View Compilation Error

0_0_17048441_27801.cpp: In function 'void t(int, int, int)':
0_0_17048441_27801.cpp:22:6: error: void value not ignored as it ought to be
     k=t(2*r,i,n);
      ^
0_0_17048441_27801.cpp:23:6: error: void value not ignored as it ought to be
     l=t(2*r+1,n+1,j);
      ^