Eroare de compilare: user.cpp:5:12: error: ‘std::for_each’ has not been declared using std::for_each; ^~~~~~~~ user.cpp: In function ‘void RgDfs(int)’: user.cpp:30:6: error: ‘for_each’ was not declared in this scope }); ^ user.cpp: In function ‘void LfDfs(int)’: user.cpp:40:6: error: ‘for_each’ was not declared in this scope }); ^ user.cpp: In function ‘int main()’: user.cpp:61:38: error: ‘memset’ was not declared in this scope memset(found, 0, sizeof found); ^