/scanf() After scanf() in C

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Last Updated: 04 January 2022

scanf() is a library function in C. It reads standard input from stdin. fgets() is a library function in C. It reads a line from the specifi ...read more

Difference between getc(), getchar(), getch() and getche()

C-Library

Last Updated: 07 January 2025

In C, getc(), getchar(), getch(), and getche() are all functions that is used to read input character in different contexts. Although these ...read more

What is the difference between printf, sprintf and fprintf?

Last Updated: 03 January 2025

The printf() function is used as a standard method for output operations and C also provides some different versions of this function such a ...read more

C | Input and Output | Question 3

Last Updated: 28 June 2021

[sourcecode language="C"]#include stdio.hint main() { printf( \GEEKS %% FOR %% GEEKS\); getchar(); return 0; }[/sourcecode](A) “GEEK ...read more

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C | Input and Output | Question 2

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Last Updated: 12 April 2022

Predict output of the following program[tabby title="C"][sourcecode language="c"]#include int main(){ printf("\new_c_question\ ...read more

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C | Input and Output | Question 13

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Last Updated: 28 June 2021

Predict the output of following program?[sourcecode language="C"]#include stdio.hint main(){ char arr[100]; printf(%d, scanf(%s, arr)) ...read more

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Input and Output

Scansets in C

Last Updated: 06 July 2021

scanf family functions support scanset specifiers which are represented by %[]. Inside scanset, we can specify single character or range of ...read more

puts() vs printf() for printing a string

Last Updated: 15 November 2023

In C, both puts() and printf() functions are used for printing a string on the console and are defined in stdio.h header file. In this artic ...read more

What is use of %n in printf() ?

Last Updated: 09 October 2019

In C printf(), %n is a special format specifier which instead of printing something causes printf() to load the variable pointed by the cor...read more

What is return type of getchar(), fgetc() and getc() ?

Last Updated: 07 January 2025

In C, getchar(), fgetc(), and getc() all are the functions used for reading characters from input buffer. This buffer is standard input buff ...read more

GFacts

Return values of printf() and scanf() in C/C++

Last Updated: 29 November 2020

What values do the printf() and scanf() functions return ?printf() : It returns total number of Characters Printed, Or negative value if an ...read more

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cpp-input-output

How to print % using printf()?

Last Updated: 04 April 2025

Here is the standard prototype of printf function in C:int printf(const char *format, ...);The format string is composed of zero or more dir ...read more

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