rajan596

#include<memory>  // in memoty library 
 
auto_ptr<int> a(new int);
auto_ptr<int> b;
*a=10;

cout<<a.get()<<endl;  // 10

b=a;  // pointer authority transferred to b

rajan596

int *p=new int;

cout<<(*p)<<endl; // No problem
delete p;         // memory pointed by p is de allocated

cout<<(*p)<<endl; // errot due to dangeling pointer

rajan596

auto a=3.2 + 5;  // a=8.2

// auto in function
auto add(int a,int b){
  return a+b;
}

a=add(1,2);  // a=3

string s="abcdssdfshfbj";

rajan596

class Animal{
   static int count=0;
   Animal(){
      count++;
   }
}

Animal *a[10];
for(int i=0;i<10;i++)
  a[i]=new Animal();

rajan596

1..........................................................
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

#include<stdio.h>
#include<conio.h>

rajan596

// data in file is like
// No. Name Mark1 Mark2 Mark3


// Use full file path instead of just file name if any error occurs !!

function menu()
    disp("1 : Read File");
    disp("2 : Write File");
    disp("3 : Search in File");