View Compilation Error

0_0_34041018_12039.cpp: In function 'int main()':
0_0_34041018_12039.cpp:90:6: error: 'o' was not declared in this scope
      o = get(j);
      ^
0_0_34041018_12039.cpp:91:6: error: 'w' was not declared in this scope
      w = (ll)a[i] * j * j + (ll)b[i] * j + c[i];
      ^