nrpomi.cpp:9: error: expected constructor, destructor, or type conversion before '<' token nrpomi.cpp: In function 'int main()': nrpomi.cpp:17: error: 'ap' was not declared in this scope nrpomi.cpp:19: error: 'ap' was not declared in this scope nrpomi.cpp:20: error: 'iota' was not declared in this scope