Please give some online judge problems in which prefix sum( also known as cumulative sum) technique is useful.
Thanks in advance.
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Please give some online judge problems in which prefix sum( also known as cumulative sum) technique is useful.
Thanks in advance.
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Edit:
Edit 2:
thanks so much mr. Shinadul
He is Shahidul, not Shinadul lmao
How ignorant you are, if you can't even copy the name correctly
A quite simple one: 816B — Karen and coffe
std::partial_sum( )
296C Greg and Array
Some DP + prefix sum : 479E - Riding in a Lift
PS : Sorry , but wasn't knowing that it's very old blog
Hey bro Old is GOLD ;)
;)
Problems sorted by difficulty.
Kuriyama Mirai's Stones
Vika and Squares
Balanced Tunnel
Karen and Coffee
Greg and Array
Valid Sets
Star Sky
Train Hard, Win Easy