C Program to Find Greatest of Four Number using if-elseif-else Statements

 Program to Find Greatest of Four Number using if-elseif-else Statements

#include<stdio.h>

void main()

{

int a,b,c,d;

printf("enter the four numbers : ");

scanf("%d%d%d%d",&a,&b,&c,&d);

//if first number is greater than second number

if(a>b)

{

//if first number is greater than third number

if(a>c)

{

//if first number is greater than fourth number

if(a>d)

printf("%d is greatest",a);

else

//fourth number is greater than first number i.e fourth number is also greater than 2nd and 3rd number

printf("%d is greatest",d);

}

//if 3rd number is greater than 1st number i.e 3rd number is also greater than 2nd number

else

{

//if 3rd number is greater than 4rth number

if(c>d)

printf("%d is greatest",c);

else

//if not than 4rth is greatest

printf("%d is greatest",d);

}

}

//if 2nd is greater than 1st number

else

{

if(b>c)

{

if(b>d)

printf("%d is greatest",b);

else

printf("%d is greatest",d);

}

else

{

if(c>d)

printf("%d is greatest",c);

else

printf("%d is greatest",d);

}

}

}

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