Nov 4, 2011

K&R C Program Exercise 1-12

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C Program that prints its input one word per line.Read more about C Programming Language .



/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
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* and browse!
* 
*                      Happy Coding
***********************************************************/





#include <stdio.h>
int main(void)
{
 int ch;
 int flag;

 flag = 0;
 while((ch = getchar()) != EOF)
 {
  if(ch == ' ' || ch == '\t' || ch == '\n')
  {
   if(flag == 0)
   {
    flag = 1;
    putchar('\n');
   }

  }
  else
  {
   flag = 0;
   putchar(ch);
  }
 }
 return 0;
}
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K&R C Program Exercise 1-11

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. How would you test the word count program? What kinds of input are most likely to uncover bugs if there are any?. Read more about C Programming Language .


To test the word count program try some of the following inputs: 

1. input file contains zero words , output should be 0, 0, 0.
2. input file contains 1 enormous word without any newlines 
3. input file contains all white space without newlines 
4. input file contains 66000 newlines 
5. input file contains word
{huge sequence of white space of different kinds}/word 
6. input file contains 66000 single letter words,
 66 to the line 
7. input file contains 66000 words without any newlines 


Some boundary conditions are:
-no input
-no words--just new lines
-no words--just blanks,tabs, and new lines
-one word per line--no blanks and tabs
-word starting at the beginning of the line
-word starting after some blanks.

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K&R C Program Exercise 1-10

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C Program to Replace each tabs by '\t', backspace by '\b', and each bakslash by '\\'.Read more about C Programming Language .



/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/

#include <stdio.h>

#define BACK_SLASH '\\'

int main(void)
{
 int c;

 while((c = getchar()) != EOF)
 {
  switch(c)
  {
  case '\b':
   putchar(BACK_SLASH);
   putchar('b');
   break;
  case '\t':
   putchar(BACK_SLASH);
   putchar('t');
   break;
  case BACK_SLASH:
   putchar(BACK_SLASH);
   putchar(BACK_SLASH);
   break;
  default:
   putchar(c);
   break;
  }
 }
 return 0;
}
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K&R C Program Exercise 1-09

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C Program to replacing each string of one or more blanks by a single blank.Read more about C Programming Language .


/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/

#include <stdio.h>

int main(void)
{
 int ch;
 while ((ch = getchar()) != EOF) {
  if (ch == ' ') {
   putchar(ch);
   while((ch = getchar()) == ' ' && ch != EOF)
    ;
  }
  if (ch == EOF)
   break; 

  putchar(ch);
 }
 return 0;
}
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Nov 3, 2011

K&R C Program Exercise 1-08

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C Program to count blanks, tabs, and newlines. Read more about C Programming Language .


 
/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/

#include <stdio.h>

int main(void)
{
 int bl, tb, nl;
 int c;
 int done = 0;
 int lastc = 0;

 bl = 0;
 tb = 0;
 nl = 0;

 while(done == 0)
 {
  c = getchar();

  if(c == ' ')
   ++bl;

  if(c == '\t')
   ++tb;

  if(c == '\n')
   ++nl;

  if(c == EOF)
  {
   if(lastc != '\n')
   {
    ++nl; 
   }
   done = 1;
  }
  lastc = c;
 }

 printf("Blanks: %d\nTabs: %d\nLines: %d\n", bl, tb, nl);
 return 0;
}
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Nov 2, 2011

K&R C Program Exercise 1-07

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C program to print the value of EOF.Read more about C Programming Language .
C program to print the value of EOF .


/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/




#include <stdio.h>

int main(void)
{
 printf("The value of EOF is %d\n\n", EOF);

 return 0;
}
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K&R C Program Exercise 1-06

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C Program to Verify that the expression getchar() != EOF is 0 or 1. The program reads the charecters from the standard input and return 1, while getchar has a charecter to read it. When the program encounters the end of file,then it prints 0.Read more about C Programming Language .


