startrek.cpp:8: error: expected initializer before 'double' startrek.cpp: In function 'int main()': startrek.cpp:20: error: 'v' was not declared in this scope startrek.cpp:24: error: 'v' was not declared in this scope startrek.cpp:29: error: 'ct' was not declared in this scope startrek.cpp:32: error: 'ct' was not declared in this scope startrek.cpp:37: error: 'ct' was not declared in this scope