View Compilation Error

0_0_38517282_781.cpp:2:2: error: invalid preprocessing directive #inculde
 #inculde <math.h>
  ^
0_0_38517282_781.cpp:3:12: error: '::main' must return 'int'
 float main()
            ^
0_0_38517282_781.cpp: In function 'int main()':
0_0_38517282_781.cpp:8:20: error: 'sqrt' was not declared in this scope
    for(i=2;i<sqrt(n)-1;i++)
                    ^