foo.cc: In member function 'void SegTree::build(SegTree::Node*, long long int, long long int)':
foo.cc:23:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |     build(cur->Lchild,L,L+R>>1);
      |                         ~^~
foo.cc:24:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   24 |     build(cur->Rchild,(L+R>>1)+1,R);
      |                        ~^~
foo.cc: In member function 'long long int SegTree::querysum(SegTree::Node*, long long int, long long int)':
foo.cc:35:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |     if(L<=cur->Left+cur->Right>>1)
      |           ~~~~~~~~~^~~~~~~~~~~
foo.cc:37:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |     if(R> cur->Left+cur->Right>>1)
      |           ~~~~~~~~~^~~~~~~~~~~
foo.cc: In member function 'long long int SegTree::querymax(SegTree::Node*, long long int, long long int)':
foo.cc:49:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   49 |     if(L<=cur->Left+cur->Right>>1)
      |           ~~~~~~~~~^~~~~~~~~~~
foo.cc:51:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |     if(R> cur->Left+cur->Right>>1)
      |           ~~~~~~~~~^~~~~~~~~~~
foo.cc: In member function 'long long int SegTree::querymin(SegTree::Node*, long long int, long long int)':
foo.cc:63:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   63 |     if(L<=cur->Left+cur->Right>>1)
      |           ~~~~~~~~~^~~~~~~~~~~
foo.cc:65:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   65 |     if(R> cur->Left+cur->Right>>1)
      |           ~~~~~~~~~^~~~~~~~~~~
foo.cc: In member function 'void SegTree::update(SegTree::Node*, long long int, long long int)':
foo.cc:80:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   80 |     if(Dex<=cur->Left+cur->Right>>1)update(cur->Lchild,Dex,Change);
      |             ~~~~~~~~~^~~~~~~~~~~
foo.cc:81:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   81 |     if(Dex> cur->Left+cur->Right>>1)update(cur->Rchild,Dex,Change);
      |             ~~~~~~~~~^~~~~~~~~~~

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