C program 2 numbers check if a is divisible by b

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1.00/5 (1 vote)

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#include <stdio.h> 
  int main() {
  int a,d;
  scanf("%d,%d",&a,&d);
	if(a%d==0)
		printf("%d is divisible by %d" , a ,d);
    return 0;
}

whats wrong with the program ? if i run it is asking me for a number but not displaying what i want

What I have tried:

anything................................................

Posted 10-Nov-22 7:03am

Bogdan Alexandru Oct2022

Updated 5-May-23 1:34am

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jeron1 10-Nov-22 13:19pm

You could try removing the comma between the %d's if the scanf call.

3 solutions

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0x01AA · Answer 1 · 2022-11-10T07:20:00

Solution 1

Kind of boring if you simply ask 'what is the problem' before you try to think and solve it by yourself.

Compare this

scanf("%d,%d",&a,&d);

with similar you did in your other questions....
e.g.

scanf("%d %d %d %d" , &a ,&b , &c , &d);

Posted 10-Nov-22 7:20am

0x01AA

Patrice T · Answer 2 · 2022-11-10T08:27:00

Quote:
whats wrong with the program ? if i run it is asking me for a number but not displaying what i want

You need to understand what is really doing your program, the tool of choice is the debugger.

Your code do not behave the way you expect, or you don't understand why !

There is an almost universal solution: Run your code on debugger step by step, inspect variables.
The debugger is here to show you what your code is doing and your task is to compare with what it should do.
There is no magic in the debugger, it don't know what your code is supposed to do, it don't find bugs, it just help you to by showing you what is going on. When the code don't do what is expected, you are close to a bug.
To see what your code is doing: Just set a breakpoint and see your code performing, the debugger allow you to execute lines 1 by 1 and to inspect variables as it execute.

Debugger - Wikipedia, the free encyclopedia[^]

Mastering Debugging in Visual Studio 2010 - A Beginner's Guide[^]
Basic Debugging with Visual Studio 2010 - YouTube[^]

1.11 — Debugging your program (stepping and breakpoints) | Learn C++[^]

The debugger is here to only show you what your code is doing and your task is to compare with what it should do.

Member 15996694 · Answer 3 · 2023-05-05T01:34:00

Solution 4

I think while input you have to put comma(,) between the values a and b.
for ex: 12,14. Other than that your structure of code is good.

Posted 5-May-23 1:34am

Member 15996694