Compilare: main.cpp: In member function 'void LCACalculator::buildRMQ()': main.cpp:61:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0, size; (1<<i)<=euler.size(); ++i) ~~~~~~^~~~~~~~~~~~~~ main.cpp:61:23: warning: unused variable 'size' [-Wunused-variable] for (int i=0, size; (1<<i)<=euler.size(); ++i) ^~~~ main.cpp:63:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<euler.size(); ++i) ~^~~~~~~~~~~~~ main.cpp:65:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; (1<<i)<=euler.size(); ++i) { ~~~~~~^~~~~~~~~~~~~~ main.cpp:66:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j+(1<<i)<=euler.size(); ++j) { ~~~~~~~~^~~~~~~~~~~~~~