Positive no negative no.
#include<stdio.h>
#include<conio.h>
void main()
{
int x;
clrscr();
printf(“enter the no”);
scanf(“%d”,&x);
If(x>0)
{
printf(“positive no”);
}
else
{
printf(“negative no”);
getch();
}
.Odd even Program
#include<stdio.h>
#include<conio.h>
void main()
{
int x;
clrscr();
printf(“enter the no”);
scanf(“%d”,&x);
If(x%0)
{
printf(“even no”);
}
else
{
printf(“odd no”);
getch();
}
Sum of first n number
#include<stdio.h>
#include<conio.h>
Void main()
{
Int a,x,sum;
clrscr();
printf(“enter the no”);
for(x=1; x<=10; x++)
{
scanf(“%d\n”,&a);
}
printf(“sum=%d”,a);
getch();
}
Digit reversing
#include <stdio.h>
int main()
{
int n, reversedNumber = 0, remainder;
printf(“Enter an integer: “);
scanf(“%d”, &n);
while(n != 0)
{
remainder = n%10;
reversedNumber = reversedNumber*10 + remainder;
n /= 10;
}
printf(“Reversed Number = %d”, reversedNumber);
return 0;
}
Table program
#include <stdio.h>
int main()
{
int n, i;
printf(“Enter an integer: “);
scanf(“%d”,&n);
for(i=1; i<=10; ++i)
{
printf(“%d * %d = %d \n”, n, i, n*i);
}
return 0;
}
Factorial sine series
| #include<stdio.h> #include<conio.h> void main() { int i, n; float x, sum, t; clrscr(); printf(” Enter the value for x : “); scanf(“%f”,&x); printf(” Enter the value for n : “); scanf(“%d”,&n); x=x*3.14159/180; t=x; sum=x; /* Loop to calculate the value of Sine */ for(i=1;i<=n;i++) { t=(t*(-1)*x*x)/(2*i*(2*i+1)); sum=sum+t; } printf(” The value of Sin(%f) = %.4f”,x,sum); getch(); |
Program code for Cosine Series in C:
| #include<stdio.h> #include<conio.h> void main() { int i, n; float x, sum=1, t=1; clrscr(); printf(” Enter the value for x : “); scanf(“%f”,&x); printf(” Enter the value for n : “); scanf(“%d”,&n); x=x*3.14159/180; /* Loop to calculate the value of Cosine */ for(i=1;i<=n;i++) { t=t*(-1)*x*x/(2*i*(2*i-1)); sum=sum+t; } printf(” The value of Cos(%f) is : %.4f”, x, sum); getch(); } |
Pascal triangle in C
#include <stdio.h>
long factorial(int);
int main()
{
int i, n, c;
printf(“Enter the number of rows you wish to see in pascal triangle\n“);
scanf(“%d”,&n);
for (i = 0; i < n; i++)
{
for (c = 0; c <= (n – i – 2); c++)
printf(” “);
for (c = 0 ; c <= i; c++)
printf(“%ld “,factorial(i)/(factorial(c)*factorial(i-c)));
printf(“\n“);
}
return 0;
}
long factorial(int n)
{
int c;
long result = 1;
for (c = 1; c <= n; c++)
result = result*c;
return result;
}
Prime number in C
| #include <stdio.h> int main() { int i, num, p = 0; printf(“Please enter a number: \n”); scanf(“%d”, &num); for(i=1; i<=num; i++) { if(num%i==0) { p++; } } if(p==2) { printf(“Entered number is %d “\ “and it is a prime number.”,num); } else { printf(“Entered number is %d “\ “and it is not a prime number.”,num); } } |
Factor of a number
#include <stdio.h>
int main()
{
int number, i;
printf(“Enter a positive integer: “);
scanf(“%d”,&number);
printf(“Factors of %d are: “, number);
for(i=1; i <= number; ++i)
{
if (number%i == 0)
{
printf(“%d “,i);
}
}
return 0;
}
Such as a prefect number program
#include<stdio.h>
int main(){
int n,i=1,sum=0;
printf(“Enter a number: “);
scanf(“%d”,&n);
while(i<n){
if(n%i==0)
sum=sum+i;
i++;
}
if(sum==n)
printf(“%d is a perfect number”,i);
else
printf(“%d is not a perfect number”,i);
return 0;
}
GCD Using for loop and if Statement
#include <stdio.h>
int main()
{
int n1, n2, i, gcd;
printf(“Enter two integers: “);
scanf(“%d %d”, &n1, &n2);
for(i=1; i <= n1 && i <= n2; ++i)
{
// Checks if i is factor of both integers
if(n1%i==0 && n2%i==0)
gcd = i;
}
printf(“G.C.D of %d and %d is %d”, n1, n2, gcd);
return 0;
}
B.C.A study 