Compilare: main.cpp: In function 'void prim()': main.cpp:51:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i = 0; i < vecini[1].size(); i++) | ~~^~~~~~~~~~~~~~~~~~ main.cpp:73:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i = 0; i < vecini[nod2].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:63:7: warning: unused variable 'nod1' [-Wunused-variable] 63 | int nod1 = muchieCurenta.nod1; | ^~~~ main.cpp: In function 'void afisare()': main.cpp:89:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Muchie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 89 | for(int i = 0; i < solutie.size(); i++) | ~~^~~~~~~~~~~~~~~~