/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/




#include <stdio.h>

int main(void)
{
 printf("Press a key. ENTER would be nice :-)\n\n");
 printf("The expression getchar() != EOF evaluates to %d\n", getchar() != EOF);
 return 0;
}
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K&R C Programs Exercise 1-05

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C program to print the Temperature table in reverse order, that is, from 300 degrees to 0 using for loop. Read more about C Programming Language .

/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/

#include <stdio.h>

/* print Fahrenheit-Celsius table */
int
main()
{
 int fahr;

 for (fahr = 300; fahr >= 0; fahr = fahr - 20)
  printf("%3d %6.1f\n", fahr, (5.0/9.0)*(fahr-32));

 return 0;
}
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K&R C Program Exercise 1-03

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C program to print the corresponding Fahrenheit to Celcius table. print Fahrenheit-celcius table for fahrenheit=0,20.......300;floating-point version. Read more about C Programming Language .

/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/




#include <stdio.h>

int main(void)
{
 float fahr, celsius;
 int lower, upper, step;

 lower = 0;
 upper = 300;
 step = 20;

 printf("F     C\n\n");
 fahr = lower;
 while(fahr <= upper)
 {
  celsius = (5.0 / 9.0) * (fahr - 32.0);
  printf("%3.0f %6.1f\n", fahr, celsius);
  fahr = fahr + step;
 }
 return 0;
}
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K&R C Program Exercise 1-04

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. C program to print the corresponding Celsius to Fahrenheit table. print Celsius-Fahrenheit table for Celsius=0,20.......300;floating-point version. Read more about C Programming Language .

/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/

/*C  program to print the corresponding Celsius to Fahrenheit table. */

#include <stdio.h>

int main(void)
{
 float fahr, celsius;
 int lower, upper, step;

 lower = 0;
 upper = 300;
 step = 20;

 printf("C     F\n\n");
 celsius = lower;
 while(celsius <= upper)
 {
  fahr = (9.0/5.0) * celsius + 32.0;
  printf("%3.0f %6.1f\n", celsius, fahr);
  celsius = celsius + step;
 }
 return 0;
}
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Oct 30, 2011

K&R C Program Exercise 1-02

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. Experiment to find what happens when printf's argument string contains \c, where c is some character not listed above. Read more about C Programming Language .


/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/

/*Exercise 1-02:.*/

#include<stdio.h>

main()
{
 printf("hello, world\a");
 printf("hello, world\7");
 printf("hello, world\?");
}


/*Output: The result of this experiment is compiler dependent. One possible result might be: 
hello, world hello, worldhello, world? 
where is a short beep produced by ASCII*/
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K&R C Program Exercise 1-01(c)

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. Run the "hello, world" program on your system.  Experiment with leaving out parts of the program to see what error messages you get. Read more about C Programming Language .


/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/



#include<stdio.h>

main()
{
 printf("hello, worl\n');
}


/*Output: The doubble qoute (") after \n is mistyped as single quote ('). 
The single quote, along with right parenthesis and the semicolon, is takes as part
of the string. The compiler should recognize this as an error and complain 
is missing:
1-1c.c: In function 'main':
1-1c.c:7:9: warning: missing terminating " character
1-1c.c:7:2: error: missing terminating " character
1-1c.c:8:1: error: expected expression before '}' token
1-1c.c:8:1: error: expected ';' before '}' token*/
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K&R C Program Exercise 1-01(b)

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. Run the "hello, world" program on your system. Experiment with leaving out parts of the program to see what error messages you get. Read more about C Programming Language .
/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/



#include<stdio.h>

main()
{
 printf("hello, worl\n")
}


/*Output: The semicolon (;) is missing after printf(). The compiler should recognize that the semicolon is missing and print the appropriate message: 
1-1b.c: In function 'main':
1-1b.c:8:1: error: expected ';' before '}' token*/
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K&R C Program Exercise 1-01(a)

K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. Experiment with leaving out parts of the program to see what error messages you get.Read more about C Programming Language .
/***********************************************************
* You can use all the programs on  www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
* 
*                      Happy Coding
***********************************************************/



#include<stdio.h>

main()
{
 printf("hello, world");
}


/*Output: The new line character (\n) is missing.
 This leaves the cursor at the end of the line.*/

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