View Compilation Error

0_0_33088971_25761.cpp: In function 'void build_tree(int, int, int)':
0_0_33088971_25761.cpp:95:32: error: expected primary-expression at end of input
         else tree[o].ls0 = tree%
                                ^
0_0_33088971_25761.cpp:95:32: error: expected '}' at end of input
0_0_33088971_25761.cpp:95:32: error: expected '}' at end of input