View Compilation Error

0_0_33773930_18614.cpp:30:45: error: expected ',' or '...' before '%' token
  void build(int u, int l, int r, vector<int>%
                                             ^
0_0_33773930_18614.cpp:30:45: error: expected ')' at end of input
0_0_33773930_18614.cpp:30:45: error: expected initializer at end of input
0_0_33773930_18614.cpp:30:45: error: expected '}' at end of input