using namespace STD. With # inclde What's the relationship between the two??
By using namespace STD. When I just enter # inclde Went, plus. H is wrong,
The great god help, some directions,,, 18 px] [size=

CodePudding user response:

Knowledge

CodePudding user response:

New programs written or use # include & lt; iostream>
# include & lt; Iostream. H> This usage is for the sake of compatible with the previous habits

CodePudding user response:

Should be related to your compiler

CodePudding user response:

In c + + standard not iostream h this dongdong, only iostream,

CodePudding user response:

With the compiler doesn't matter, you find there are iostream in c + + library include this file, as long as the filename suffix added. As with h, it's just the stipulations of the c + + standard!

CodePudding user response:

# inclde Seems to be the previous version, for the sake of compatibility with the C
# inclde The latest version of the