View Compilation Error

0_0_39811783_2421.cpp: In function 'void update(ll, ll, ll, ll)':
0_0_39811783_2421.cpp:9:9: error: 'tu' was not declared in this scope; did you mean 'tm'?
    9 |         tu[now] = tv[now] = pos[l];
      |         ^~
      |         tm
0_0_39811783_2421.cpp:9:19: error: 'tv' was not declared in this scope; did you mean 'tm'?
    9 |         tu[now] = tv[now] = pos[l];
      |                   ^~
      |                   tm
0_0_39811783_2421.cpp:9:29: error: 'pos' was not declared in this scope; did you mean 'pow'?
    9 |         tu[now] = tv[now] = pos[l];
      |                             ^~~
      |                             pow
0_0_39811783_2421.cpp:10:9: error: 'td' was not declared in this scope; did you mean 'tm'?
   10 |         td[now] = 0;
      |         ^~
      |         tm
0_0_39811783_2421.cpp:22:5: error: 'pushup' was not declared in this scope
   22 |     pushup(now);
      |     ^~~~~~