update ex14_43.cpp
update ex14_43.cpp

jwave/CppPrimer,at86/CppPrimer,m0000re/CppPrimer,shuidong/CppPrimer,zhangzhizhongz3/CppPrimer,shuidong/CppPrimer,laohei889/CppPrimer,jieniyimiao/CppPrimer,vzyw/CppPrimer,sheldon66/CppPrimer,anguszxd/CppPrimer,lawlietye/CppPrimer,sunday1103/Cpp-Primer,wgs111/CppPrimer,Sublele/CppPrimer,m0000re/CppPrimer,cseryp/CppPrimer,Sublele/CppPrimer,heamon7/CppPrimer,akanezorap/CppPrimer,wgs111/CppPrimer,cseryp/CppPrimer,zhangzhizhongz3/CppPrimer,floristt/CppPrimer,at86/CppPrimer,cheng668/CppPrimer,FingerSport/CppPrimer,laohei889/CppPrimer,floristt/CppPrimer,sheldon66/CppPrimer,pezy/CppPrimer,jwave/CppPrimer,vzyw/CppPrimer,Milk-SF/CppPrimer,akanezorap/CppPrimer,cheng668/CppPrimer,pezy/CppPrimer,lawlietye/CppPrimer,FingerSport/CppPrimer,Milk-SF/CppPrimer,heamon7/CppPrimer