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ASCIcode.txt
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ASCIcode.txt
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// ConsoleApplication1.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <conio.h>
int _tmain(int argc, _TCHAR* argv[])
{
char key;
int value_of_key;
int number = 0;
int lenght =0;
do
{
key = _getch();
if (key == 0 || key == -32)
{
_getch();
}
else
{
if (key >= '0' && key <= '9'&& lenght <9)
{
if(lenght >0 || key > '0'){
value_of_key = key - '0';
printf("%d",value_of_key);
// printf("You pressed %c, ascii code is %d.\n",key,key)
number = 10 * number + value_of_key;
lenght++;
putchar(key);
}
}
if (key = '\b' && lenght > 0)
{
number = number / 10;
lenght --;
if(lenght == 0)
{
printf("\b0");
}
else
{
printf("\b \b");
}
}
}
}
while (key != 27);
printf("\nThe number you entered is %d\n",number);
getchar();
return 0;
}