C program newbee

Hi,

I have written the following code. Which on the basis of few conditions, calculates whether the person is eligible for insurance or not.

When is execute the code, the program does'nt accept the second input and directly jumps to the third input.

Could you please suggest what is wrong witht the code.
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CODE:
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Code:

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#include<stdio.h>
main()

{
int age;
char gender,status;
       
        printf("\n enter your gender m/f : ");
        scanf("%c",&gender);
       
        printf("\n enter your status a/u: ");
        scanf("%c",&status);

        printf("\n enter your age: ");
        scanf("%d",&age);
       
       
        if((status=='a')||((status=='u')&&(gender=='m')&&(age>30))||((status=='u')&&(gender=='f')&&(age>25)))
                printf("you are insured");
        else
                printf("you are not insured");
        }

---

================================================== ===========

OUTPUT
--------


$ ./new03.exe

enter your gender m/f : m

enter your status a/u: <does'nt wait for the user to enter the value>
enter your age: 23
you are not insured
================================================== ===========

Hello friend. Take a look at this thread Same problem.

Also you might want to look at the tutorials on this site. Good place to start.

I think the mistake is in the if loop where the braces need to be used correctly.
For example if you say a || b || c and you want to first compute a combination of two of the three you need to specify it!!! like (a||b) || c.

I hope it helps.

Quote:

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Originally Posted by Sasi Srinivas

I think the mistake is in the if loop where the braces need to be used correctly.
For example if you say a || b || c and you want to first compute a combination of two of the three you need to specify it!!! like (a||b) || c.

I hope it helps.

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"If()" is a condition to check, NOT "loop". And there will be no impact on output whether you choose (a||b) || c or a || b || c. The difference is made by Operator Precedence. Read Operator Precedence

Quote:

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Originally Posted by AndrewHunter

Hello friend. Take a look at this thread Same problem.

Also you might want to look at the tutorials on this site. Good place to start.

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Thanks! AndewHunter. getchar() did it for me.

Quote:

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Originally Posted by Sasi Srinivas

I think the mistake is in the if loop where the braces need to be used correctly.
For example if you say a || b || c and you want to first compute a combination of two of the three you need to specify it!!! like (a||b) || c.

I hope it helps.

---

1) if() is not a loop
2) the problem is occuring long before he gets there
3) it is skipping the second input because of a newline character left behind by the first.

Per CommonTater's point #3, note the space on the 2nd scanf() now

Code:

---


#include<stdio.h>
int main()

{
int age;
char gender,status;

        printf("\n enter your gender m/f : ");
        scanf(" %c",&gender);

        printf("\n enter your status a/u: ");
        scanf(" %c",&status);

        printf("\n enter your age: ");
        scanf("%d",&age);


        if((status=='a')||((status=='u')&&(gender=='m')&&(age>30))||((status=='u')&&(gender=='f')&&(age>25)))
                printf("you are insured");
        else
                printf("you are not insured");


        return 0 ;
}


/* OUTPUT

enter your gender m/f : m

 enter your status a/u: u

 enter your age: 99
you are insured


*/

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There are many possible solutions for this.

1) You can use fflush(stdin). This is not recommended though.
2) You can use getche() instead of scanf.
Example:
gender=getche();
3). Or you can just place a getch() after each scanf.

There would be many other ways to do this as well...

All of the above three would make it work.

This problem appears to have already been solved by the OP 5 days ago.

Quote:

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1) You can use fflush(stdin). This is not recommended though.

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It's not that it's "not recommended." It is actively discouraged as it is technically undefined. Perhaps you should have explained to the self-professed beginner why this is not appropriate to use.

Why fflush(stdin) is wrong

Hi..
instead of usiing scaf() function use getchar() function the problem will be solved!!!!

Quote:

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Originally Posted by parimal.s.dave

Hi..
instead of usiing scaf() function use getchar() function the problem will be solved!!!!

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I am not sure what you are getting at but the problem was solved 5 days ago. There is no need to bump old threads when you have no new information to provide. If you have a question on something start a new thread or if you like something feel free to use the like link.