robot3.cpp: In function `int main()': robot3.cpp:8: `n' undeclared (first use this function) robot3.cpp:8: (Each undeclared identifier is reported only once for each function it appears in.) robot3.cpp:9: `i' undeclared (first use this function) robot3.cpp:11: `a' undeclared (first use this function) robot3.cpp:17: `j' undeclared (first use this function) robot3.cpp:22: `v' undeclared (first use this function) robot3.cpp:22: `l' undeclared (first use this function) robot3.cpp:22: `c' undeclared (first use this function) robot3.cpp:24: `p' undeclared (first use this function) robot3.cpp:25: `st' undeclared (first use this function) robot3.cpp:26: `dr' undeclared (first use this function) robot3.cpp:27: `nr' undeclared (first use this function)