canguri.cpp:5: error: expected ',' or ';' before 'ofstream' canguri.cpp: In function 'int main()': canguri.cpp:10: error: 'n' was not declared in this scope canguri.cpp:11: error: 'a' was not declared in this scope canguri.cpp:12: error: 'amax' was not declared in this scope canguri.cpp:12: error: 'lg' was not declared in this scope canguri.cpp:14: error: 'i' was not declared in this scope canguri.cpp:21: error: 'x' was not declared in this scope canguri.cpp:21: error: 'y' was not declared in this scope canguri.cpp:26: error: 'r' was not declared in this scope canguri.cpp:33: error: 'nr' was not declared in this scope canguri.cpp:34: error: 'fout' was not declared in this scope canguri.cpp:36: error: 'fout' was not declared in this scope canguri.cpp:38: error: 'fout' was not declared in this scope