#include<iostream>
#include<cstdlib>
#include<ctime>
#include<sys/ipc.h>
#include<sys/shm.h>
#include<unistd.h>
#define SHM_KEY 1234
#define N 100
using namespace std;

int main(){
	int total=N*N;
	int shmSize = total*sizeof(int);
	//create shared memory segment 
	int shmId=shmget(SHM_KEY,shmSize,IPC_CREAT|0666);
	if(shmId<0) {
	cout<<"Error mem Create"<<endl;
	return 1;
	            }
	int *matrix=(int *) shmat(shmId,NULL,0);
	for(int i=0;i<total;i++){
	  matrix[i]=rand()%100; }

	  cout<< "Shares mem id = "<< shmId <<endl;
	  shmdt(matrix);
	return 0;
	

    }