Need explanation of ios and int_32 main

#1

what is ios ?? and why we write int_32 main()

#2

Hey
int32_t is ans alias of int
Similarly int64_t is an alias of long long

ios is base class for Input/ioutput stream, check this http://www.cplusplus.com/reference/ios/ios/

#3

Hey @Ravi-Kant-1580620005429648
I hope your doubt is resolved ,if its then please mark it as resolved :slight_smile:
If its not then let me know the issue.