Discuss..thx

[aslamhenry]

please key in any 5 digits number : 56789

and the ouput is
5678 9
567 89
56 789
5 6789


how to write those program......


my idea is like this...
#include <stdio.h>


void main()
{
int num;
float num1,num2,num3,num4;
float r1,r2,r3,r4;


printf("please key in any 5 digit number:");
scanf("%d",&num);


num1=num/10;
num2=num/100;
num3=num/1000;
num4=num/10000 ;


r1=num%10;
r2=num%100 ;
r3=num%1000 ;
r4=num%10000 ;


printf("\n %.0f %.0f",num1,r1);
printf(" \n %.0f %.0f",num2,r2);
printf(" \n %.0f %.0f",num3,r3);
printf(" \n %.0f %.0f",num4,r4);


}


___________________________________________________________________________­
___

the problem occur when i entered nnumber 56789.It output become
rubbish..
but if i key in 12345 the program excute nicely.....


anyone can tell what wrong with my coding...


and i really appriciate if someone can make it more efficient....

 

[Victor Bazarov]

please key in any 5 digits number : 56789

and the ouput is
5678 9
567 89
56 789
5 6789


how to write those program......


my idea is like this...
#include <stdio.h>


void main()
{
int num;
float num1,num2,num3,num4;
float r1,r2,r3,r4;

Change 'float' to 'int' and the formats to %i.

printf("please key in any 5 digit number:");
scanf("%d",&num);


num1=num/10;
num2=num/100;
num3=num/1000;
num4=num/10000 ;


r1=num%10;
r2=num%100 ;
r3=num%1000 ;
r4=num%10000 ;


printf("\n %.0f %.0f",num1,r1);
printf(" \n %.0f %.0f",num2,r2);
printf(" \n %.0f %.0f",num3,r3);
printf(" \n %.0f %.0f",num4,r4);


}


___________________________________________________________________________­
___

the problem occur when i entered nnumber 56789.It output become
rubbish..

Could it be that your 'int' has only 16 bits? Then the largest number
it is going to handle is 32767.

but if i key in 12345 the program excute nicely.....


anyone can tell what wrong with my coding...


and i really appriciate if someone can make it more efficient....

Efficient? Your code is efficient enough. It's not generic enough,
so it can't do the same output for any number (two-digit to fifty-digit
ones, for example), but that's not the goal, right?

V

 

[Phlip]

void main()

'void main' makes Comedy Central into the only real journalism on the air.
Please always use 'int main'.

printf("\n %.0f %.0f",num1,r1);
printf(" \n %.0f %.0f",num2,r2);
printf(" \n %.0f %.0f",num3,r3);
printf(" \n %.0f %.0f",num4,r4);

Your professor is asking you to learn loop statements. num1 should be
num[0], hence num[index].

Then, after you add a 'for' loops, learn to use this: printf(" - %*s - ",
42, ""). The * will substitute your index in, and provide those spaces. The
rest is math.

Next, printf() is generally only useful in C. This group discusses C++,
which modern students should generally learn first before C. So if you
signed up for C++, but your professor is teaching C first, you should start
learning C++ on your own. The book /Accellerated C++/ is about using C++ as
a simple starter language.