AutoBuild_2024.10.17_21-24

Merge pull request #44 from danielfalbo/master

define mod for substring hash segment tree

AutoBuild_2024.10.11_15-37

Merge pull request #43 from cp-sapienza/subarr-sums

add subarray sum queries (i forgor this one)

swerc-2022

Fix indexes in D&C DP (definitively)