Compilare: main.cpp: In function 'void p(int, int)': main.cpp:17:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(int i=0; i<v[nod].size(); i++) | ~^~~~~~~~~~~~~~ main.cpp:19:13: warning: unused variable 'vecin' [-Wunused-variable] 19 | int vecin=v[nod][i].first; | ^~~~~ main.cpp:20:13: warning: unused variable 'cost' [-Wunused-variable] 20 | int cost=v[nod][i].second; | ^~~~ main.cpp: In function 'int test()': main.cpp:31:1: warning: no return statement in function returning non-void [-Wreturn-type] 31 | } | ^ main.cpp: In function 'void parc(int)': main.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 43 | for(int i=0; i<v[nod].size(); i++) | ~^~~~~~~~~~~~~~