View Compilation Error

0_0_38781098_30057.cpp: In function 'void solve()':
0_0_38781098_30057.cpp:98:5: error: 'gs' was not declared in this scope; did you mean 's'?
   98 |     gs = 0;
      |     ^~
      |     s
0_0_38781098_30057.cpp:113:19: error: 'sz' was not declared in this scope; did you mean 's'?
  113 |         int xx = (sz * pow1[len1 - i] + get_hash(i + 1, len1) + get_hash(1, i) * pow1[len2 + len1 - i]).val
      |                   ^~
      |                   s