Answer / santosh mundhe

Another advantage is that u can extend namespace within the
same file ....

E.g
#include <iostream>

using namespace std;

namespace
{
int myval;
void funct (int);
}

namespace
{
void funct (int i)
{
cout << i << endl;
}
}

int main()
{
funct(myval);
return 0;
}

Answer / c++ coder

in addition to the advantage mentioned above , there is one
more that the namespace is local to the file and one cannot
use it into another by 'using namespace' since it is
unnamed.

#include <stdio.h> #include <alloc.h> #include <stdlib.h> #include <conio.h> void insert(struct btreenode **, int); void inorder(struct btreenode *); struct btreenode { struct btreenode *leftchild; struct btreenode *rightchild; int data; }; main() { struct btreenode *bt; bt=(struct btreenode *)NULL; int req,i=1,num; clrscr(); printf("Enter number of nodes"); scanf("%d",&req); while(i<=req) { printf("Enter element"); scanf("%d",&num); insert(&bt,num); i++; } inorder(bt); } void insert(struct btreenode **sr, int num) { if(*sr==NULL) { *sr=(struct btreenode *)malloc (sizeof(struct btreenode)); (*sr)->leftchild=(struct btreenode *)NULL; (*sr)->rightchild=(struct btreenode *)NULL; (*sr)->data=num; return; } else { if(num < (*sr)->data) insert(&(*sr)->leftchild,num); else insert(&(*sr)->rightchild,num); } return; } void inorder(struct btreenode *sr) { if(sr!=(struct btreenode *)NULL) { inorder(sr->leftchild); printf("\n %d",sr->data); inorder(sr->rightchild); } else return; } please Modify the given program and add two methods for post order and pre order traversals.

0 Answers  

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difference between overloading and overridding

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