Author
anonymous
over 5 years ago
C++
gcc 9.1.0
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.71.0/gcc-9.1.0/include -std=c++17
before: {0,0}{1,1}{2,2}{3,3}{4,4}{5,5} after: {0,0}{6,3}{8,4}{10,5}