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printf() scanf()

printf() and scanf() in C The printf() and scanf() functions are used for input and output in C language. Both functions are inbuilt library functions, defined in stdio.h (header file). printf() function The  printf() function  is used for output. It prints the given statement to the console. The syntax of printf() function is given below: printf( "format string" ,argument_list);   The  format string  can be %d (integer), %c (character), %s (string), %f (float) etc. scanf() function The  scanf() function  is used for input. It reads the input data from the console. scanf( "format string" ,argument_list);   Program to print cube of given number Let's see a simple example of c language that gets input from the user and prints the cube of the given number. #include<stdio.h>      int  main(){     int  number; ...
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key words in c

Keywords in C A keyword is a  reserved word . You cannot use it as a variable name, constant name, etc. There are only 32 reserved words (keywords) in the C language. A list of 32 keywords in the c language is given below: auto break case char const continue default do double else enum extern float for goto if int long register return short signed sizeof static struct switch typedef union unsigned void volatile while
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Types of LOOPS

Types of C Loops There are three types of loops in C language that is given below: do while while for do-while loop in C The do-while loop continues until a given condition satisfies. It is also called post tested loop. It is used when it is necessary to execute the loop at least once (mostly menu driven programs). The syntax of do-while loop in c language is given below: do {   //code to be executed    } while (condition);   Flowchart and Example of do-while loop while loop in C The while loop in c is to be used in the scenario where we don't know the number of iterations in advance. The block of statements is executed in the while loop until the condition specified in the while loop is satisfied. It is also called a pre-tested loop. The syntax of while loop in c language is given below: while (condition){   //code to be executed    }   Flowchart ...
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