View Compilation Error

0_0_20919819_10724.cpp: In function 'bool judge2(long long int)':
0_0_20919819_10724.cpp:38:5: error: 'else' without a previous 'if'
     else return false;
     ^
0_0_20919819_10724.cpp: In function 'int main()':
0_0_20919819_10724.cpp:54:23: error: 'x' was not declared in this scope
        else if(judge2(x))
                       ^