When you are using SWITCH case, it is important to keep in mind that the inclusion of DEFAULT LABEL. This will inform you whether you are executing your program in right or wrong way. So, it is always recommended to use DEFAULT LABEL in the SWITCH st

Not putting // before the start of single statement comment is a compiler error. Not putting the */ after the termination of block comment is a compiler error.

Missing the inclusion of appropriate header file in c program will generate an error. Such a program may compile but the linker will given an error message as it will not be able to find the functions used in the program.

The test expression done on exact statement. The good habit of using test expression on exact or fulfill statement. So do not use floating point numbers for checking for equality in the test expression.

Specifier is a typedef-name and a very sensitive in C programming. Using an incorrect specifier for the data type being read or written will generate a run time error.

The factorial, symbolized by an exclamation mark (!), is a quantity defined for all integer s greater than or equal to 0.

Mathematically, the formula for the factorial is as follows. If n is an integer greater than or equal to 1, then

n ! = n ( n - 1)( n - 2)( n - 3) ... (3)(2)(1)

If p = 0, then p ! = 1 by convention.

Mathematically, the formula for the factorial is as follows. If n is an integer greater than or equal to 1, then

n ! = n ( n - 1)( n - 2)( n - 3) ... (3)(2)(1)

If p = 0, then p ! = 1 by convention.

// AHF C PROGRAM SOLVING //solving here ITERATIVES STATEMENTS type of programming problem

#include<stdio.h> #include<math.h> #define pf printf int main() { int n,j,fact=1; //taking the number to continue loop pf("Enter any integer number: "); scanf("%d",&n); for(j=1;j<=n;j++) fact*=j; pf("\nThe factorial of %d is : %d",n,fact); return 0; }

Enter any integer number: 5

The factorial of 5 is : 120

The factorial of 5 is : 120

- Print whether given number is prime or composite
- Prime number in a range
- Leap year in a range
- Print a multiplication table of Nth number
- Print even and odd number in a range
- Calculate power i.e., calculate x
^{n} - Calculate Summation of this series 1 + 1/2 + 1/3 + ...... + 1/x
- Calculate Summation of this series 1 + 1/5 + 1/9 + 1/13 + ...... + 1/x
- Calculate Summation of this series 1 + 2
^{2}+ 3^{3}+ ...... + x^{x} - Calculate Summation of this series 1 + 2
^{2}+ 3^{2}+ ...... + x^{2} - Input any key from key-board and display key's feature
- Find large number of two or three given numbers
- Print ASCII value of a character and number
- Print all ASCII value
- Print vowel or consonant
- Find is the given number positive, negative and zero

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