#include <stdio.h>

int main()
{

// 10. Write a program to read three numbers from keyboard and find out maximum out of these
// three. (nested if else)

printf("\tFind Maximum Value");
printf("\n==============================");

float a, b, c;

printf("\n\nEnter The Value Of A : ");
scanf("%f", &a);

printf("\nEnter The Value Of B : ");
scanf("%f", &b);

printf("\nEnter The Value Of C : ");
scanf("%f", &c);

printf("\n_______________________________\n\n");

if (a > b)
{
if(a > c){
printf("A Has Maximum Value");
}
else
{
printf("C Has Maximum Value");
}
}

else if (b > a)
{
if(b > c){
printf("B Has Maximum Value");
}
else
{
printf("C Has Maximum Value");
}
}

printf("\n_______________________________\n\n");

return 0;
}

This C program reads three numbers from the user and finds the maximum value among them using nested 

The program first prompts the user to enter three numbers using 

 statements. It then takes the user inputs using the 

Next, the program checks the values of the input numbers using nested 

. If it is, it prints "A Has Maximum Value". Otherwise, it prints "C Has Maximum Value". Similarly, if 

. If it is, it prints "B Has Maximum Value". Otherwise, it prints "C Has Maximum Value".

Finally, the program prints some more messages and returns 0 to indicate successful completion of the program.


Problem 10


//18. Write a program to reverse a number.

int n, reverse=0 ,remainder;

printf("\tReverse A Number");
printf("\n========================================");

printf("\nEnter The Number : ");
scanf("%d",&n);

while(n != 0){
remainder = n%10;
reverse = (reverse*10) + remainder;
n /= 10;
}

printf("\n__________________________________________");
printf("\n\nReversed Number Is : %d",reverse);
printf("\n\n__________________________________________\n\n");

This is a C program that reverses a given integer number. The program prompts the user to input a number and then uses a while loop to reverse it. The variables 

 are declared and initialized to 0. In each iteration of the loop, the program calculates the remainder of the number when divided by 10, and then updates the 

 variable by multiplying it by 10 and adding the remainder. The program then divides the original number 

 becomes 0. Finally, the program prints the reversed number to the console along with a message. The program ends by returning 0 to indicate that it has executed successfully.

Problem 18

#include <stdio.h>
#include <math.h>

float series (float x, int n);

int main(){
printf("\t\tEvaluation Of Given Series");
printf("\n\t1 - x + x^2/2! - x^3/3! + x^4/4!......- x^9/9!");
printf("\n============================================================\n");
float x;
int n=9;

printf("\nEnter The Value Of X : ");
scanf("%f",&x);

float answer = series (x,n);

printf("\nAnswer = %.4f ",answer);
return 0;
}

float series(float x,int n){
float sum=1,sign=1,fact,j,y=1,term;
int i;

for(i=1;i<=n;i++){
fact=1;
for(j=1;j<=y;j++){
fact *= j;
}

sign = pow((-1),i);
term = sign*pow(x,y)/fact;
sum += term;
y++;
}
return sum;
}

This program evaluates the given series: 1 - x + x^2/2! - x^3/3! + x^4/4! - x^5/5! + x^6/6! - x^7/7! + x^8/8! - x^9/9!

The program includes two libraries: stdio.h and math.h.

The main function starts by printing the series to be evaluated.

It prompts the user to input the value of x.

It initializes the number of terms in the series (n) to 9.

It calls the series function and passes the values of x and n to it.

The series function takes two arguments: x and n, and returns the sum of the series.

Inside the series function, it initializes the first term of the series to 1.

It declares some variables including sign, fact, j, y, and term.

It initializes the factorial (fact) to 1.

It calculates the factorial of y by starting another loop from j=1 to y.

It multiplies the factorial by j for each iteration.

It calculates the sign of the term based on the current iteration of i.

It calculates the term by raising x to the power of y, multiplying by the sign, and dividing by the factorial.

It increments y by 1 for the next iteration.

After the loop is completed, the function returns the sum of the series.

Finally, the main function prints the result returned by the series function.

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