Compilare: main.cpp: In function 'void doRmq()': main.cpp:52:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int i=0;i<=lca.size();i++) | ~^~~~~~~~~~~~ main.cpp:56:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | if(i<lca.size()) rmq[0][i]=lca[i]; | ~^~~~~~~~~~~ main.cpp:58:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | for(int i=1;(1<<i)<lca.size();i++) | ~~~~~~^~~~~~~~~~~ main.cpp:60:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 60 | for(int j=0;j<lca.size()-(1<<i)+1;j++) | ~^~~~~~~~~~~~~~~~~~~~