README ¶ 303. Range Sum Query - Immutable [简单] 动态规划 给定一个整数数组 nums,求出数组从索引 i 到 j (i ≤ j) 范围内元素的总和,包含 i, j 两点。 示例: 给定 nums = [-2, 0, 3, -5, 2, -1],求和函数为 sumRange() sumRange(0, 2) -> 1 sumRange(2, 5) -> -1 sumRange(0, 5) -> -3 说明: 你可以假设数组不可变。 会多次调用 sumRange 方法。 Expand ▾ Collapse ▴ Documentation ¶ Index ¶ type NumArray func Constructor(nums []int) NumArray func (na *NumArray) SumRange(i int, j int) int Constants ¶ This section is empty. Variables ¶ This section is empty. Functions ¶ This section is empty. Types ¶ type NumArray ¶ type NumArray struct { // contains filtered or unexported fields } func Constructor ¶ func Constructor(nums []int) NumArray func (*NumArray) SumRange ¶ func (na *NumArray) SumRange(i int, j int) int Source Files ¶ View all Source files solution.go Click to show internal directories. Click to hide internal directories.