Compilare: main.cpp: In function 'void addEdge(int, int, int)': main.cpp:25:41: warning: narrowing conversion of 'graph[v].std::vector<Edge>::size()' from 'std::vector<Edge>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 25 | graph[u].push_back({v, graph[v].size(), cap, 0}); | ~~~~~~~~~~~~~^~ main.cpp:26:44: warning: narrowing conversion of '(graph[u].std::vector<Edge>::size() - 1)' from 'std::vector<Edge>::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 26 | graph[v].push_back({u, graph[u].size() - 1, 0, 0}); | ~~~~~~~~~~~~~~~~^~~ main.cpp: In function 'int dfs(int, int, int)': main.cpp:57:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(; ptr[u] < graph[u].size(); ptr[u]++) | ~~~~~~~^~~~~~~~~~~~~~~~~