例:程序的优化 PROGRAM EXAM3 INTEGER PRIME PROGRAM EXAM3 DO|=50,100 INTEGER: PRIME, index 50: 100 IF(PRIME(0==1)THEN Do|=50,100 S=S+ index(i=PRIme(* WRTE(*,米 END DO END IF WRITE(,)'S= Sum(index) END DO END WRITE()'S=S ENDPROGRAM EXAM3 INTEGER:: PRIME, index(50:100) DO I=50,100 index(i)=PRIME(I)*i END DO WRITE(*,*)'S=',Sum(index) END 例：程序的优化 PROGRAM EXAM3 INTEGER PRIME DO I=50,100 IF (PRIME(I)==1) THEN S=S+I WRITE(*,*)I END IF END DO WRITE(*,*)'S=',S END