LP(Multi), C++ (gcc)

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//g++  7.4.0

////////////////////////////////////////////////////////////////////////////////LP(Multi):understanding Linear Probing in hashing(Multiplication method)
//this code is  created by Rezaul Hoque on September 18,2022;
//contact:jewelmrh@yahoo.com;Dhaka,Bangladesh;https://rezaulhoque.wordpress.com,https://hoquestake.blogspot.com
//note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning;
//////////////////////////////////////////////////////////////////////////////
#include <iostream>
#include <cmath>

class LP{
int n=8;
int k[8];
int v[8];
public:

LP(int s[],int t[]){

for(int i=0;i<n;i++){
  k[i]=s[i];
  v[i]=t[i];
      }                   
         
}

void hash(){

int tab[n];
int val[n];
for(int i=0;i<n;i++){
  tab[i]= -1;
  val[i]=-1;
}
for(int i=0;i<n; i++){
int h=floor(n*fmod(k[i]*0.618,1));
if(tab[h]== -1)
{
 tab[h]=k[i];
  val[h]=v[i];
}
else
  {
     for(int j=0;j<n;j++){
      int q=(h+j)%n;
    if(tab[q]== -1)
    {
       tab[q]=k[j];
        val[q]=v[j];
      break;
      }
    }
  }
 }

for (int i=0;i<n; i++)
std::cout<<tab[i]<<" "<<val[i]<<"\n";
}
};
int main(){
int a[]={700,103,107,109,111,113,115,117};
int val[]={90,32,24,51,70,30,11,87};

LP lh(a,val);

lh.hash();

return 0;
}

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Compilation time: 0.41 sec, absolute running time: 0.14 sec, cpu time: 0.01 sec, memory peak: 6 Mb, absolute service time: 0,69 sec