C -All Conditional Statement Programs-if, if-else, if-else ladder, switch and ternary operator

Following are programs for if, if-else, if-else ladder, switch and ternary operator


//Program to check password using if :-

#include<stdio.h>

#include<conio.h>

void main()

{

int PASS=0123;

int user=7887,p=0,u=0;

printf("Hello\n\n Enter your username id =");

scanf("%d",&u);

printf("Enter password");

scanf("%d",&p); 

if(p==PASS && u==user )

{

printf("Welcome !!");

}

getch();

}

//Program to check password using if-else:-

#include<stdio.h>

#include<conio.h>

void main()

{

int PASS=0123;

int user=7887,p=0,u=0;

printf("Hello\n\n Enter your username id =");

scanf("%d",&u);

printf("Enter password");

scanf("%d",&p); 

if(p==PASS && u==user )

{

printf("Welcome !!");

}

else

{

printf("Invalid Entry");

}

getch();
}

//Program to print month using else-if ladder :-

  

#include<stdio.h>

void main()

{

int day=0;

printf("enter day number");

scanf("%d",&day);

if(day==1)

printf("Monday");

else if (day==2)

printf("tuesday");

else if (day==2)

printf("wednesday");

else if (day==2)

printf("thursday");

else if (day==2)

printf("friday");

else if (day==2)

printf("saturday");

else if (day==2)

printf("Sunday");

else

printf("Invalid entry...try again !!");

 }

//Program to print day using switch case :-

#include<stdio.h>

void main()

{

int day=0;

printf("enter day number");

scanf("%d",&day);

case 1 :printf("Monday");

            break;

case 2: printf("tuesday");

             break;

case 3 :printf("wednesday");

            break;

case 4 :printf("thursday");

              break

;case 5 :printf("friday");

               break;

case 6: printf("saturday");

              break;

case 7 :printf("Sunday");

              break;

default : printf("Invalid entry...try again !!");

                 break;

 }

//Program of ternary operator Programs:-

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