Skip to content

fixed your problem #1

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
AnnaChekanova wants to merge 1 commit into
base: master
Choose a base branch
from
Open

fixed your problem #1

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 10 additions & 13 deletions src/pointers.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,27 +2,24 @@

using namespace std;

void myswap(int * ptr1, int* ptr2)
void myswap(int** ptr1, int** ptr2)//pointers to pointers must be passed to the function
{
auto temp = ptr1;
ptr1 = ptr2;
ptr2 = temp;
int *temp = *ptr1;
*ptr1 = *ptr2;
*ptr2 = temp;
}


int main()
{
int a = 25, b = 11;
int a = 25, b = 11;
int* pa = &a, * pb = &b;//initialize the pointers with which we will work

cout<<"What am I doing wrong ☹ \n\n";
cout << "Now i'm doing everything right :) \n\n";

cout<<"a = "<<a<<", b = "<<b<<endl;

//swap(a,b); //why does theirs work????

myswap(a, b); // but mine doesn't ?!?!?!?!!!???

cout<<"a = "<<a<<", b = "<<b<<endl;
cout << "a = " << *pa << ", b = " << *pb << endl;

myswap(&pa, &pb); // now we pass the addresses of the pointers with which we work to the function

cout << "a = " << *pa << ", b = " << *pb << endl;
}