View Compilation Error

0_0_39455241_5997.cpp: In function 'int main()':
0_0_39455241_5997.cpp:247:60: error: expected primary-expression before ',' token
  247 |     const int nx = unique(vx.begin(), vx.end())-vx.begin();, ny = vy.size();
      |                                                            ^
0_0_39455241_5997.cpp:247:62: error: 'ny' was not declared in this scope; did you mean 'nx'?
  247 |     const int nx = unique(vx.begin(), vx.end())-vx.begin();, ny = vy.size();
      |                                                              ^~
      |                                                              nx