hello_world_omp.c
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			#include <stdio.h>
			#include <omp.h>
			int main(int argc, char *argv[]) {
			int myrank=0;
			int mysize=1;
			#if defined (_OPENMP)
			#pragma omp parallel default(shared) private(myrank, mysize)
			{
			mysize = omp_get_num_threads();
			myrank = omp_get_thread_num();
			#endif
			printf("Hello from thread %d out of %d\n", myrank, mysize);
			#if defined (_OPENMP)
			}
			#endif
			return 0;
			}

phys-743-exercises/openmp/hello_world_omp.c09f1a6af4a64solutions