View Compilation Error

0_0_20930363_31714.cpp:10:17: error: array must be initialized with a brace-enclosed initializer
   int a[4][4]={0};
                 ^
0_0_20930363_31714.cpp: In member function 'void S_Tree::push_up(int)':
0_0_20930363_31714.cpp:58:5: error: expected ';' before '}' token
     }
     ^
0_0_20930363_31714.cpp: In member function 'void S_Tree::update(int, int, int)':
0_0_20930363_31714.cpp:63:17: error: no matching function for call to 'S_Tree::updatedote(int&)'
     updatedote(x);
                 ^
0_0_20930363_31714.cpp:63:17: note: candidate is:
0_0_20930363_31714.cpp:43:6: note: void S_Tree::updatedote(int, int)
 void S_Tree::updatedote(int t,int num){
      ^
0_0_20930363_31714.cpp:43:6: note:   candidate expects 2 arguments, 1 provided