Description: To write a complete C++ of procedures, with the following three functions, respectively, to the variable count defined in function main with a, then compare the pros and cons of the three methods. The three functions are:
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add1\add1.cpp
....\add1.dsp
....\add1.dsw
....\add1.ncb
....\add1.opt
....\add1.plg
....\Debug\add1.exe
....\.....\add1.ilk
....\.....\add1.obj
....\.....\add1.pch
....\.....\add1.pdb
....\.....\vc60.idb
....\.....\vc60.pdb
....\Debug
add1