View Compilation Error

0_0_28792483_30238.cpp:34:24: error: expected '}' at end of input
    mx[x]=max(mx[son[x]%5
                        ^
0_0_28792483_30238.cpp: In member function 'void B_Tree::up(int)':
0_0_28792483_30238.cpp:34:24: error: invalid operands of types 'int [2]' and 'int' to binary 'operator%'
0_0_28792483_30238.cpp:34:24: error: expected ']' at end of input
0_0_28792483_30238.cpp:34:24: error: expected '}' at end of input
0_0_28792483_30238.cpp:34:24: error: expected '}' at end of input
0_0_28792483_30238.cpp: At global scope:
0_0_28792483_30238.cpp:34:24: error: expected unqualified-id at end of input