How to generate a random array of integers subject to a certain constraint
Posted on
16th Feb 2014 07:03 pm by
admin
I am writing a program that asks the user to enter an integer N and then generates a random array of integers of size 2^N, each of whose entries range from 1 to N+1. The final random array, however, must satisfy the following properties: the integer 1 can be stored in 1 slot, the integer 2 can only be stored in 1 slot, the integer 3 can only be stored in 2 slots, the integer 4 can only be stored in 4 slots... until all 2^N slots are filled with the integers 1, 2, ...,N+1.
I have written some code that asks the user to enter an integer N and then
generates a random array of integers of size 2^N but I cannot generate a random array subject to the constraints that I mentioned above. I have written a function, CheckArray, that returns the value of how many times a certain integer
Did you know?Explore Trending and Topic pages for more stories like this.
appears in the array but I don't know how to use it to help me get my desired random array.
Below is the code I have written so far. Note that the function CheckArray is not called in the program since I don't know how to use it yet.
#include
#include
#include
#include
#include
using namespace std;
int RandomNumber(int m);
int exponentiation(int n);
int CheckArray(int IntegerArray[], int sizeOfArray, int CType);
int main()
{ int N;
int NUMOFCELLS;
cout<< "Enter the maximum number of cell divisions you want: ";
cin>>N;
NUMOFCELLS = exponentiation(N);
cout<<"The maximum number of cells will be: ";
cout<
cout<<"n";
cout<<"n";
int sample[128]; // this reserves 128 integer elements
int t;
srand(time(0));
getchar();
for(t = 0; t <= NUMOFCELLS; t++)
{ sample[t] = RandomNumber(N); }
// display the array
for(t = 0; t < NUMOFCELLS; ++t)
{ cout << sample[t] << ' ' ; }
cout<<"n";
getchar();
return 0;
}
int RandomNumber(int m)
{ // generates a random number in the specified range from 0 to (m-1)
int iSecret;
iSecret = rand() % m + 1;
return(iSecret);
}
int exponentiation(int n)
{ int t;
int numberofcells;
numberofcells = 2;
for(t=1; t < n; ++t)
{numberofcells = 2*numberofcells;}
return(numberofcells);
}
int CheckArray(int IntegerArray[], int sizeOfArray, int CType)
{
int accumulator = 0;
int temp;
for(int i = 0; i < sizeOfArray; i++)
{ temp = IntegerArray[i];
if(temp == CType)
{accumulator++;}
}
return accumulator;
}
No comments posted yet
Your Answer:
Login to answer
349
46
Other forums
PHP hyperlinks generator - HELP plz
Hi
I need some help to get this done using php:
1 - I have few hyperlinks say 500
SAP Project Module
I have seen in the SAP Project Module,plan cost and budget are not equal and even difference is sign
how to get sn motherboard
Hello.
I want to get serial number motherboard, cpu and else hardware.
Can You show me sam
Count of reciepients in php mailer
How can i sent a mail to large no of reciepients say 10,00,00 Using PHP MAILER
BIG file upload!
Hey guys!
I'm trying to upload a file, it works well with smaller files but with 60mb+, I get
sql error
I have been looking at this code for 20mins and can't work out what I am doing wrong. There is somet
PHP hyperlinks generator
Hi
I need some help to get this done using php:
1 - I have few hyperlinks say 500
Call Screen statement Error
Dear Experts,
is there any setting that needs to be done before creating any dialog progr
EU VAT Package 2010
Does any one know whether SAP will be developing new reporting functionality due the new VAT rules t
Strange Oracle Query problem
Ok So I have this PHP class that talks to a Javascript class that basically creates a table of infor