Compilare: main.cpp: In function 'void dfsClear(int, int)': main.cpp:36:18: 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=0;i<adj[nod].size();i++) | ~^~~~~~~~~~~~~~~~ main.cpp:49:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | if(tata!=-1){for(int i=tata;i<adj[nod].size();i++) adj[nod][i]=adj[nod][i+1]; | ~^~~~~~~~~~~~~~~~ main.cpp: In function 'void doRmq()': main.cpp:55:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for(int i=0;i<=lca.size();i++) | ~^~~~~~~~~~~~ main.cpp:59:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | if(i<lca.size()) rmq[0][i]=lca[i]; | ~^~~~~~~~~~~ main.cpp:61:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(int i=1;(1<<i)<lca.size();i++) | ~~~~~~^~~~~~~~~~~ main.cpp:63:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int j=0;j<lca.size()-(1<<i)+1;j++) | ~^~~~~~~~~~~~~~~~~~~~