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C Program to Display Prime Numbers Between Two Intervals #33

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C Program to Display Prime Numbers Between Two Intervals Example to print all prime numbers between two numbers (entered by the user). This problem is solved using nested for loop and if...else statement. To understand this example, you should have the knowledge of following  C programming topics: C if...else Statement C Programming for Loop C Programming break and continue Statement Example #1: Display Prime Numbers Between two Intervals #include <stdio.h> int main () { int low , high , i , flag ; printf ( "Enter two numbers(intervals): " ); scanf ( "%d %d" , & low , & high ); printf ( "Prime numbers between %d and %d are: " , low , high ); while ( low < high ) { flag = 0 ; for ( i = 2 ; i <= low / 2 ; ++ i ) { if ( low % i == 0 ) { flag = 1 ; break ; } ...
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C switch...case Statement

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C switch...case Statement In this tutorial, you will learn to write a switch statement in C programming (with an example). The  if..else..if  ladder allows you to execute a block code among many alternatives. If you are checking on the value of a single variable in  if...else...if , it is better to use  switch statement. The switch statement is often faster than nested  if...else  (not always). Also, the syntax of switch statement is cleaner and easy to understand. Syntax of switch...case switch (n) ​{ case constant1: // code to be executed if n is equal to constant1; break; case constant2: // code to be executed if n is equal to constant2; break; . . . default: // code to be executed if n doesn't match any constant } When a case constant is found that matches the switch expression, control of the program passes to the block of code associated with that case...
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C Programming Structure Examples

C Programming Structure Examples In this article, you'll find all the necessary examples and source code on structures in C. A structure is a collection of variables of different data types. To understand all examples in this page, you should have knowledge of following structure topics. Structure Introduction Structure and Pointers Passing Structure to Function Example of Structures in C Programming C Programming Examples and Source Code Store Information(name, roll and marks) of a Student Using Structure Add Two Distances (in inch-feet) System Using Structures Add Two Complex Numbers by Passing Structure to a Function Calculate Difference Between Two Time Period Store Information of 10 Students Using Structure Store Information Using Structures for n Elements Dynamically PREVIOUS
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C Program to Convert Octal Number to Decimal and vice-versa #40

C Program to Convert Octal Number to Decimal and vice-versa In this example, you will learn to convert octal number to decimal and decimal number to octal manually by creating a user-defined function. To understand this example, you should have the knowledge of following C programming topics: C Programming Functions C Programming User-defined functions Example 1: Program to Convert Decimal to Octal #include <stdio.h> #include <math.h> int convertDecimalToOctal ( int decimalNumber ); int main () { int decimalNumber ; printf ( "Enter a decimal number: " ); scanf ( "%d" , & decimalNumber ); printf ( "%d in decimal = %d in octal" , decimalNumber , convertDecimalToOctal ( decimalNumber )); return 0 ; } int convertDecimalToOctal ( int decimalNumber ) { int octalNumber = 0 , i = 1 ; while ( decimalNumber != 0 ) { octalNumber += ( decimalNumber ...
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