Compilare: main.cpp: In function 'bool checkIfPossible()': main.cpp:88:13: warning: unused variable 'cnode_i' [-Wunused-variable] 88 | int cnode_i = contracted_node[i]; | ^~~~~~~ main.cpp:89:13: warning: unused variable 'cnode_n' [-Wunused-variable] 89 | int cnode_n = contracted_node[i + n]; | ^~~~~~~ main.cpp: In function 'void computeAssignment()': main.cpp:105:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 105 | for (int i = 0; i < comps.size(); i++) | ~~^~~~~~~~~~~~~~