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C Program to Calculate the Factorial of a number using Function

C Program to Calculate the Factorial of a number using Function. In this example, we will calculate the factorial of a number using function. Here we have used functions with Arguments and return value to perform this operation. We have declared a user-defined function fact which is called in the main function when printing the result. What is a Factorial of a Number? The factorial of a number is the product of all positive integers less than, equal to n. Factorial is denoted by the symbol '!'. Formula of factorial is n!=n x (n-1)! For example: 6!= 6 x 5 x 4 x 3 x 2 x1 = 720 PROGRAM TO CALCULATE THE FACTORIAL OF A NUMBER USING FUNCTION #include <stdio.h> #include <conio.h> int fact ( int ); void main () { int n ; printf ( "Enter the number : " ); scanf ( " %d " ,& n ); ...

C program to calculate area of a circle using function.

C program to calculate area of a circle. In this example we will learn to calculate the area of a circle. Here in this program we will use 3.14 as the value of pi. The formula to calculate the area of a circle is: area= π r² Flowchart To Calculate the Area of a Circle: PROGRAM: #include <conio.h> #include <stdio.h> int main () { float radius , area ; printf ( "Enter the radius of the circle : " ); scanf ( "%f" ,& radius ); area = 3.14 * radius * radius ; printf ( "Area of the circle is : %.2f" , area ); ...

C Program to find the sum of the series 1^2+2^2+3^2+…..+n^2

C Program to find the sum of the series 1 2 +2 2 +3 2 +…..+n 2 Enter the end limit at the runtime. In this example, we calculate the sum of the above mentioned series till the end-limit entered by the user. We have used built-in function pow(x,y) to find the power of the given number. Here in the output we have entered the value of end-limit as number 7 which gives a sum of 140. PROGRAM #include <stdio.h> #include <math.h> #include <conio.h> void main () { int n,sum= 0 ,i; printf ( "Enter the end limit :" ); scanf ( " %d " ,&n); for (i= 1 ;i<=n;i++) { sum=sum+ pow (i, 2 ); } printf ( "Sum of the series is : %d " ,sum); ...

C program to display the upper triangle and lower triangle of the given square Matrix using function

C program to display the upper triangle and lower triangle of the given square Matrix using function In this example, we will display the upper triangle and lower triangle of a given square matrix using function. Here in the output section we have taken a 3x3 matrix whose values are entered as shown in the output. After entering the elements of the square matrix it will display the upper triangle and lower triangle of the matrix entered. PROGRAM TO DISPLAY THE UPPER TRIANGLE AND LOWER TRIANGLE OF THE GIVEN SQUARE MATRIX USING FUNCTION #include <stdio.h> #include <conio.h> void uppert( int , int , int [100][100]); void lowert( int , int , int [100][100]); void main() { int i,j,c,d,a[100][100]; printf( "Enter the size of the given square matrix : " ); scanf( "%d" ,&c); d=c; ...

C Program to find the sum of the elements of a 2-D array.

C Program to find the sum of the elements of a 2-D array. In this example, we will find the sum of the elements of a 2-D array allowing the user to enter the row size and column size according to their requiremnts. Here in the output we have entered a row size 3 and column size 3. PROGRAM #include <stdio.h> #include <conio.h> void main () { int a [ 50 ][ 50 ], r , c , i , j , sum = 0 ; printf ( "Enter the row size and column size of the array :" ); scanf ( " %d%d " ,& r ,& c ); printf ( "Enter the elements of the array : " ); for ( i = 0 ; i < r ; i ++) { for ( j = 0 ; j < c ; j ++) ...

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