Use pointers for struct functions to avoid copies

Changes

1 changed files (+3/-3)

• segmenttree.go
  • @@ -10,7 +10,7 @@ seg []int
    } // Build segment tree - func (s segmentTree) Build(a *sql.Rows, l, r, n int) { + func (s *segmentTree) Build(a *sql.Rows, l, r, n int) { if l == r { a.Next() a.Scan(&s.seg[n])
  • @@ -23,7 +23,7 @@ s.seg[n] = s.seg[n<<1] + s.seg[n<<1|1]
    } // Update value at index x - func (s segmentTree) Update(x, v, l, r, n int) { + func (s *segmentTree) Update(x, v, l, r, n int) { if l == r { s.seg[n] = v return
  • @@ -38,7 +38,7 @@ s.seg[n] = s.seg[n<<1] + s.seg[n<<1|1]
    } // Find element with prefix sum v - func (s segmentTree) Query(v, l, r, n int) (int, int) { + func (s *segmentTree) Query(v, l, r, n int) (int, int) { if l == r { return s.seg[n], l }