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 .

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***********************************************************/

/*Exercise 1-02:.*/

#include<stdio.h>

main()
{
printf("hello, worlda");
printf("hello, world7");
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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C Strings

K and R C Programs Exercise

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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 .

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***********************************************************/



#include<stdio.h>

main()
{
printf("hello, worln');
}


/*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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C Strings

K and R C Programs Exercise

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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, worln")
}


/*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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C Basic

K and R C Programs Exercise

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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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C Program to implement Warshall’s Algorithm

Data structures using C, Here we solve the Warshall’s algorithm using C Programming Language. Warshall’s algorithm enables to compute the transitive closure of the adjacency matrix of any digraph.

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* programs for commercial purposes,
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*
* Happy Coding
***********************************************************/

#include<stdio.h>
#include<conio.h>
#include<math.h>
int max(int,int);
void warshal(int p[10][10],int n)
{
int i,j,k;
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
p[i][j]=max(p[i][j],p[i][k]&&p[k][j]);
}
int max(int a,int b)
{ ;
if(a>b)
return(a);
else
return(b);
}
void main()
{
int p[10][10]={0},n,e,u,v,i,j;
clrscr();
printf("n Enter the number of vertices:");
scanf("%d",&n);
printf("n Enter the number of edges:");
scanf("%d",&e);
for(i=1;i<=e;i++)
{
printf("n Enter the end vertices of edge %d:",i);
scanf("%d%d",&u,&v);
p[u][v]=1;
}
printf("n Matrix of input data: n");
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
printf("%dt",p[i][j]);
printf("n");
}
warshal(p,n);
printf("n Transitive closure: n");
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
printf("%dt",p[i][j]);
printf("n");
}
getch();
}
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C Program to implement Floyd’s Algorithm

Data structures using C, Here we solve the Floyd’s algorithm using C Programming Language. Floyd’s algorithm uses to find the least-expensive paths between all the vertices in a Graph.

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* and browse!
*
* Happy Coding
***********************************************************/

#include<stdio.h>
#include<conio.h>
int min(int,int);
void floyds(int p[10][10],int n)
{
int i,j,k;
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(i==j)
p[i][j]=0;
else
p[i][j]=min(p[i][j],p[i][k]+p[k][j]);
}
int min(int a,int b)
{
if(a<b)
return(a);
else
return(b);
}
void main()
{
int p[10][10],w,n,e,u,v,i,j;;
clrscr();
printf("n Enter the number of vertices:");
scanf("%d",&n);
printf("n Enter the number of edges:n");
scanf("%d",&e);
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
p[i][j]=999;
}
for(i=1;i<=e;i++)
{
printf("n Enter the end vertices of edge%d with its weight n",i);
scanf("%d%d%d",&u,&v,&w);
p[u][v]=w;
}
printf("n Matrix of input data:n");
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
printf("%d t",p[i][j]);
printf("n");
}
floyds(p,n);
printf("n Transitive closure:n");
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
printf("%d t",p[i][j]);
printf("n");
}
printf("n The shortest paths are:n");
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
if(i!=j)
printf("n <%d,%d>=%d",i,j,p[i][j]);
}
getch();
}
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C Program to solve N Queen’s problem

N Queen’s problem is the puzzle. Placing chess queens on a chessboard, so thatNo two queens attack each other. Here we use the Brute-Force method to solve the problem.Read more about C Programming Language .

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* 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>
#include<conio.h>
#include<math.h>
int a[30],count=0;
int place(int pos)
{
int i;
for(i=1;i<pos;i++)
{
if((a[i]==a[pos])||((abs(a[i]-a[pos])==abs(i-pos))))
return 0;
}
return 1;
}
void print_sol(int n)
{
int i,j;
count++;
printf("nnSolution #%d:n",count);
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(a[i]==j)
printf("Qt");
else
printf("*t");
}
printf("n");
}
}
void queen(int n)
{
int k=1;
a[k]=0;
while(k!=0)
{
a[k]=a[k]+1;
while((a[k]<=n)&&!place(k))
a[k]++;
if(a[k]<=n)
{
if(k==n)
print_sol(n);
else
{
k++;
a[k]=0;
}
}
else
k--;
}
}
void main()
{
int i,n;
clrscr();
printf("Enter the number of Queensn");
scanf("%d",&n);
queen(n);
printf("nTotal solutions=%d",count);
getch();
}
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C program to cyclically permute the elements of an array.

Example programs to solve the problems of Arrays in C. In This program we, cyclically permute the array elements i.e. arr[0] becomes arr[1], arr[1] becomes arr[2]…so ..on. Read more about C Programming Language .

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* 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>

void main ()
{
int i,n,number[30];
printf("Enter the value of the n = ");
scanf ("%d", &n);
printf ("Enter the numbersn");
for (i=0; i<n; ++i)
{
scanf ("%d", &number[i]);
}
number[n] = number[0];

for (i=0; i<n; ++i)
{
number[i] = number[i+1];
}
printf ("Cyclically permted numbers are given below n");
for (i=0; i<n; ++i)
printf ("%dn", number[i]);
}
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C program to delete the specified integer from the Array.

Example programs to solve the problems of Arrays in C. In This program we, delete the Array Element, if entered element is in the Array, Else gives the Error message. Read more about C Programming Language .

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* programs for commercial purposes,
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* To find more C programs, do visit www.c-program-example.com
* and browse!
*
* Happy Coding
***********************************************************/

*/

#include <stdio.h>

void main()
{
int vectx[10];
int i, n, pos, element, found = 0;

printf("Enter how many elementsn");
scanf("%d", &n);

printf("Enter the elementsn");
for(i=0; i<n; i++)
{
scanf("%d", &vectx[i]);
}

printf("Input array elements aren");
for(i=0; i<n; i++)
{
printf("%dn", vectx[i]);
}

printf("Enter the element to be deletedn");
scanf("%d",&element);

for(i=0; i<n; i++)
{
if ( vectx[i] == element)
{
found = 1;
pos = i;
break;
}
}

if (found == 1)
{
for(i=pos; i< n-1; i++)
{
vectx[i] = vectx[i+1];
}

printf("The resultant vector is n");
for(i=0; i<n-1; i++)
{
printf("%dn",vectx[i]);
}
}
else
printf("Element %d is not found in the vectorn", element);

}
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C program to split the array from perticular position

Example programs to solve the problems of Arrays in C. In This program we, cyclically permute the array elements i.e. arr[0] becomes arr[1], arr[1] becomes arr[2]…so ..on. 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>

void main ()
{
int number[30];
int i,n,a,j;

printf ("Enter the value of nn");
scanf ("%d",&n);

printf ("enter the numbersn");
for (i=0; i<n; ++i)
scanf ("%d", &number[i]);

printf ("Enter the position of the element to split the array n");
scanf ("%d",&a);

for (i=0; i<a; ++i)
{
number[n] = number[0];

for (j=0; j<n; ++j)
{
number[j] = number[j+1];
}
}

printf("The resultant array isn");
for (i=0; i<n; ++i)
{
printf ("%dn",number[i]);
}
}
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Array In C

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