I never used nullptr aswell

I never used nullptr aswell

And I never use NULL. I place 0 instead of it :)

And I never use NULL. I place 0 instead of it :)

And I never use NULL. I place 0 instead of it :)

And use nullptr for pointers

#include<iostream> #include<stdlib.h> using namespace std; struct node { int data; struct node *next; }*first; void create(int a[],int size) { int i=0; struct node *t,*last; first=new node; first->data=a[i]; first->next=NULL; last=first; for(i=1;i<size;i++) { t=new node; t->data=a[i]; t->next=NULL; last->next=t; last=t; } } void Display(struct node *t) { while(t) { cout<<t->data<<" "; t=t->next; } } int count(struct node *p) { int count=0; while(p) { count++; p=p->next; } } void Insert(struct node *p,int position,int x) { struct node *t=new node; t->data=x; if(position<0||position>count(p))return; if(position==0) { t->next=first; first=t; } else { for(int i=0;i<position-1;i++)p=p->next; t->next=p->next; p->next=t; } } int main() { int a[]={1,9,3,7,6,4,5,2,8}; create(a,9); Display(first); cout<<endl; Insert(first,5,100); Display(first); cout<<endl; return 0; }

It may cause ambiguity in big applications as 0 may resolved to undefined memory or over the memory allocated for program

I thought you were saying for pointers

short num = 400; // 400 is 0b110010000 cout << sizeof(num) << endl; // 2 char buffer[2]; buffer[0] = num >> 8; buffer[1] = num & 0xFF; cout << (short)buffer[0] << endl; // 1 // 1 is 0b1 cout << (short)buffer[1] << endl; // 144 // 144 is 0b10010000

how do u paste your code like this?

how do u paste your code like this?

Selected text and choose monospace formatting in the context menu

try reading characters and when you read a ' ' put a '\n'

(2 * 2) + 10 / 2 - 9

Why would I do that?, That will change the priority of the given operations. The point for what I want to do is that make a simple calculator by recursive and binary tree

If I have an array of large strings in C++, and I'm iterating over them using for(string s: arr) Does it make any improvements to the performance if I use a reference iterator variable instead? Like string &s

Yes it does, you avoid a lot of unnecessary copies. Ideally use a const reference const std::string& String : Array)

create program to input name years of birth then display the data in a table |no|Name|Age|Future use modulo as the calculation to decide a future of each person

What is i want to save it into a new variable(array)?

Training to practice on func that gets dinamic array and I want to make new arr that will contain the same numbers as the last one but without the duplicate numbers . Every time I try to make for loop Inside for loop I get runtime error but I don't think that I'm out of my Range

Are there any differences?

Anyone can help me for coding its urgent now

question？

Hello guys I'm trying to print a double with dropping decimals but it keeps rounding up or down, how can I prevent it from rounding???🤔 Its like below: double x = 203.706 printf("%.0lf", x) Output: 204

double x = 203.706; printf("%.3lf", x);

Hello guys I'm trying to print a double with dropping decimals but it keeps rounding up or down, how can I prevent it from rounding???🤔 Its like below: double x = 203.706 printf("%.0lf", x) Output: 204

He want to drop decimals

Hello guys I'm trying to print a double with dropping decimals but it keeps rounding up or down, how can I prevent it from rounding???🤔 Its like below: double x = 203.706 printf("%.0lf", x) Output: 204