C programs for Practice || Free Code Center
Compound of interest in C
#include<stdio.h>
int main()
{
double p,r,n,ci,a;
printf(“Enter a Principal ,Rate of Interest and Time(y)”);
scanf(“%lf %lf %lf”,&p,&r,&n);
a=pow (1+r/100,n)*p;
ci=a-p;
printf(“Compound of interest is %.3lf”,ci);//c programs for practice
}
Convert day in the year
#include <stdio.h>
int main()
{
double days,year;
printf(“Enter days =”);
scanf(“%lf”,&days);
year=days/365;
printf(“Total year is=%.3lf”,year);
}
Calculate and Print the Cube of Numbers in C
#include<stdio.h>
void main ()
{
int i,cube;
scanf(“%d”,&i);
for(int i=1;i<=5;i++){
cube=i*i*i;
printf(“\nnumber is %d and cube of the %d is :%d”,i,i,cube);
}
}
Find and Sum All Numbers Divisible by 9 Between 100 and User Input.
#include<stdio.h>
void main ()
{
int i,n,disvi=1,sum=0;
scanf (“%d”,&n);
printf(“Numbers between 100 and 200:”);
for (i=100;i<=n;i++){
if(disvi=(i%9==0)){
printf(” %d “,i);
sum=i+sum;
}
}
printf(“\nThe sum:%d”,sum);
}
Find the area of an equilateral
#include<stdio.h>
int main()
{
double a,area;
printf(“Enter lenght of sides:”);
scanf(“%lf”,&a);
area=0.8660*a*a;
printf(“Area of equilateral is:%.3lf”,area);
return 0;
}
Find the factorial of N numbers
#include<stdio.h>
void main ()
{
int i,n,factorial=1;
printf(“Enter a number :”);
scanf(“%d”,&n);
for (i=1;i<=n;i++){
factorial=factorial*i;
}
printf(“The factorial of 5 is:%d”,factorial);
}
Farhenheit to centigrade
#include<stdio.h>
int main()
{ double f,c;
printf(“Enter farhenheit =”);
scanf(“%lf”,&f);
f= 9*c/5+32;
printf(“The value of centigrade is =%.3lf”,f);
}
Find the simple interest in C
#include<stdio.h>
int main ()
{
double p,r,t,si;
printf(“Enter a Principal ,Rate of Interest and Time(y)= “);
scanf(“%lf %lf %lf”,&p,&r,&t);
si =p*r*t;
printf(“This is your simple interest%.3lf”,si);
return 0;
}
Find the LCM in C
#include <stdio.h>
int main()
{
int i, num1, num2, max, lcm=1;
printf(“Enter any two numbers to find LCM: “);
scanf(“%d%d”, &num1, &num2);
max = (num1 > num2) ? num1 : num2;
i = max;
while(1)
{
if(i%num1==0 && i%num2==0)
{
lcm = i;
break;
}
i=i+ max;
}
printf(“LCM of %d and %d = %d”, num1, num2, lcm);
return 0;
}
Leap Year check program in C
#include<stdio.h>
int main ()
{
int num;
int y;
printf(“enter the year to check:”);
scanf(“%d%d”,&y,&num);
for(y==1;y<=num;y++){
if(y%400==0||(y%100!=0&&y%4==0)){
printf(“%d is leap year”,y);}
}
}