mess.cpp: In function `int main()': mess.cpp:6: `n' undeclared (first use this function) mess.cpp:6: (Each undeclared identifier is reported only once for each function it appears in.) mess.cpp:6: `T' undeclared (first use this function) mess.cpp:8: `a' undeclared (first use this function) mess.cpp:9: `Normalizare' undeclared (first use this function) mess.cpp:11: `update' undeclared (first use this function) mess.cpp:13: `Tip' undeclared (first use this function) mess.cpp:21: `p' undeclared (first use this function) mess.cpp:21: `q' undeclared (first use this function) mess.cpp:21: `k' undeclared (first use this function) mess.cpp:22: `query' undeclared (first use this function)