#include<stdio.h>#include<omp.h>intmain(void){#ifdef _OPENMPif(omp_get_max_threads()==2){return0;}else{printf("Max threads is %d not 2.\n",omp_get_max_threads());return1;}#elseprintf("_OPENMP is not defined; is OpenMP compilation working?\n");return1;#endif}