Conditional Statements (C Programming)

 Conditional Statements :

1:  If Else  

eg:

 Conditional Operator :

Ternary :

eg 

Switch :

eg #include <stdio.h>

int main () {

int day ; // 1- mon ; 2- tues ; 3 wed

printf ("enter day(1-7) : ") ;

scanf ("%d" , & day) ;

switch (day) {

    case 1 : printf("monday\n");

    break;

    case 2 : printf("tuesday \n");

    break;

    case 3 : printf("wednesday \n") ;

    break;

    case 4 : printf("thrusday \n") ;

    break ;

    case 5 : printf ("friday \n ");

    break;

    case 6 : printf ("saturday \n ") ;

    break;

    case 7 : printf ("sunday \n ");

    break;

    default : printf ("not a valid day \n") ;

}

return 0 ;    

}

eg :

#include <stdio.h>

int main () {

int number;

printf("entar a number :");

scanf ("%d ", & number);

 if (number >= 0) {

   printf("positive \n ") ;

if (number % 2 == 0) {

    printf ("even \n ");

} else {

    printf ("odd \n ");

}

} else {

    printf ("negative\n ");

}

return 0 ;    

}