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Print elements in sorted order from a row_column wise sorted matrix

  #include <iostream> using namespace std;   struct Node {     int val;      int r;      int c; };   void minHeapify(Node harr[], int i, int heap_size) {     int l = i * 2 + 1;     int r = i * 2 + 2;      if(l < heap_size&& r<heap_size && harr[l].val < harr[i].val && harr[r].val < harr[i].val){             Node temp=harr[r];             harr[r]=harr[i];             harr[i]=harr[l];             harr[l]=temp;             minHeapify(harr ,l,heap_size);             minHeapify(harr ,r,heap_size);         }           if (l < heap_size && harr[l].val < harr[i].val){             Node temp=harr[i];...
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Reverse of an array using c and c++

 Hi, guys in this post we will see about  Reverse of an array using c and c++ * c++ code #include <iostream> using namespace std; //Compiler version g++ 6.3.0 int main() {     int a[5]={1,2,3,4,5};     int temp ;     int i=4;     int j=0;     for(i=4;i>5/2;i--)     {       temp=a[i];       a[i]=a[j];       a[j]=temp;       j++;            }     for(int k=0;k<5;k++){       cout<<a[k];     } }   C code #include<stdio.h> //Compiler version g++ 6.3.0 int main() {     int a[ 5 ]={ 1 , 2 , 3 , 4 , 5 };     int temp ;     int i= 4 ;     int j= 0 ;     for (i= 4 ;i> 5 / 2 ;i--)     {       temp=a[i];       a[i]=a[j]; ...
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Create and display Doubly circular link list in c++ code

 Hi, guys code for creating and displaying doubly circular link list using c++ given below #include <iostream> using namespace std; struct node {     int data;     node *next;     node *prev; }; struct node *tail,*head; /*creating doubly circular link list*/ void createdcll() {     node *newnode;     int choice;     head=0;     while (choice!=0)     {         newnode= new node;         cout<< "enter the dcll data" <<endl;         cin>>newnode->data;         if (head==0) {             head=tail=newnode;             head->next=head;      ...
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Queue using array in c++ code

 Hi, guys Queue using array in c++ code given below #include <iostream> using namespace std; int queue [5]; int front=-1; int rear=-1; void enqueue( int x) {     if (rear==5-1) {         cout<< "overflow condition" ;     }     else if (rear==-1 and front==-1)     {         front=rear=0;         queue[front]=x;     }     else {         rear++;         queue[rear]=x;     } } void dequeue() {     if (front==-1 and rear==-1)     {         cout<< "underflow cond" ;     }     else if (rear==front)     {         front...
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Queue using link list c++ code

 Hi, guys code for queue using link list in c++ language #include<iostream> using namespace std; struct node {     int data;     node *next; }; struct node *front=0, *rear=0; void enqueue(int x) {     node *newnode;     newnode=new node;     newnode->next=0;     newnode->data=x;     if(front==0 and rear==0)     {         front=rear=newnode;     }     else     {         rear->next=newnode;         rear=newnode;     } } void display () {     node *temp=front;     while(temp!=0)     {         cout<<temp->data<<endl;         temp=temp->next;     } } void dequeue() {     node *temp=front;     front=front->next;     delete (temp) ; } main() {     enqueue(3) ...
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