View Compilation Error

0_0_38781746_12689.cpp: In function '__int128 root(__int128, __int128)':
0_0_38781746_12689.cpp:221:28: error: 'tot' was not declared in this scope; did you mean 'Factor::tot'?
  221 |         for(int i = 0; i < tot; ++i) {
      |                            ^~~
      |                            Factor::tot
0_0_38781746_12689.cpp:112:9: note: 'Factor::tot' declared here
  112 |     int tot; // 质因数的个数,0~tol-1
      |         ^~~