Compilare: main.cpp: In member function 'long long int Dinic::dfs(int, long long int)': main.cpp:116:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 116 | for(auto& i = ptr[node]; i < g[node].size(); i++) { | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'long long int Dinic::flow()': main.cpp:140:18: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 140 | while(temp = dfs(s, inf)) | ~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:152:7: warning: unused variable 'time' [-Wunused-variable] 152 | int time = flux.m; | ^~~~