petrol.cpp:26: error: stray '#' in program petrol.cpp: In function 'int main()': petrol.cpp:26: error: 'include' was not declared in this scope petrol.cpp:26: error: expected primary-expression before '>' token petrol.cpp:28: error: expected primary-expression before 'using' petrol.cpp:28: error: expected ';' before 'using' petrol.cpp:37: error: a function-definition is not allowed here before '{' token petrol.cpp:32: warning: unused variable 'a' petrol.cpp:33: warning: unused variable 'n' petrol.cpp:33: warning: unused variable 'i' petrol.cpp:33: warning: unused variable 'j' petrol.cpp:34: warning: unused variable 'rez' petrol.cpp:34: warning: unused variable 'x' petrol.cpp:34: warning: unused variable 'y' petrol.cpp:34: warning: unused variable 'E' petrol.cpp:34: warning: unused variable 'D' petrol.cpp:62: error: expected '}' at end of input petrol.cpp:62: error: expected '}' at end of input petrol.cpp:62: error: expected '}' at end of input petrol.cpp:62: error: expected '}' at end of input