Compilare: main.cpp: In function 'int main()': main.cpp:53:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | for( int i = 0; i < adj[tata].size(); ++i ) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:88:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 88 | for( int i = 0; i < adj[ sor[poz] ].size(); ++i ) | ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:99:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for( int i = 0; i < adj2[ sor[poz] ].size(); ++i ) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:121:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for( int i = 0; i < adj2[ sor[poz] ].size(); ++i ) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:22:18: warning: variable 'index' set but not used [-Wunused-but-set-variable] 22 | int in[n+1], index[n+1]; | ^~~~~