View Compilation Error

0_0_18768646_5435.cpp: In function 'int fun(int)':
0_0_18768646_5435.cpp:30:6: error: expected primary-expression before '%' token
     {%
      ^
0_0_18768646_5435.cpp:30:6: error: expected primary-expression at end of input
0_0_18768646_5435.cpp:30:6: error: expected '}' at end of input
0_0_18768646_5435.cpp:30:6: error: expected '}' at end of input