View Compilation Error

0_0_36871663_20363.cpp: In function 'void query(int, int, int, point&)':
0_0_36871663_20363.cpp:75:13: error: 'powws' was not declared in this scope
     if(nd > powws[m].x[d]-h.x[d]) query(l+m+1-sl,m+r-sr,d^1,h);
             ^