#include <omp.h>
#include <stdio.h>
#include <stdlib.h>
#define CHUNKSIZE 10
#define N 100

int main (int argc, char *argv[]) {
	int nthreads, tid, i, chunk;
	float a[N], b[N], c[N];
	double start, end;			// used for timing

	for (i=0; i < N; i++)
		a[i] = b[i] = i * 1.0;		 // initialize arrays

	chunk = CHUNKSIZE;

	start = omp_get_wtime(); 	//start time measurement

	#pragma omp parallel shared(a,b,c,nthreads,chunk) private(i,tid) 
	{
		tid = omp_get_thread_num();
		if (tid == 0){
			nthreads = omp_get_num_threads();
			printf("Number of threads = %d\n", nthreads);
		}
		printf("Thread %d starting...\n",tid);

		#pragma omp for schedule(dynamic,chunk)
		for (i=0; i<N; i++){
			c[i] = a[i] + b[i];
			printf("Thread %d: c[%d]= %f\n",tid,i,c[i]);
		}
	} /* end of parallel section */

	end = omp_get_wtime();	//end time measurement
	printf("Time of computation: %f seconds\n", end-start);
	return(0);
}