leetcode

Documentation

Index

• type NumMatrix
  • func Constructor(matrix [][]int) NumMatrix
  • func (t *NumMatrix) SumRegion(row1 int, col1 int, row2 int, col2 int) int

Types

type NumMatrix

type NumMatrix struct {
	// contains filtered or unexported fields
}

https://leetcode.com/problems/range-sum-query-2d-immutable/

func Constructor

func Constructor(matrix [][]int) NumMatrix

func (*NumMatrix) SumRegion

func (t *NumMatrix) SumRegion(row1 int, col1 int, row2 int, col2 int) int