Write a program to get smallest number among three numbers.

//a program to get smallest number among three numbers.

#include<stdio.h>
#include<conio.h>
void main()
{
int x,y,z;
printf("enter 3 numbers\n");
scanf("%d%d%d",&x,&y,&z);
if(x<y && x<z)
{
printf("x is smallest");
}
elseif(y<x && y<z)
{
printf("y is smallest\n");
}
else
{
printf("z is smallest");
}
getch();
}

Write a program to know a number entered by you lies between two values/range or not

//a program to know a number entered by you lies between two values/range or not

#include<stdio.h>
#include<conio.h>
void main()
{
float n,range_v,range_v1;
printf("enter a number to check\n");
scanf("%f",&n);

printf("enter range values");

scanf("%f%f",&range_v,&range_v1);
if(n>range_v && n<range_v1)
{
printf("it lies in range");
}
else 

{
printf("it does not\n");
}
getch();
}

Write a program to get greatest number among three numbers.

//a program to get greatest number among three numbers.
#include<stdio.h>
#include<conio.h>
void main()
{
int x,y,z;
printf("enter  numbers\n");
scanf("%d%d%d",&x,&y,&z);
if(x>y && x>z)
{
printf("x is greatest");
}
elseif(y>x && y>z)
{
printf("y is greatest\n");
}
else
{
printf("z is greatest");
}
getch();
}

Write a program to know two numbers entered by you are same or not.

//a program to know two numbers entered by you are same or not.
#include<stdio.h>
#include<conio.h>
void main()
{
float n,n1;
printf("enter a number\n");
scanf("%f%f",&n,&n1);
if(n==n1)
{
printf("they are equal");
}
else
{
printf("they are not");
}
getch();
}

Write program to know a number is positive or negative or zero.

//a program to know a number is positive or negative or zero.
#include<stdio.h>
#include<conio.h>
void main()
{
float n;
printf("enter a number\n");
scanf("%f",&n);
if(n>0)
{
printf("it is +ve");
}
else if(n<0)
{
printf("it is -ve\n");
}
else
{
printf("it is zero");
}
getch();
}

program to know a number is even or odd

//program to know a number is even or odd
#include<stdio.h>
#include<conio.h>
void main()
{
int x;
printf("enter a number\n");
scanf("%d",&x);
if(x%2==0)
{
printf("it is an even number");
}
else
{
printf("it is an odd number\n");
}
getch();
}

if-else programs collection

1) Write a program to know a number is even or odd.

                                                solution

2) Write a program to know a number is divisible by both 3 and 5 or not.

                                                 solution

3) Write program to know a number is positive or negative or zero.

                                                 solution

4)Write a program to know two numbers entered by you are same or not.

                                              solution

5) Write a program to get greatest number among three numbers.

                                                                                                   solution
6)Write a program to know a number entered by you lies between two values/range or not.

                                                                                                  solution
7)Write a program to get smallest number among three numbers.

                                                                                                 solution
8)Write a program to get sum or product or difference or quotient of two numbers using switch.


                                                                                             solution
9) Write a program to know a triangle is right angled or not.

                                                                                         solution

10) Write a program to know a triangle is equilateral or not.

                                                                                         solution
                                                                               
                                                                             
                                                              goto next section