View Compilation Error

0_0_38350438_18482.cpp: In function 'int main()':
0_0_38350438_18482.cpp:13:10: error: 'x' was not declared in this scope
       if(x%2==1)
          ^
0_0_38350438_18482.cpp:18:15: error: redeclaration of 'double x'
        double x=pow(2,m);
               ^
0_0_38350438_18482.cpp:13:10: note: '<typeprefixerror>x' previously declared here
       if(x%2==1)
          ^
0_0_38350438_18482.cpp:19:13: error: invalid operands of types 'double' and 'double' to binary 'operator%'
        if(x%1.0!=0) printf(" ");
             ^