foo.cc: In function 'void Down(const int&, const int&, const int&)':
foo.cc:22:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   22 |     int mid = l + r >> 1;
      |               ~~^~~
foo.cc: In function 'void Modify(const int&, const int&, const int&, const int&, const int&, const ll&, const ll&)':
foo.cc:32:32: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   32 |     Down(s, l, r); int mid = l + r >> 1;
      |                              ~~^~~
foo.cc: In function 'll Query(const int&, const int&, const int&, const int&)':
foo.cc:45:32: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   45 |     Down(s, l, r); int mid = l + r >> 1;
      |                              ~~^~~

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