C language to generate random Numbers method of of a different set of random Numbers
- 2020-04-02 02:04:57
- OfStack
//Space for time
void diffarr(int arr[],int n)
{
int sn=n,index,*ptr=arr;
int *pfrom=new int[sn];
for(int i=0;i<sn;i++)
*(pfrom+i) =i+1 ;
srand(time(0));
for(int k=0;k<sn;)
{
index=rand()% sn;
if(*(pfrom+index)!=0)
{ //Fetch from the source data pfrom, set it to 0 for each fetch until all elements in the pfrom are 0
*(ptr+k)=pfrom[index];
pfrom[index]=0;
k++;
}
}
delete [] pfrom;
}