Compilare: main.cpp:15:20: warning: built-in function 'log2' declared as non-function [-Wbuiltin-declaration-mismatch] 15 | int rmq[2*N+2][20],log2[2*N+2]; | ^~~~ main.cpp: In function 'void rmq_()': main.cpp:32:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for(i=0; i<euler.size(); i++) | ~^~~~~~~~~~~~~ main.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(i=1; (1<<i)<=euler.size(); i++) | ~~~~~~^~~~~~~~~~~~~~ main.cpp:35:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | for(j=0; j+(1<<i)-1<euler.size(); j++) | ~~~~~~~~~~^~~~~~~~~~~~~