View Compilation Error

0_0_23298614_21577.cpp: In function 'int main()':
0_0_23298614_21577.cpp:24:34: error: expected '}' at end of input
         hang_n=(int)ceil(sqrt(n));  
                                  ^
0_0_23298614_21577.cpp:24:34: error: expected '}' at end of input