Eroare de compilare: user.cpp: In function 'int maint()': user.cpp:6: warning: too many arguments for format user.cpp:7: error: expected identifier before '(' token user.cpp:7: error: expected `;' before '(' token user.cpp:9: error: 'pow' was not declared in this scope user.cpp:14: error: 'abs' was not declared in this scope user.cpp:16: error: 'abs' was not declared in this scope user.cpp:18: error: expected identifier before '(' token user.cpp:18: error: expected `;' before '(' token user.cpp:21: error: expected `;' before 's' user.cpp:22: warning: statement has no effect