View Compilation Error

0_0_33073728_32397.cpp:78:6: error: expected '}' at end of input
   if(x
      ^
0_0_33073728_32397.cpp: In member function 'int seg_tree::query(int, ll, ll, ll, ll)':
0_0_33073728_32397.cpp:78:6: error: expected ')' at end of input
0_0_33073728_32397.cpp:78:6: error: expected statement at end of input
0_0_33073728_32397.cpp:78:6: error: expected '}' at end of input
0_0_33073728_32397.cpp: At global scope:
0_0_33073728_32397.cpp:78:6: error: expected unqualified-id at end of input