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this is the latest i tried . if i enter a then it will become an endless loop . i enter 1 it print invalid and ask me to re-enter for only twice .




#include <stdio.h>
#include <ctype.h>
...

yea..i tried but couldn't find solution for it ....

no no no....this is my college work.. to get bonus mark for my coursework..

im so sorry again.. im still a newbie in programming... too complicated ... can't unnderstand...sorry

thx and sorry i forget to mention . i need to print invalid and ask user to re-enter. sorry...

sorry i don know how to use isdigit() . can anyone pls write a C statement for me ? just a short and simple one. if not digit i need to print invalid and ask the user to re-enter again .

teach me how to do validiation check pls . I prompt user to enter their age . and need to check if he/she enter the right things . how to check wether the user enter a digit or not . if not digit...

thank you so much . Well , im still to this programming things . My mistake this is C not C++ . Although i don know some things that you all said but my problem is solve . I just replace the if...

pls help me in my c++
no error at all, i can run it but just that the if and else statement no use . they just run the if statement no matter what i enter . Pls help me . this is just an assignment...

ok... i did create a project . the problem now is i can only see the output of the project main.cpp with pressing the command+shift+r but i couldn't run file i create.
it gives me the error when i...

Well .. i don really understand.. i have another question. when it succeeded why it din show me the output ? how to see the output of my C ? how to execute to show the display like the visual 6 C++...

Well. I'm also not sure whats the problem is. I just downloaded this Xcode3.1 . I just create a project C++ tool then add file C++ file with a.cpp . then i just wrote the program in there. I target...

HI..I just learn C++ programming in my college. My college teach us using visual 6c++ , which is a window program. I'm using a macbook right now with Xcode . I'm trying to make C++ using xcode but...