Hello, can someone provide me good tutorials on 2d segment tree and 2d fenwick tree, from where he/she studied. Thanks !
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Hello, can someone provide me good tutorials on 2d segment tree and 2d fenwick tree, from where he/she studied. Thanks !
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You can check this one
i want fr 2d st and fwt, its not 2d
Check carefully You will find a point as Simple 2D Segment Tree
https://www.topcoder.com/community/competitive-programming/tutorials/binary-indexed-trees/#2d