Language
C++
Compiler
gcc HEAD 12.0.0 20210721 (experimental)
Options
Warnings
Boost 1.73.0
C++2b(GNU)
no pedantic
Raw compiler options
-O3
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.73.0/gcc-head/include -std=gnu++2b -O3auto row_by_row()
0.284962s wall, 0.280000s user + 0.000000s system = 0.280000s CPU (98.3%)
auto column_by_column()
3.897398s wall, 3.870000s user + 0.030000s system = 3.900000s CPU (100.1%)
Exit Code:
32