unreachable code

This is a discussion on unreachable code within the C Programming forums, part of the General Programming Boards category; << split from http://cboard.cprogramming.com/c-pro...-eloquent.html >> i have issue with this program when it runs it shows the error of unreachable ...

  1. #1
    Registered User
    Join Date
    Mar 2012
    Posts
    3

    unreachable code

    << split from How can I make this simple assignment more eloquent ? >>
    i have issue with this program when it runs it shows the error of unreachable code plz anyone tell me how to solve this error in c langugae

    Code:
    #include<stdio.h>
    #include<conio.h>
    void main(void)
    {
    clrscr();
    float num1,num2,add,sub,mul,div;
    char op,ans;
    printf("Enter the number and operation which you want to perform:\n");
    scanf("%f %c %f",&num1,&op,&num2);
    	do
    	{
    	  {
    		 if(op=='+')
    		{
    		add=num1+num2;
    		printf("Resut of addition %f\n",add);
    		break;
    		}
    		else if(op=='-')
    		{
    		sub=num1-num2;
    		printf("Result of subtraction %f\n",sub);
    		break;
    		}
    		else if(op=='*')
    		{
    		mul=num1*num2;
    		printf("Result of multiplication %f\n",mul);
    		break;
    		}
    		else
    		{
    		div=num1/num2;
    		printf("Result of division %f\n",div);
    		break;
    		}
    	printf("Do you want to continue:(y/n):");
    	scanf("%c",&ans);
    	}
    	}
    	while(ans!='n');
    getch();
    }

  2. #2
    and the hat of wrongness Salem's Avatar
    Join Date
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    Well you don't need break statements inside an if / elseif chain,
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
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