Please give some online judge problems in which prefix sum( also known as cumulative sum) technique is useful.
Thanks in advance.
Please give some online judge problems in which prefix sum( also known as cumulative sum) technique is useful.
Thanks in advance.
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