Level:
Medium
题目描述:
Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k.
Example 1:
Input:nums = [1,1,1], k = 2
Outp...
[leetcode] 66. plus one 加一运算
given a non-empty array of decimal digits representing a non-negative integer, increment one to the integer.
the digits are stored such that the...