Sunday 23 December 2012

Determine ASCII value for a inputted key/character

/* compiler- Turbo c++ author- Mangilal Sharma --------------------------------------------------------*/
/* A program to determine ASCII value for a input key. */

#include <stdio.h>
#include <conio.h>
#include <bios.h>

int getkey(void);

void main()
{
 int x;
 clrscr();
 printf("Enter any Key: ");
 x=getkey();
 printf("\nASCII VALUE  OF ENTERED KEY IS: %d",x);
 getch();
}

int getkey(void)
{
 int key, lo, hi;
 key = bioskey(0);
 lo  = key & 0X00FF;
 hi  = (key & 0XFF00) >> 8;
 return((lo == 0) ? hi + 256 : lo);
}

 /*=========================30Nov.,2011=============================*/

Count number of characters, blanks, tabs, lines, numerals of a file

/* compiler- Turbo c++ author- Mangilal Sharma --------------------------------------------------------*/
/* C++ program to determine number of characters, blanks, tabs, lines, numerals of a file. */

#include<stdio.h>
#include<conio.h>

void main()
{
 FILE *fp;
 char ch;
 int nol=0,not=0,nos=0,noc=0,non=0;
 clrscr();
 fp=fopen("data.txt","r");
 while(1)
 {
  ch=fgetc(fp);
  if(ch==EOF)
  break;
  noc++;
  if(ch==' ')
  nos++;
  if(ch=='\n')
  nol++;
  if(ch=='\t')
  not++;
  if(ch>=48 && ch<=57)
  non++;
 }
 fclose(fp);
 printf("\n Number of characters = %d",noc);
 printf("\n Number of blanks = %d",nos);
 printf("\n Number of tabs = %d",not);
 printf("\n Number of lines = %d",nol);
 printf("\n Number of Numerals = %d",non);
 getch();
}

 /*=========================24Nov.,2011=============================*/

Text File: data.txt

This program taken from http://world-of-c-programming.blogspot.com/
Check regualrly for new programs.
For testing-
some symbols: *&%$$^@!
some numbers: 23445673
some tab spaces: a b c

Output:


Matrix creation by using only one dimensional array

/* compiler- Turbo c++ author- Mangilal Sharma --------------------------------------------------------*/
/* Do work of matrix by using only one dimensional array */
#include <conio.h>
#include <stdio.h>
#include <iostream.h>

void main()
{
 clrscr();
 int m,a[100],n;
 cout<<"Enter no. of rows for matrix:";
 cin>>n;
 cout<<"Enter no. of columns for matrix:";
 cin>>m;
 cout<<"Enter the elements for matrix:\n";
 int k=0;
 for(int i=0;i<n;i++)
 {
  for(int j=0;j<m;j++)
  {
   cout<<"Enter element for matrix location "<<i<<","<<j<<" :";
   cin>>a[k++];
  }
 }
 k=0;
 for(i=0;i<n;i++)
 {
  for(int j=0;j<m;j++)
  {
   cout<<"matrix location for"<<i<<","<<j<<" :";
   cout<<"is"<<&a[k++];cout<<endl;
  }
 }
 int row;
 printf("Which row we show u:");
 scanf("%d",&row);
 k=(row-1)*m;
 {
  for(int j=0;j<m;j++)
  {
   cout<<a[k++];cout<<"\t";
  }
  cout<<endl;
 }
 getch();
}
 /*=========================19Nov.,2011=============================*/