连续的子数组和为K-------------------Subarray Sum Equals K560
Givenanarrayofintegersandanintegerk,youneedtofindthetotalnumberofcontinuoussubarrayswhosesumequalstok.Example1:Input:nums=[1,1,1],k=2Output:2Note:Thelengthofthearrayisinrange[1,20,000].Therangeofnumbe