Language
C++
Compiler
clang HEAD 9.0.0 (https://github.com/llvm-mirror/clang.git b6fd974d25c1fc3eb53d1f13d4028b3cde33dd6e) (https://github.com/llvm-mirror/llvm.git dc14d72264ef5a37fcc5266b2fba4d684653e9ec)
Options
Warnings
Boost 1.69.0
C++2a(GNU)
no pedantic
$ clang++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.69.0/clang-head/include -std=gnu++2a
2 3 3 4 4 1 5 5 6 6 7 7
Exit Code:
0