Answer / majid - iran

#include<iostream>
#include<conio.h>
#include<time.h>

using namespace std;

int **m;
long q=0;
long num=0;
long number=0;

long fact( long n )
{
return ( n > 0 ? n*fact(n-1) : 1 );
}

long C( long n , long r )
{
return ( fact(n)/(fact(r)*fact(n-r)) );
}

bool isPrinted(int *a, long n)
{
bool is=true;
for(long i=0;i<num;i++)
{
is=true;
for(long j=0;j<n;j++)
{
if(a[j]!=m[i][j])
{
is=false;
}
}
if(is)return true;
}
return false;
}

void print(int *a,long n)
{
int swap=0;
for(long i=0;i<n;i++)
{
for(long j=i;j<n;j++)
{
if(a[j]<a[i])
{
swap=a[i];
a[i]=a[j];
a[j]=swap;
}
}
}
if(!isPrinted(a,n))
{
number++;
cout<<number<<".{";
for(long i=0;i<n;i++)
{
cout<<a[i];
m[q][i]=a[i];
if(i!=n-1)
{
cout<<",";
}
}
q++;
cout<<"}"<<endl;
}
}

void printAll(int *a,int *b,long n,long k)
{
if(q<num)
{
if(k==1)
{
print(a,n);
}
if(k==0)
{
print(a,n);
}
else if(k>0)
{
int *c, *d;
long p=0;
for(long j=0;j<k;j++)
{
p=0;
c=new int[k-1];
for(long t=0;t<k;t++)
{
if(t!=j)
{
c[p]=b[t];
p++;
}
}
d=new int[n];
for(long i=-1;i<n;i++)
{
for(long t=0;t<n;t++)
{
d[t]=a[t];
}
if(i!=-1)
{
d[i]=b[j];
}
printAll(d,c,n,k-1);
}
}
delete c , d;
}
}
}

int main()
{
time_t start , end;
long n = 0 , k = 0;
cout<<"Enter n:";
cin>>n;
cout<<"Enter k:";
cin>>k;
int *a=new int[n];
for(long i=0;i<n;i++)
{
cin>>a[i];
}
int *b=new int[k];
int *c=new int[n-k];
for(long i=0;i<n;i++)
{
if(i<k)
{
b[i]=a[i];
}
else
{
c[n-i-1]=a[i];
}
}
system("cls");
cout<<"S={";
for( long i = 0 ; i < n ; i++ )
{
cout<<a[i];
if( i != n-1 )
cout<<",";
}
cout<<"}"<<endl;
num=C(n,k);
m=new int*[C(n,k)];
for(long i=0;i<C(n,k);i++)
{
m[i]=new int[k];
}
start=clock();
printAll(b,c,k,n-k);
delete a , b , c;
end=clock();
cout<<"All of subsets printed in "<<float(end-
start)/float(CLK_TCK)<<" seconds."<<endl;
getch();
return 0;
}

A research student is given a singly-linked list. Each node of the list has a color, which is either “Black” or “White”. He must find if there are more black nodes than white nodes, or vice versa. His advisor gives him 5,000Rs to buy a computer to do the work. He goes to the computer store and finds a slightly defective computer which costs a mere 3,000Rs. This computer has the small problem of not being able to do arithmetic. This means that he cannot use a counter to count the nodes in the list to determine the majority color. The computer is otherwise fully functional. He has the evil idea that he could buy the defective computer and somehow use it to do his work, so that he can use the rest of the money on enjoyment. Show how he can accomplish this amazing task. Write code for an algorithm called ‘findMajorityColor’ which takes a singly-linked list, L, with n nodes and returns the majority color among nodes of L. This algorithm should have the same asymptotic running time as counting the nodes (O(n)). Note: No arithmetic is allowed.

2 Answers  

---

Code for Two Classes for Doing Gzip in Memory?

0 Answers  

---

write a function – oriented program that calculates the sum of the squares from 1 to n. thus, if the input is 3, the output is 14

3 Answers  

---

i really need help about this.. write a program to display the set of odd and even numbers separately. find the highest and lowest value of the given numbers.

0 Answers  

---

Write a simple encryption program using string function which apply the substitution method.

0 Answers  

---

Deriving time complexity of Binary tree and AVL tree, step by step.

4 Answers   NetApp,

---

a program using one dimensional array that searches a number if it is found on the list of given input numbers given by the user and locate its exact location in the list.. ""EXAMPLE"" enter how many numbers to be inputted: 5 12 14 11 09 30 what number to search: 11 11 IS FOUND IN LOCATION 3 PLZZZ.. ELP ME...

3 Answers  

---

Ask the user to input three positive integers M, N and q. Make the 2 dimensional array of integers with size MxN, where all the elements of I (I = 1,…,M) line will be members of geometrical progression with first element equal to the number of line (I) and denominator q.

0 Answers  

---

can we declare an object of a class in another class?(assume both class as public classes)

1 Answers   Microsoft,

---

Write a program using one dimensional array that searches a number and display the number of times it occurs on the list of 12 input values. Sample input/output dialogue: Enter 12 values: 13 15 20 13 30 35 40 16 18 20 18 20 Enter number to search: 20 Occurences: 3

2 Answers  

---

Implement a command console for changing settings on a particular object. The command console should allow you to enter a string and will return the response (very similar to a terminal session). The commands are as follows: SET propertyname=newvalue will change the target object’s member named “propertyname” to have a value equal to “newvalue”. If the input value is incompatible (i.e. an int being set to a string), print out an appropriate error message. GET propertyname will print out the current value of the target object’s member named “propertyname”. GET * will print out a list of all target object members and their current values. The system should be extensible for future commands and should accept an arbitrary object, such that another developer could insert another object into the system and rely on the command console to get and set the properties correctly.

0 Answers   ABC, Guidance Software,

---

Code for Easily Using Hash Table?

0 Answers  

---