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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https://www.codechef.com/problems/PRFSM
https://codeforces.com/problemset/problem/1469/B Two very easy problems, hope this can help u.
very nice suggest thx tesla <3
https://usaco.guide/silver/prefix-sums
https://usaco.guide/silver/more-prefix-sums
enjoi
Some easy problems from easier to harder:
1697B - Promo
1709B - Also Try Minecraft
1615B - And It's Non-Zero.