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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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HistEqualization
Histogram Equalization for enhancement of medical image
- 2010-08-19 20:00:43下载
- 积分:1
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Radar_signal_analysis
《雷达信号分析》ppt,南京理工大学 朱晓华 教授 博士生导师 主讲 比较经典 希望对大家有帮助("Radar signal analysis" ppt, Nanjing University of Science PhD supervisor Professor Zhu Xiaohua more classic speakers we want to help)
- 2010-09-26 22:33:26下载
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final
prim算法得出最小生成树,matlab语言(minimum spanning tree algorithm is derived prim, matlab language
)
- 2011-05-10 20:48:16下载
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SVM_CV_estimate
功能为特征提取,即它是从高维数据到低维数据(The source code for the feature selection to reduce the high-dimensional data low-dimensional data)
- 2015-03-26 20:25:17下载
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Singer
singer模型,很好的目标跟踪代码,经测试好用(singer model, good target tracking code has been tested and easy to use)
- 2021-02-20 22:29:42下载
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Processing-Fresnel-formula
利用matlab的数据处理和数据模拟功能,模拟光的反射,光的折射,以及光的透射,并且生成模拟曲线,可以直观的观察到光功率和相关参数的变化关系(Use of matlab data processing and data simulation function, simulation light reflection, the refraction of light, and light transmission, and generate simulation curves can be intuitive observed light power and related parameters change relations)
- 2012-04-16 19:14:11下载
- 积分:1
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sugiarto_matlab01
Program GUI Matlab sederhana dengan keunggulan sistem grayscale
- 2013-08-21 23:58:45下载
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DMPSO
动态多群粒子群算法,能够快速的搜寻目标,增强了局部搜索能力(Dynamic multi-swarm particle swarm algorithm can quickly search target, and enhance the local search ability)
- 2015-09-16 16:59:15下载
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GMSK
matlab仿真用的32采样点,GMSK调制解调代码(matlab simulation using the 32 sampling points, GMSK modem code)
- 2008-06-09 20:20:31下载
- 积分:1