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Find maximum and minimum of an array using Loop Splitting

Posted By: Maisie Hughes     Category: C Programming     Views: 5977

Find maximum and minimum of an array using Loop Splitting.

Code for Find maximum and minimum of an array using Loop Splitting in C Programming

# include <stdio.h>
# include </usr/include/sys/types.h>
# include </usr/include/sys/shm.h>
# include </usr/include/sys/ipc.h>

# include "forkjoin.h"int main()
{
    int arr[10]={1,2,3,4,5,6,7,8,9,10};
    int FinalSum=0;
    int id,NPROC=5;
    int iCount;
    int shmid;
    int *MAX,FinalMax;
    int *MIN,FinalMin;
        shmid=shmget(IPC_PRIVATE,sizeof(int)*NPROC,IPC_CREAT| SHM_R | SHM_W);
    MAX=(int *)shmat(shmid,0,0);
    
    shmid=shmget(IPC_PRIVATE,sizeof(int)*NPROC,IPC_CREAT | SHM_R | SHM_W);
    MIN=(int *)shmat(shmid,0,0);
    
    id=process_fork(NPROC);

    MAX[id]=arr[id];
    MIN[id]=arr[id];

    for(iCount=id+NPROC;iCount<10;iCount=iCount+NPROC)
    {
        if(arr[iCount] > MAX[id])
        {
            MAX[id]=arr[iCount];
        }
        
        if(arr[iCount] < MIN[id])
        {
            MIN[id]=arr[iCount];
        }
    }    
    process_join(NPROC,id);
    
    FinalMax=MAX[0];
    FinalMin=MIN[0];
    
    for(iCount=1;iCount<NPROC;iCount++)
    {
        if(FinalMax < MAX[iCount])
        {
            FinalMax=MAX[iCount];
        }        
        
        if(FinalMin > MIN[iCount])
        {
            FinalMin=MIN[iCount];
        }
    }    

     printf("\n Maximum : %d \n",FinalMax);
     printf("\n Minimum : %d \n",FinalMin);

    return 0;
}

/* Output

[divyen@localhost PP-TW1]$ ./Prog08

Maximum : 10

Minimum : 1


*/
  
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Maisie Hughes
Maisie Hughes author of Find maximum and minimum of an array using Loop Splitting is from London, United Kingdom.
 
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