View Compilation Error

0_0_17826991_21954.cpp: In function 'void xchange(int, int, int)':
0_0_17826991_21954.cpp:49:45: error: too few arguments to function 'void dchange(int, int, int)'
   for (tree[x += M][y + M] = v, dchange(x, y); x > 1; change(x >>= 1, y, v));
                                             ^
0_0_17826991_21954.cpp:45:6: note: declared here
 void dchange(int x, int y, int v) {
      ^