g++-10 -Wall -lm -static -DEVAL -o squares -O2 squares.cpp stub.cpp -std=c++14
g++-10 -Wall -lm -static -DEVAL -o squares -O2 squares.cpp stub.cpp -std=c++17
javac -J-Xms128m -J-Xmx512m -encoding UTF-8 squares.java stub.java