View Compilation Error

0_0_14719859_28845.cpp: In function 'int main()':
0_0_14719859_28845.cpp:77:4: error: 'else' without a previous 'if'
    else {
    ^
0_0_14719859_28845.cpp:78:7: error: 'u' was not declared in this scope
     f[u]=mul(fact[sandian],2);
       ^
0_0_14719859_28845.cpp:78:19: error: 'sandian' was not declared in this scope
     f[u]=mul(fact[sandian],2);
                   ^
0_0_14719859_28845.cpp:82:19: error: 'tt' was not declared in this scope
   cout<<"Case #"<<tt<<": "<<f[1]<<endl;//printf("Case #%d: %I64d\n",tt,f[1]);
                   ^
0_0_14719859_28845.cpp: At global scope:
0_0_14719859_28845.cpp:85:2: error: expected unqualified-id before 'return'
  return 0;
  ^
0_0_14719859_28845.cpp:86:1: error: expected declaration before '}' token
 }
 ^