general c programs

7/25/2019 General C Programs

1/27

Program 1Write a C program to swap two numbers without using athird variable

#include

int main()

int a! b"

print($%n&nter value or num1 ' num $)"

scan($*d *d$! 'a! 'b)"

a + a , b"

b + a - b"

a + a - b"

print($%n ter swapping value o a *d$! a)"

print($%n ter swapping value o b *d$! b)"

return (/)"

0

&nter value or num1 'num 1/ /ter swapping value o a /ter swapping value o b 1/


2/27

Program Program to convert temperature rom degree

centigrade to ahrenheit

#include

int main()

2oat celsius! ahrenheit"print($%n&nter temp in Celsius $)"

scan($*$! 'celsius)"

ahrenheit + (1.3 4 celsius) , 5"print($%n6emperature in ahrenheit * $!

ahrenheit)"

return (/)"

0

&nter temp in Celsius 56emperature in ahrenheit 37.87773


3/27

Program 5 Program to calculate actorial o a number using

or loop

#include

int main()

int i!+1!num"

print($&nter a number $)"

scan($*d$!'num)"

or(i+1"i


4/27

Program : Program to calculate actorial o a number using recursive unction

#include

int fact(int);int main()

{

int factorial, num;

printf("Enter the value of num :");

scanf("d", !num);factorial fact(num);

printf("actorial is d", factorial);

return ($);

%

int fact(int n){ if (n $)

{

return (&);

%

return (n ' fact(n &));%


5/27

Program 8 C Program to reverse a given number

#include

int main()

int num! rem! rev + /"

print($%n&nter an; no to be reversed $)"

scan($*d$! 'num)" while (num >+ 1)

rem + num * 1/"

rev + rev 4 1/ , rem" num + num 1/"

0

print($%n=eversed umber *d$! rev)"

return (/)"

0

&nter an; no to bereversed 15=eversed umber 51


6/27

Program ? n electric power distribution compan; charges

its domestic consumers as ollows-

Consumption Charge =ate o @nits

------------------------------------------------------

/-// =s./.8/ per unit

/1-:// =s.1// plus =s./.?8 per uniteAcess //

:/1-?// =s.5/ plus =s./.3/ per unit

eAcess o ://. -------------------------------------------------------

Write a C program that reads the customernumber and power consumed and prints theamount to be paid b; the customer.


7/27

#include

void main()

int custBno! power@sage"

2oat amount" print($&nter the customer number $)" scan($*d$!

'custBno)"

print($&nter the power consumed $)" scan($*d$!

'power@sage)"i (power@sage >+ / '' power@sage :// '' power@sage


8/27

Program ? - Program to Chec Whether Diven umber is Perect Er ot

#include

int main()

int num! i + 1! sum + /"

print($&nter a number $)"

scan($*d$! 'num)"

while (i < num)

i (num * i ++ /) sum + sum , i" 0

i,,"

0

i (sum ++ num) print($*d is a Perect umber$! i)"

else

print($*d is on Perect umber$! i)"

return /" 0


9/27

Program F - Program to Chec Whether Diven umber is rmstrong Erot

#include

int main()

int num! temp! sum + /! rem"

print($%n&nter number or checing rmstrong $)"

scan($*d$! 'num)"

temp + num" while (num G+ /)

rem + num * 1/"

sum + sum , (rem 4 rem 4 rem)"

num + num 1/" 0i (temp ++ sum) print($*d is mstrong umber$!temp)"

else print($*d is mstrong umber$!

temp)"


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general c programs

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