//C Program to print "Hello World".

#include <stdio.h>
int main(void) {
printf("Hello World");
return 0;
}

by @bca_programmer

//C Program for print age

#include <stdio.h>
int main() {
int age = 22;
printf("age is %d", age);
return 0;
}

C program for sum of two integer a,b.

#include <stdio.h>

int main()
{
// Declare variables to store the two integers
int a, b;

// Read the two integers from the user
printf("Enter a : ");
scanf("%d", &a);
printf("Enter b : ");
scanf("%d", &b);

// Calculate the sum of the two integers
int sum = a + b;

// Print the sum to the user
printf("The sum is : %d", sum);

return 0;
}

C program for Calculate Area of square .

#include <stdio.h>

int main() {
int side;
printf("Enter side : ");
scanf("%d", &side);

//"ar" is Area of square

int ar= (side*side);
printf("Area is : %d", ar);
return 0;
}

C program for Calculate Area of Circle .

#include <stdio.h>

int main() {
int radius;

printf("Enter radius : ");
scanf("%d", &radius);

int ar= (3.14*radius*radius);
printf("Area is : %d", ar);
return 0;
}

Guys wait for two days I will post programs
I'm little busy actually ❤️

Program to accept a number from user and print it’s square & cube.

#include<stdio.h>
#include<conio.h>

void main()
{
int n,sqre,cube;
clrscr();

printf("Enter Number: ");
scanf("%d",&n);

sqre=n*n;
cube=n*n*n;

printf("\nSquare: %d\nCube: %d",sqre,cube);

getch();
}

//Question for all

#include <stdio.h>

int main() {

printf("%d", 10*3/10*3);
return 0;
}



//What will be the output ?

Do u want any programming course?

//write code in C langugae if a number is greater than 9 & less than 100-> True (2 digit num).

#include<stdio.h>
int main()
{
int num;

//input the number
printf("Enter the number: ");
scanf("%d", &num);

//check if the number is in the given range
if(num > 9 && num < 100)
{
printf("True");
}
else
{
printf("False");
}

return 0;
}

//To find adult or minor age

#include <stdio.h>
int main(void) {
int age;
printf("Enter age : ");
scanf("%d", &age);
if (age > 18)
{
printf("adult");
}
else
{
printf("Minor");
return 0;
}

}

//To find adult or minor age

#include <stdio.h>
int main(void) {
    int age;
    printf("Enter age : ");
    scanf("%d", &age);
    if (age > 18)
    {
        printf("adult\n");
        printf("They can vote \n");
        printf("They can drive car \n");
        
        }
        else
{
    printf("Minor\n");
        printf("They can't vote \n");
        printf("They can't drive car\n");
} 
    return 0;
}

\\To find adult, Teenager , or child

#include <stdio.h>
int main(void) {
    int age;
    printf("Enter age : ");
    scanf("%d", &age);
    if (age >= 18)
    {
        printf("adult\n");
        printf("They can vote \n");
        printf("They can drive car \n");
        
        }
        else if(age > 13 && age < 18){
            printf("Teenager\n");
            printf("They can't drive\n");
            printf("They can't vote\n");
            
        }
        
else {
    printf("Child\n");
        printf("They can't vote \n");
        printf("They can't drive car\n");
} 

printf("Thank You");
    return 0;
}         
    

@bca_programmer

//Switch case


#include <stdio.h>
int main()
{
int day;
printf("Enter day(1-7) : ");
scanf("%d", &day);
switch (day){
case 1 : printf("Monday\n");
break;
case 2 : printf("Tuesday\n");
break;
case 3 : printf("Wednesday\n");
break;
case 4 : printf("Thursday\n");
break;
case 5 : printf("Friday\n");
break;
case 6 : printf("Saturday\n");
break;
case 7 : printf("Sunday\n");
break;
default : printf("Not a valid day");
}
return 0;
}