View Compilation Error

0_0_33257116_14550.cpp:38:31: error: expected ';' at end of member declaration
     void build(int l,int r,int)
                               ^
0_0_33257116_14550.cpp: In function 'int main()':
0_0_33257116_14550.cpp:48:24: error: 'tot' was not declared in this scope
         for(int i=0;i<=tot;i++)kdt[i].p.clear();
                        ^
0_0_33257116_14550.cpp:48:32: error: 'kdt' was not declared in this scope
         for(int i=0;i<=tot;i++)kdt[i].p.clear();
                                ^
0_0_33257116_14550.cpp:49:9: error: 'tot' was not declared in this scope
         tot=0;
         ^
0_0_33257116_14550.cpp:50:30: error: 'kdt' was not declared in this scope
         for(int i=1;i<=n;i++)kdt[0].push
                              ^