View Compilation Error

0_0_33377138_315.cpp: In function 'void build(int, int, int)':
0_0_33377138_315.cpp:102:50: error: a function-definition is not allowed here before '{' token
 void update(int u, int st, int ed, int p, int v) {
                                                  ^
0_0_33377138_315.cpp:158:16: error: expected '}' at end of input
  st[l+1] = st[l]
                ^