railroad.cpp:3:31: error: 'long long int plan_roller_coaster' redeclared as different kind of symbol
long long plan_roller_coaster(vector<int> s, vector<int> t) {
^~~~~~
In file included from railroad.cpp:1:0:
railroad.h:5:11: note: previous declaration 'long long int plan_roller_coaster(std::vector<int>, std::vector<int>)'
long long plan_roller_coaster(std::vector<int> s, std::vector<int> t);
^~~~~~~~~~~~~~~~~~~
railroad.cpp:3:31: error: 'vector' was not declared in this scope
long long plan_roller_coaster(vector<int> s, vector<int> t) {
^~~~~~
railroad.cpp:3:31: note: suggested alternative:
In file included from /usr/include/c++/7/vector:64:0,
from railroad.h:3,
from railroad.cpp:1:
/usr/include/c++/7/bits/stl_vector.h:216:11: note: 'std::vector'
class vector : protected _Vector_base<_Tp, _Alloc>
^~~~~~
railroad.cpp:3:38: error: expected primary-expression before 'int'
long long plan_roller_coaster(vector<int> s, vector<int> t) {
^~~
railroad.cpp:3:46: error: 'vector' was not declared in this scope
long long plan_roller_coaster(vector<int> s, vector<int> t) {
^~~~~~
railroad.cpp:3:46: note: suggested alternative:
In file included from /usr/include/c++/7/vector:64:0,
from railroad.h:3,
from railroad.cpp:1:
/usr/include/c++/7/bits/stl_vector.h:216:11: note: 'std::vector'
class vector : protected _Vector_base<_Tp, _Alloc>
^~~~~~
railroad.cpp:3:53: error: expected primary-expression before 'int'
long long plan_roller_coaster(vector<int> s, vector<int> t) {
^~~