0_0_33287233_31615.cpp:12:1: error: expected unqualified-id before '{' token { ^ 0_0_33287233_31615.cpp: In function 'void query(int, int)': 0_0_33287233_31615.cpp:48:16: error: 'updata' was not declared in this scope updata(root);//ÏòÉÏά»¤ ^