View Compilation Error

0_0_37843394_13817.cpp:4:1: error: 'typdef' does not name a type
 typdef long long ll;
 ^
0_0_37843394_13817.cpp: In function 'void slove()':
0_0_37843394_13817.cpp:62:5: error: 'll' was not declared in this scope
     ll ans = 0;
     ^
0_0_37843394_13817.cpp:69:13: error: 'ans' was not declared in this scope
             ans += w;
             ^
0_0_37843394_13817.cpp:76:13: error: 'ans' was not declared in this scope
     cout << ans << endl;
             ^
0_0_37843394_13817.cpp: In function 'int main()':
0_0_37843394_13817.cpp:80:19: error: 'solve' was not declared in this scope
  while(T--) solve();
                   ^