#1564Easy· asked at 3 companies
Range Sum Query - Immutable
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What we know
Example 1
Input: ["NumArray","sumRange","sumRange","sumRange"] [[[-2,0,3,-5,2,-1]],[0,2],[2,5],[0,5]] Output: [null,1,-1,-3]
Constraints
- •
1 <= nums.length <= 10^4 - •
-10^5 <= nums[i] <= 10^5 - •
0 <= left <= right < nums.length - •
At most
10^4calls will be made tosumRange.