Compilare: main.cpp: In function 'int bfs(int, int)': main.cpp:31:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for (int i = 0 ; i < v[nod].size () ; i++) | ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int flux(int, int)': main.cpp:50:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int i = 0 ; i < v[n].size () ; i++) | ~~^~~~~~~~~~~~~~ main.cpp:58:17: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 58 | for (int j = n ; j != 1 ; j = tata[j]) | ^~~ main.cpp:61:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 61 | for (int j = n ; j != 1 ; j = tata[j]) | ^~~