鍍金池/ 教程/ Java/ Fortran do...while循環(huán)結(jié)構(gòu)
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Fortran do...while循環(huán)結(jié)構(gòu)

它重復(fù)語句或一組語句,當(dāng)給定的條件為真。它測試的條件執(zhí)行在循環(huán)體之前。

語法

do while (logical expr) 
   statements
end do

流程圖

do while

示例

program factorial  
implicit none  

   ! define variables
   integer :: nfact = 1   
   integer :: n = 1 
   
   ! compute factorials   
   do while (n <= 10)       
      nfact = nfact * n 
      n = n + 1
      print*,  n, " ", nfact   
   end do 
end program factorial  

當(dāng)上述代碼被編譯和執(zhí)行時,它產(chǎn)生了以下結(jié)果:

1         1
2         2
3         6
4        24
5       120
6       720
7      5040
8     40320
9    362880
10  3628800