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5
一道程序编译顺序的考题,涉及到函数调用的先后顺序及运算符号的优先级等问题。下面我展开给你讲。
C的程序编译总是从main函数开始的,这道题的重点在“fun((int)fun(a+c,b),a-c)) ”语句。
系统首先要确定最外层 fun()函数的实参,第一个参数的确定需要递归调用fun()函数(不妨称其为内层函数)。内层函数的两个参数分别为x=a+b=2+8=10、y=b=5,执行函数体x+y=10+5=15,于是得外层函数的参数x=15。其另一个参数y=a-c=2-b=-6,再次执行函数体,得最终返回值x+y=15+(-6)=9。 (Compiling together the sequence of test procedures, involving the sequence of function calls and operator symbols, such as the priority problem. Now I give you to start speaking. Procedures for C compiler always start from the main function and at这道题the focus of " fun ((int) fun (a+ c, b), ac)) " statement. System must first determine the most outer layer of fun () function of real parameters, the first parameters of recursive calls required fun () function (may be called the inner function). Inner function separately for the two parameters x = a+ b = 2+8 = 10, y = b = 5, to execute the function body x+ y = 10+5 = 15, then the outer function parameters were x = 15 . Its another parameter y = ac = 2-b =- 6, once again to execute the function body may eventually return the value of x+ y = 15+ (-6) = 9.)
- 2009-03-15 15:36:23下载
- 积分:1
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specanal
说明: 基于matlab的通信系统仿真系列。A simulated oscilloscope and a simulated spectrum analyzer。供刚接触到matlab通信系统仿真的朋友使用。(Matlab-based communications system simulation series. A simulated oscilloscope and a simulated spect rum analyzer. Matlab for the counting of the communications system simulation using friends.)
- 2006-04-17 10:14:43下载
- 积分:1
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bldcm
无刷永磁直流电动机模型,可用于飞轮储能。基于matlab的simulink建立。(Brushless permanent magnet DC motor model can be used for flywheel energy storage. Established based on the matlab simulink.)
- 2011-08-28 08:21:28下载
- 积分:1
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manhun
三相光伏逆变并网的仿真,车牌识别定位程序的部分功能,实现六自由度运动学逆解算法。( Three-phase photovoltaic inverter and network simulation, Part of the license plate recognition locator feature, Six degrees of freedom to achieve inverse kinematics algorithm.)
- 2016-12-09 21:22:22下载
- 积分:1
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2d-logistic-regression-demo
2d logistic regression demo
- 2014-02-20 12:04:00下载
- 积分:1
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Arithmetic
matlab程序 信息论 算术编码及其译码程序(arthemetic)
- 2009-06-06 18:25:24下载
- 积分:1
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particle
说明: OSG例子系统 用一个飞机起火的模型说明例子系统的生成和实现(OSG example of the system model with a plane on fire examples of systems that generate and implement)
- 2011-04-03 21:38:08下载
- 积分:1
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cm
说明: C#.net与Matlab混合编程的过程介绍(C#. Net mixed with Matlab programming)
- 2009-05-29 19:10:40下载
- 积分:1
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LV40-to-MAT-file
labview转matlab格式 实现两种软件的互相调用(labview matlab format turn call each other to achieve the two software)
- 2011-11-01 14:13:28下载
- 积分:1
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the-parachute
在数学建模培训中,降落伞问题很是突出,联系此题对同学有很大的提高,从而程序也很重要。所以发此文件。(Parachute Su snow modeling program title race body)
- 2013-09-14 15:59:41下载
- 积分:1