Compilare: main.cpp: In function 'void buildp2()': main.cpp:36:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(int i=1; i<euler.size()+20; i++) p2.push_back(p2[i/2]+1); | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void buildRMQ()': main.cpp:42:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | while(1<<lg <= euler.size()) ++lg; | ~~~~~~^~~~~~~~~~~~~~~ main.cpp:46:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(int j=0; j+(1<<i)<euler.size(); j++) | ~~~~~~~~^~~~~~~~~~~~~ main.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int j=0; j<rmq[i].size(); j++) cout<<rmq[i][j]<<' '; | ~^~~~~~~~~~~~~~