Compilare: main.cpp: In member function 'void Tree::binLiftPrecalc()': main.cpp:32:34: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 32 | if (binlift[node].size() <= exp - 1 || | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp:33:52: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 33 | binlift[binlift[node][exp - 1]].size() <= exp - 1) | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~ main.cpp: In function 'int findUpper(int)': main.cpp:81:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | if (i >= copac.binlift[node].size()) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~