Eroare de compilare: user.cpp: In member function ‘int graph::revertFlows(std::vector<int>&, std::vector<int>&, std::vector<int*>&, std::vector<int*>&, std::queue<int>&)’: user.cpp:57:61: error: ‘memset’ was not declared in this scope memset(&parent[0], 0xFF, parent.size() * sizeof(parent[0])); ^ user.cpp: In function ‘int main()’: user.cpp:125:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &M); ^ user.cpp:135:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &a, &b); ^