Enter Temperature in Celsius : 37 Enter Temperature in Fahrenheit : 98 Temperature in Fahrenheit : 98.599998 Temperature in Celsius : 36.666668

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

Algorithm -:

1. Program Start
2. Variable Declaration
3. Input two number
4. Check the condition, ternary (conditional) operator.
5. Display answer according the condition
6. Program End

Program:-

//C program to find Largest among two numbers using if else

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

   printf("Enter two number\n");
   scanf("%d %d",&a,&b);

  // Smallest among a and b
   if(a>b)
      larg = a;
   else
      larg = b;

  //Display largest number
   printf("largest among 2 Number is : %d",larg);

}

Output -:

Enter two numbers
10
8
Largest among 2 number is : 10

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

Program -:

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

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

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

  // larg among a, b and c
  if(a>b)
  {
      if(a>c)
        larg = a;
      else
        larg = c;
  }
  else
  {
      if(b>c)
        larg = b;
      else
        larg = c;
  }

//Display Largest Number
 printf("%d is largest number",larg);

return 0;
}

Output -:

Enter Three Numbers
9
15
19

19 is largest number

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

Program -:

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

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

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

  // larg among a, b, c and d
    if(a>b)
      {  if(a>c)
          {
              if(a>d)
              {
                  larg = a;
              }
              else
              {
                  larg = d;
              }
          }
          else
          {  if(c>d)
              larg = c;
             else
              larg = d;
          }
      }
    else
      { if(b>c)
           {
               if(b>d)
               {
                larg = b;
               }
               else
               {
                larg = d;
               }
           }
           else
           { if(c>d)
               {
                larg = c;
               }18
              else
              {
                larg = d;
              }
           }

      }

  //Display Largest number
    printf("%d is Largest Number",larg);

    return 0;
}

Output -:

Enter four Numbers
10
28
129
18

129 is Largest Number

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

Program -:

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

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

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

  // larg among a, b, c, d and e
    if(a>b)
      {  if(a>c)
          {
              if(a>d)
              {
                if(a>e)
                  larg = a;
                else
                  larg = e;
              }
              else
              {
                  if(d>e)
                    larg = d;
                   else
                    larg = e;
              }

          }
          else
          {  if(c>d)
               {
                    if(c>e)
                        larg = c;
                    else
                        larg = e;
               }
             else
             {
                 if(d>e)
                    larg = d;
                 else
                    larg = e;
             }

            }
      }
    else
      { if(b>c)
           {
               if(b>d)
               { if(b>e)
                   larg = b;
                 else
                    larg = e;
               }
               else
               { if(d>e)
                   larg = d;
                 else
                    larg = e;
               }
           }
           else
           { if(c>d)
               { if(c>e)
                   larg = c;
                 else
                   larg = e;
               }
              else
              { if(d>e)
                   larg = d;
                else
                   larg = e;
              }
           }
      }

  //Display Largest number
    printf("%d is Largest Number",larg);

    return 0;
}

Output -:

Enter five numbers
18
32
28
281
828

828 is Largest Number