Program to print numbers from 1 to n using for loop.
-----------------------------------
Program:
#include<stdio.h>
int main() {
int i,n;
printf("Enter value of n:");
scanf("%d",&n);
for(i=1; i<=n; i++)
{
printf("%d ", i);
}
return 0;
}
---------------------------------
#for_loop

Program to print even numbers from 0 to n using for loop.
-------------------------------
Program:
#include <stdio.h>
int main() {
int i,n;
printf("Enter the value of n:");
scanf("%d",&n);
for(i=0; i<=n; i+=2)
{
printf("%d \n", i);
}
return 0;
}
------------------------------------
#for_loop

@c_programmerrr

Program to print odd numbers from 1 to n using for loop.
--------------------------------
Program:
#include <stdio.h>
int main() {
int i,n;
printf("Enter the value of n:");
scanf("%d",&n);
for(i=1; i<=n; i+=2)
{
printf("%d \n", i);
}
return 0;
}
--------------------------------
#for_loop

@c_programmerrr

Program to add numbers from 1 to n using for loop.
---------------------------------
Program:
#include <stdio.h>
int main() {
int i,n,sum=0;
printf("Enter the value of n:");
scanf("%d",&n);
for(i=1; i<=n; i++)
{
printf("%d +%d =",sum,i);
sum=sum+i;
printf("%d\n",sum);
}
return 0;
}
-------------------------------
#for_loop

Program to add even numbers from 1 to n using for loop.
-----------------------------------
#include <stdio.h>
int main() {
int i,n,sum=0;
printf("Enter the value of n:");
scanf("%d",&n);
for(i=0; i<=n; i+=2)
{
printf("%d +%d =",sum,i);
sum=sum+i;
printf("%d\n",sum);
}
return 0;
}
-------------------------------------
#for_loop

Program to add odd numbers from 1 to n using for loop.
-------------------------------
#include <stdio.h>
int main() {
int i,n,sum=0;
printf("Enter the value of n:");
scanf("%d",&n);
for(i=1; i<=n; i+=2)
{
printf("%d +%d =",sum,i);
sum=sum+i;
printf("%d\n",sum);
}
return 0;
}
------------------------------------
#for_loop

Program to print Multiplication Table.
------------------------------
#include <stdio.h>

int main() {
int n;
printf("Enter a number: ");
scanf("%d", &n);
for(int i = 1; i <= 10; i++) {
printf("%d x %d = %d\n", n, i, n*i);
}
return 0;
}
-----------------------------
#for_loop

Program to find the factorial of a number.
-----------------------------------
#include <stdio.h>

int main()
{
int i, num, fact=1;
printf("Enter a number: ");
scanf("%d", &num);
for(i=num; i>=1; i--)
{
fact *= i;
}
printf("Factorial of %d is: %d", num, fact);
return 0;
}
-------------------------------------
#for_loop

Program to generate Fibonacci series.
-----------------------------
#include <stdio.h>
int main()
{
int n, i, t1 = 0, t2 = 1, nextTerm;
printf("Enter the number of terms: ");
scanf("%d", &n);
printf("Fibonacci Series: ");
for (i = 1; i <= n; ++i)
{
printf("%d, ", t1);
nextTerm = t1 + t2;
t1 = t2;
t2 = nextTerm;
}
return 0;
}
---------------------------------
#for_loop

Program that checks whether a number is prime or not using a for loop:
----------------------------
#include <stdio.h>
int main()
{
int n, i, flag = 0;
printf("Enter a positive integer: ");
scanf("%d", &n);
for(i = 2; i <= n/2; i++)
{
if(n % i == 0)
{
flag = 1;
break;
}
}
if (n == 1)
{
printf("1 is neither prime nor composite.\n");
}
else
{
if (flag == 0)
printf("%d is a prime number.\n", n);
else
printf("%d is not a prime number.\n", n);
}

return 0;
}
----------------------------
#for_loop