Compilare: main.cpp: In function 'int main()': main.cpp:52:27: 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 < adj[tata].size(); ++i ) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:87:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for( int i = 0; i < adj[ sor[poz] ].size(); ++i ) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:98:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for( int i = 0; i < adj2[ sor[poz] ].size(); ++i ) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:118:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | for( int i = 0; i < adj2[ sor[poz] ].size(); ++i ) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:21:18: warning: variable 'index' set but not used [-Wunused-but-set-variable] 21 | int in[n+1], index[n+1]; | ^~~~~