GeeksforGeeks

Please explain the associativity and order of execution in this statement
b= a + ++b + (a-b);
() has the highest precedence. but a-b is not executed first..
It is just executed from left to right

implementing stacks and queues using inheritance from linked list???

This statement swaps the values in a and b :
b=a+b-(a=b);
can anyone plz explain the steps involved in the execution of this statement...
I guessed a=b would be executed first since it is inside brackets.. then the statement will become :
b=a+b-b; But a=b has been executed so variable a is supposed to contain the value of b & it would be like :
b=b+b-b; //But this doen't happen

Instead values of a & b are swapped.. Please explain steps involved i...

You are racing on a 2D lattice grid starting from the origin (0,0) towards a goal (M,N) where M and N are positive integers such that 0 < M <= N. There is a checkpoint that's neither on the origin nor on the goal with coordinates (m,n) such that 0 <= m <= M and 0 <= n <= N. You must clear the checkpoint before you reach the goal. The shortest path takes T = M + N steps.
At each point, you can move to the four immediate neighbors at a fixed speed, but since you don't wa...

Q. write an algorithm to sort the n element of an array having element 1 to n , without using extra static variable ,global variable ,any extra space like other array?

#include<stdio.h>

int main()
{
  int i, j;
  int arr[4][4] = { {1, 2, 3, 4},
                    {5, 6, 7, 8},
                    {9, 10, 11, 12},
                    {13, 14, 15, 16} };
  for(i = 0; i < 4; i++)
    for(j = 0; j < 4; j++)
      printf("%d ", j[i[arr]] );

  printf("\n\n");

  for(i = 0; i < 4; i++)
    for(j = 0; j < 4; j++)
      printf("%d ", i[j[arr]] );

  return 0;
}

The elements of an array are 1s and 0s. Change all the elements of this array as 1.
Use only a single statement and do not use any operator other than the assignment operator

How to find the number of elements in an integer array ?
Cannot append NULL at the end and check for it bcoz the element 0 will be mistaken as NULL

n=sizeof(arr)/sizeof(arr[0]);
This gives the entire predefined size and not the no. of elements in it

I've written a code to traverse a knight to all the squares on a chess board only once. The problem with this(below) code is, its working till 7x7 and doing nothing after 8x8. The code is
Here [b]chessBoardSize[/b] defines the size(8=> 8x8)

#include<stdio.h>
#include<stdlib.h>
#define chessBoardSize 8

int chessBoard[chessBoardSize][chessBoardSize] = {0};
typedef struct point{
	int x, y;
}POINT;
int count=0;

int nextPosition(int x, int y, POINT* array){
	int m=...

let say we want to build a binary search tree(BST) in a c++.
we can use a map for that.
map builts the "balanced" BST in the form of red black tree.

now we want to a built a balanced BST in which we also want to modify the contents of
internal nodes while inserting a node in bst.
e.g each node has a member 'count' which is equal to number of nodes in left subtree. In this case
we need to modify internal nodes too.
In this case which inbuilt contain...

i need to do subtraction multiplication and divison on linked list...can any one help me

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

void fn(int x, int y);

int main(void)
{
    int a = 4;
    int b = -4;

    printf("[%s, %s, %c]\n", "\12" "3", "\123", "\123");

    printf("[a: %d, b: %d]\n", a>>-1, b>>1);

    printf("Mod variants: 5,3 [Q: %2d, R: %2d]\n", 5/3, 5%3);
    printf("Mod variants: -5,3 [Q: %2d, R: %2d]\n", -5/3, -5%3);
    printf("Mod variants: 5,-3 [Q: %2d, R: %2d]\n", 5/-3, 5%-3);
    printf("Mod variants: -5,-3 [Q: %2d, R: %2d]\n", -5/-3, -5%...

Can anybody tell whether we can instantiate a zero member class or not??
If yes what is the size of the object

eg:
Class A{

}

A a

Is it valid to create a...if yes what is the size of object a

Write a C program to Transpose 2 Matrices and find their product

Can a variable be qualified with both const and volatile at the same time?

extern int const volatile *port;

Is the above code allowed in C/C++ programming?

c program for sting statement reversing order to display.

ex.
input:
have a nice day.
output:
day nice a have.

can anyone explain me ...how to make a process as daemon process...
???