Cumulative su,m

#1

What is cummulative sum means what??

#2

@sudhanshu8917 A cumulative sum is a sequence of partial sums of a given sequence.
Consider an array
[ 2, 4, 8, 10]
Its cumulative sum is:
[2, 2+4, 2+4+8, 2+4+8+10]
=[2, 6, 14, 24]

#3

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