A simple Menu Problem

This is a discussion on A simple Menu Problem within the C Programming forums, part of the General Programming Boards category; Hi I have to make a menu for a general case using just if else statement and do-while , while ...

  1. #1
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    Oct 2009
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    4

    A simple Menu Problem

    Hi I have to make a menu for a general case using just if else statement and do-while , while and for loops .
    Also for the choice 1 and choice 2 after printing it should show the main menu again only for choice 3 it should exit the program .
    Thanks for your help





    Code:
    #include <stdlib.h>
    #include <stdio.h>
    
    int main()
    {
    	int choice=0;
    	
    	do{
    		printf("Please select one of the choice\n\n");
    		printf(" 1) Calcultae resistance value\n");
    		printf(" 2) Help\n");
    		printf(" 3) Exit\n");
    		
    		scanf("%d",&choice);
    		
    		if (choice<1 || choice>3) 
    		{
    			printf("Invalid choice\n");
    			printf("Select again\n\n");
    			choice=0;
    		}			
    		
    	}
    	while(choice<1 || choice>3);
    	
    
    	
    do {
    	
    		
    		if (choice==1) 
    		{
    			printf("The value is\n");
    			choice=0;
    		}			
    
    		
    		
    		else if (choice==2) 
    		{
    			printf("The help menu  \n");
    			choice=0;
    		}			
    		
    	
    
    	} 
    	while (choice!=3 );
    
    	system("exit"); 
    	return 0;
    		
    }

  2. #2
    The superhaterodyne twomers's Avatar
    Join Date
    Dec 2005
    Location
    Ireland
    Posts
    2,262
    I'd say you don't need the second loop, and consider changing the conditions of the first loop to ... } while ( choice != 3 );

    Then do the if-else tree in the first loop.

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