grad1.cpp:7: extraneous `int' ignored grad1.cpp: In function `int main()': grad1.cpp:11: `n' undeclared (first use this function) grad1.cpp:11: (Each undeclared identifier is reported only once for each function it appears in.) grad1.cpp:11: `k' undeclared (first use this function) grad1.cpp:12: `i' undeclared (first use this function) grad1.cpp:12: `a' undeclared (first use this function) grad1.cpp:12: `b' undeclared (first use this function) grad1.cpp:15: `nr' undeclared (first use this function) grad1.cpp:21: `nrmax' undeclared (first use this function) grad1.cpp:21: `pmax' undeclared (first use this function) grad1.cpp:28: `j' undeclared (first use this function) grad1.cpp:29: `h' undeclared (first use this function) grad1.cpp:30: `aux' undeclared (first use this function) grad1.cpp:30: parse error before `}' token grad1.cpp:31: parse error before `}' token grad1.cpp:33: ISO C++ forbids an empty condition for `if' grad1.cpp:34: parse error before `}' token