patrate.cpp: In function `int main()': patrate.cpp:8: `n' undeclared (first use this function) patrate.cpp:8: (Each undeclared identifier is reported only once for each function it appears in.) patrate.cpp:8: `m' undeclared (first use this function) patrate.cpp:9: `i' undeclared (first use this function) patrate.cpp:11: `a' undeclared (first use this function) patrate.cpp:12: `b' undeclared (first use this function)