View Compilation Error

0_0_16777816_8436.cpp: In function 'int main()':
0_0_16777816_8436.cpp:8:3: error: expected ';' before 'if'
   if(n&1)printf("1\n");
   ^
0_0_16777816_8436.cpp:9:3: error: 'else' without a previous 'if'
   else{
   ^