Compilare: main.cpp: In function 'void gaseste_mijloc()': main.cpp:51:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<coord>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i=0;i<vecini[nod].size();i++) | ~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int afisare(int, int)': main.cpp:76:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<coord>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int i=0;i<arb[node].size();i++) | ~^~~~~~~~~~~~~~~~~