Compilare: main.cpp:15:5: warning: built-in function 'log2' declared as non-function [-Wbuiltin-declaration-mismatch] 15 | int log2[NMAX]; | ^~~~ main.cpp: In function 'void init_rmq()': main.cpp:53:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for(int i = 0; i < euler.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:60:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(int i = 0; i + (1 << level) / 2 < euler.size(); i++) { | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~