** Probleme: 'biomech':problema/biomech, 'euclid':problema/euclid, 'matrice3':problema/matrice3, 'zodiac':http://varena.ro/problema/zodiac
* 'Sqrt Trick':blog/square-root-trick
** 'Sqrt Trick Lecture':http://acm.math.spbu.ru/~sk1/mm/lections/mipt2016-sqrt/mipt-2016-burunduk1-sqrt.en.pdf

** 'Algoritmul lui Mo:':http://ei1333.hateblo.jp/entry/2017/09/11/211011 'rangemode':problema/rangemode, 'infinitywar':problema/infinitywar

** 'Algoritmul lui Mo:':http://codeforces.com/blog/entry/7383 'rangemode':problema/rangemode, 'infinitywar':problema/infinitywar

*** 'Pe arbore:':http://codeforces.com/blog/entry/43230 'egal':problema/egal, 'DISTNUM3':https://www.codechef.com/FEB17/problems/DISTNUM3
*** 'Update-uri':https://goo.gl/YAVfo2
** Probleme: 'CF 702 F':http://codeforces.com/problemset/problem/702/F, 'CF 342 E':http://codeforces.com/problemset/problem/342/E, 'rafaela':problema/rafaela, 'Tree of Almost Clean Money':http://codeforces.com/gym/100818/attachments/download/3890/20152016-acmicpc-southeastern-european-regional-programming-contest-seerc-2015-en.pdf, 'rutier':problema/rutier
** 'Alta idee':https://goo.gl/2FZhic, 'triaj':problema/triaj
* 'Cautari ortogonale. Quad trees, kD-trees':cautari-ortogonale
** Probleme: 'imagine':problema/imagine, 'grau':problema/grau, 'mindist':problema/mindist

* 'Wavelet Matrix':http://min-25.hatenablog.com/entry/2017/09/13/073449

* Wavelet Matrix

** Probleme: 'qxy':problema/qxy
h2. Matematica