#include<stdio.h>
#include<mpi.h>
#define n 10
 
 
	int rank,size;
	int a[n];
	int i;
	int lsum,gsum;
	int lavg,gavg;
	MPI_Init(&argc,&argv);
	MPI_Comm_rank(&rank,MPI_COMM_WORLD);
	MPI_Comm_size(&size,MPI_COMM_WORLD);
	srand(rank);
	for(i=0;i<n;i++)
	{
		a[i]=rand()%10;
 
	}
	for(i=0;i<n;i++)
	{
		lsum+=a[i];
 
	}
	lavg=lsum/n;
	MPI_Reduce(&lsum,gsum,1,MPI_INT,MPI_SUM,0,MPI_COMM_WORLD);
	printf("sum %d",gsum);
	MPI_Finalize();
	return 0;
 
 
 
 

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