Compilare: main.cpp: In function 'void add_edge(int, int, int)': main.cpp:25:45: warning: narrowing conversion of 'adj[v].std::vector<edge>::size()' from 'std::vector<edge>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 25 | adj[u].push_back({v, cap, 0, adj[v].size()}); | ~~~~~~~~~~~^~ main.cpp:26:46: warning: narrowing conversion of '(adj[u].std::vector<edge>::size() - 1)' from 'std::vector<edge>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 26 | adj[v].push_back({u, 0, 0, adj[u].size() - 1}); | ~~~~~~~~~~~~~~^~~ main.cpp: In function 'int dfs(int, int)': main.cpp:34:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int &i = ptr[nod]; i < adj[nod].size(); i++) { | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:130:32: warning: 'senator' may be used uninitialized [-Wmaybe-uninitialized] 130 | fout << senator << '\n'; | ^~~~ main.cpp:122:17: note: 'senator' was declared here 122 | int senator; | ^~~~~~~