Compilare: main.cpp: In function 'int main()': main.cpp:43:22: 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(i = 0; i < edges[nod_minim].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:71:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(i = 0; i < edges[nod_minim].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:99:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for(i = 0; i < edges[nod_minim].size(); i++) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:129:17: warning: 'nodf' may be used uninitialized in this function [-Wmaybe-uninitialized] 129 | while(tB[aux] != -1) | ~~~~~~^