Language
C++
Compiler
gcc HEAD 9.0.0 20180914 (experimental)
Options
Warnings
Boost 1.68.0
C++2a(GNU)
no pedantic
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.68.0/gcc-head/include -std=gnu++2a
499.9999999999999999722444243843710864894092082977294921875
Exit Code:
0