View Compilation Error

0_0_39393461_32606.cpp: In function 'int phi(int)':
0_0_39393461_32606.cpp:13:40: error: expected '}' at end of input
   13 |     if (x > 1) res = res / x * (x - 1);//ÿýÿý
      |                                        ^
0_0_39393461_32606.cpp:5:1: note: to match this '{'
    5 | {
      | ^