Compilare: main.cpp: In member function 'bool Graph::bfs()': main.cpp:36:39: warning: argument to 'sizeof' in 'void* memset(void*, int, size_t)' call is the same expression as the destination; did you mean to dereference it? [-Wsizeof-pointer-memaccess] memset(visited, 0, sizeof visited); ^~~~~~~ main.cpp: In function 'int main()': main.cpp:96:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &V, &E); ^ main.cpp:99:51: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &src, &dest, &cap); ^