C Program To Find The Smallest Number Using if else

C Program To Find The Smallest of 2 Numbers Using if else

Algorithm -:

1. Program Start
2. Declare Variables
3. Input Two numbers
4. Check the condition
5. Display answer according the condition
6. Program End

Program -:

//C program to find Smallest of two numbers Using If Else

#include<stdio.h>
int main()
{
  // Variable declaration
   int a,b, small;

   printf("Enter Two Numbers\n");
   scanf("%d %d",&a,&b);

  // Small among a and b
    if(a<b)
      {
          small = a;
      }
    else
      {
          small = b;
      }

  //Display smallest number
    printf("%d is smallest number",small);
    
    return 0;
}

Output -:

Enter Two Numbers
10
29

10 is smllest number

C Program To Find The Smallest of 3 Numbers Using if else

Algorithm -:

1. Program Start
2. Declare Variables
3. Input three number From User
4. Check the condition
5. Display answer according the condition
6. Program End

Program -:

//C program to find Smallest among three numbers Using if else 

#include<stdio.h>
void main()
{
  // Variable declaration
   int a,b,c, small;

   printf("Enter Three Number\n");
   scanf("%d %d %d",&a,&b,&c);

  // Small among a, b and c
  if(a<b)
  {
      if(a<c)
        small = a;
      else
        small = c;
  }
  else
  {
      if(b<c)
        small = b;
      else
        small = c;
  }

//Display smallest number
 printf("%d is smallest number",small);

return 0;
}

Output -:

Enter Two Numbers
10
29

10 is smllest number

C Program To Find The Smallest of 4 Numbers Using if else

Program -:

//C program to find Smallest of four numbers Using If Else

#include<stdio.h>
int main()
{
  // Variable declaration
   int a,b,c,d, small;

   printf("Enter four Numbers\n");
   scanf("%d %d %d %d",&a,&b,&c,&d);

  // Small among a, b, c and d
    if(a<b)
      {  if(a<c)
          {
              if(a<d)
              {
                  small = a;
              }
              else
              {
                  small = d;
              }
          }
          else
          {  if(c<d)
              small = c;
             else
              small = d;
          }
      }
    else
      { if(b<c)
           {
               if(b<d)
               {
                small = b;
               }
               else
               {
                small = d;
               }
           }
           else
           { if(c<d)
               {
                small = c;
               }
              else
              {
                small = d;
              }
           }

      }

  //Display smallest number
    printf("%d is Smallest Number",small);

    return 0;
}

Output -:

Enter Four Numbers
10
28
19
7

7 is smallest number

C Program To Find The Smallest of 5 Numbers Using if else

Program -:

//C program to find Smallest of five numbers Using If Else

#include<stdio.h>
int main()
{
  // Variable declaration
   int a,b,c,d,e, small;

   printf("Enter five Numbers\n");
   scanf("%d %d %d %d %d",&a,&b,&c,&d, &e);

  // Small among a, b, c, d and e
    if(a<b)
      {  if(a<c)
          {
              if(a<d)
              {
                if(a<e)
                  small = a;
                else
                  small = e;
              }
              else
              {
                  if(d<e)
                    small = d;
                   else
                    small = e;
              }

          }
          else
          {  if(c<d)
               {
                    if(c<e)
                        small = c;
                    else
                        small = e;
               }
             else
             {
                 if(d<e)
                    small = d;
                 else
                    small = e;
             }

            }
      }
    else
      { if(b<c)
           {
               if(b<d)
               { if(b<e)
                   small = b;
                 else
                    small = e;
               }
               else
               { if(d<e)
                   small = d;
                 else
                    small = e;
               }
           }
           else
           { if(c<d)
               { if(c<e)
                   small = c;
                 else
                   small = e;
               }
              else
              { if(d<e)
                   small = d;
                else
                   small = e;
              }
           }
      }

  //Display smallest number
    printf("%d is Smallest Number",small);

    return 0;
}

Output -:

Enter five numbers
19
29
18
27
13

13 is smallest number