voidmain(intargc,char*argv[]){intdone=0,n,myid,numprocs,i;doublePI25DT=3.141592653589793238462643;doublemypi,pi,h,sum,x;doublestartwtime,endwtime;intnamelen;charprocessor_name[MPI_MAX_PROCESSOR_NAME];MPI_Init(&argc,&argv);MPI_Comm_size(MPI_COMM_WORLD,&num
