View Compilation Error

0_0_29158108_29036.cpp:7:1: error: expected unqualified-id before 'if'
 if(n>100) return;    
 ^
0_0_29158108_29036.cpp:8:1: error: expected unqualified-id before 'if'
 if(xr==0&&xi==0)    
 ^
0_0_29158108_29036.cpp:14:1: error: expected unqualified-id before 'for'
 for(i=0;i*i<con;i++)    
 ^
0_0_29158108_29036.cpp:14:9: error: 'i' does not name a type
 for(i=0;i*i<con;i++)    
         ^
0_0_29158108_29036.cpp:14:17: error: 'i' does not name a type
 for(i=0;i*i<con;i++)    
                 ^
0_0_29158108_29036.cpp:27:1: error: expected declaration before '}' token
 } 
 ^