Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:27:25: error: ‘memset’ was not declared in this scope memset(costs, -1, 50005); ^ user.cpp:29:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:32:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] graph.at(source).push_back(new Edge(dest, cost)); ^