10+ C programming questions for absolute beginners | CoderGuy

Hello everyone, welcome to CoderGuy (A free platform to learn different programming languages). I am Ujjwal, after completing today's article you'll be able to understand various questions and its syntax in C Programming.

So Let's begin with the first question

Q. Write a program in C to print Hello India.

#include<stdio.h>

#include<conio.h>

void main()

{

printf("Hello India");

getch();

}

OR

#include<stdio.h>

#include<conio.h>

int main()

{

printf("Hello India");

return 0;

}

10+ C Programming Questions for Beginner

Q. Write a program in C input two numbers and print a bigger one.

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b=0;

clrscr();

printf("Enter first number ");

scanf("%d",&a);

printf("Enter Second Number ");

scanf("%d",&b);

If(a>b)

 printf("%d is bigger ",a);

else

 printf("%d is bigger",b);

getch();

}

Q. Write a program in C input two numbers and print smaller ones.

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b=0;

clrscr();

printf("Enter first number ");

scanf("%d",&a);

printf("Enter Second Number ");

scanf("%d",&b);

If(a<b)

 printf("%d is smaller ",a);

else

 printf("%d is smaller",b);

getch();

}

 Q.Write a program in C input two numbers and check equal or not.

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b=0;

clrscr();

printf("Enter first number ");

scanf("%d",&a);

printf("Enter Second Number ");

scanf("%d",&b);

If(a==b)

 printf("both are equal");

else

 printf("Both are unequal ");

getch();

}

Q. write a program in C input three numbers and find the smallest one.

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,c=0;

clrscr();

printf("Enter first number ");

scanf("%d",&a);

printf("Enter Second Number ");

scanf("%d",&b);

printf("Enter Second Number ");

scanf("%d",&c);

If(a<b && a<c)

 printf("%d is smallest ",a);

else if (b<c)

 printf("%d is smallest",b);

else

 printf("%d is smallest ",c);

getch();

}

Q. write a program in C input three numbers and find the biggest one.

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,c=0;

clrscr();

printf("Enter first number ");

scanf("%d",&a);

printf("Enter Second Number ");

scanf("%d",&b);

printf("Enter Second Number ");

scanf("%d",&c);

If(a>b && a>c)

 printf("%d is biggest ",a);

else if (b>c)

 printf("%d is biggest",b);

else

 printf("%d is biggest ",c);

getch();

}

Q.Write a program in C that input a number and check odd or even.

#include<stdio.h>

#include<conio.h>

void main()

{

 int a=0;

 clrscr();

 printf("Enter a positive number ");

 scanf("%d",&a);

 If (a%2=0)

 printf("%d is even number ",a);

else

 printf("%d is odd number ",a);

getch();

}

Q.Write a program in C that input a year and check leap year or not a leap year

#include<stdio.h>

#include<conio.h>

void main()

{

 int a=0;

 clrscr();

 printf("Enter a year ");

 scanf("%d",&a);

 If (a%4=0)

 printf("%d is leap year ",a);

else

 printf("%d is not a leap year ",a);

getch();

}

Q.Write a program in C that input a number and check positive or negative.

#include<stdio.h>

#include<conio.h>

void main()

{

 int a=0;

 clrscr();

 printf("Enter an integer ");

 scanf("%d",&a);

 If (a>0)

 printf("%d is a positive number",a);

else

 printf("%d is negative number",a);

getch();

}

Q. Write a program in C input a three-digit number and reverse it without using a loop.

#include<stdio.h>

#include<conio.h>

void main()

{

  int a,r,rev=0;

  clrscr();

  printf("Enter a three digit number ");

  scanf("%d",&a);

  r=a%10;

  rev= rev *10+ r;

  a=a/10;

  r=a%10;

  rev= rev *10+ r;

  a=a/10;

  r=a%10;

  rev=rev* 10+ r;

  printf("reverse=%d",rev);

  getch();

}

Q. Write a program in C input a three-digit number and sum its digit without using a loop.

#include<stdio.h>

#include<conio.h>

void main()

{

  int a,r,rev,sum=0;

  clrscr();

  printf("Enter a three digit number ");

  scanf("%d",&a);

  r=a%10;

  rev= rev *10+ r;

  sum=sum+rev;

  a=a/10;

  r=a%10;

  rev= rev *10+ r;

  sum=sum+rev;

  a=a/10;

  r=a%10;

  rev=rev* 10+ r;

   sum=sum+rev;

  printf("sum=%d",sum);

  getch();

}

Q.Write a program in C input a  five-digit number and reverse and sum its digit without using a loop.

#include<stdio.h>

#include<conio.h>

void main()

{

  int a,r,rev,sum=0;

  clrscr();

  printf("Enter a five digit number ");

  scanf("%d",&a);

  r=a%10;

  rev= rev *10+ r;

  sum=sum+rev;

  a=a/10;

  r=a%10;

  rev= rev *10+ r;

  sum=sum+rev;

  a=a/10;

  r=a%10;

  rev= rev *10+ r;

  sum=sum+rev;

   a=a/10;

  r=a%10;

  rev= rev *10+ r;

  sum=sum+rev;

  a=a/10;

  r=a%10;

  rev=rev* 10+ r;

   sum=sum+rev;

  printf("reverse=%d",rev);

  printf("sum=%d",sum);

  getch();

}

Q. Write a program in C input a three and check it palindrome or not without using a loop.

#include<stdio.h>


#include<conio.h>

void main()

{

  int a,r,rev,n=0;

  clrscr();

  printf("Enter a three digit number ");

  scanf("%d",&a);

  n=a;

  r=a%10;

  rev= rev *10+ r;

  a=a/10;

  r=a%10;

  rev= rev *10+ r;

  a=a/10;

  r=a%10;

  rev=rev* 10+ r;

  If (rev==n)

  printf("%d is palindrome number" ,n);

  else 

   printf("%d is not a palindrome number",n);

  getch();

}

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