View Compilation Error

0_0_29968214_17383.cpp: In function 'void get_sg()':
0_0_29968214_17383.cpp:31:16: error: 'x' was not declared in this scope
             if(x&(1<<i))
                ^
0_0_29968214_17383.cpp: In function 'int main()':
0_0_29968214_17383.cpp:54:17: error: too many arguments to function 'void get_sg()'
         get_sg(i);
                 ^
0_0_29968214_17383.cpp:24:6: note: declared here
 void get_sg()
      ^