*** Probleme: 'cntgcd':problema/cntgcd, 'Line counting':http://opencup.ru/files/och/gp11/problems1-e.pdf
* 'Coduri gray':coduri-gray
* 'Teorema chineza a resturilor':teorema-chineza-a-resturilor

** Probleme: 'eval':problema/eval, 'resturi':problema/resturi, 'gears in action':https://ipsc.ksp.sk/2005/real/problems/g.html

** Probleme: 'eval':problema/eval, 'resturi':problema/resturi, 'gears in action':https://ipsc.ksp.sk/2005/real/problems/g.html, 'resturi2':problema/resturi2

* 'Operatii pe numere mari':http://algopedia.ro/wiki/index.php/Clasa_VII/VIII_lec%C8%9Bia_24_-_10_mar_2015#Adunarea_a_dou.C4.83_numere_mari
* Fast Fourier Transform
** 'Inmultirea polinoamelor':http://www.cs.cmu.edu/afs/cs/academic/class/15451-s10/www/lectures/lect0423.txt

*** Probleme: 'Random NIM Generator':https://csacademy.com/contest/archive/#task/random_nim_generator/, 'And-Closure':https://csacademy.com/contest/archive/#task/and-closure/
** Mixed radix
** Smenul cu divide et impera

*** Probleme: 'CF 438E':http://codeforces.com/contest/438/problem/E, 'CF 553E':http://codeforces.com/contest/553/problem/E

*** Probleme: 'CF 438E':http://codeforces.com/contest/438/problem/E, 'CF 553E':http://codeforces.com/contest/553/problem/E, 'Jetpack':https://csacademy.com/contest/round-9/#task/jetpack

* 'Eliminare Gaussiana':problema/gauss
** Probleme: 'network':problema/network, 'CF 446D':http://codeforces.com/contest/446/problem/D
** Determinant: 'afterparty':problema/afterparty

** 'Algoritmul lui Kitamasa (JP)':http://misawa.github.io/others/fast_kitamasa_method.html
*** 'Teorema Cayley-Hamilton':https://discuss.codechef.com/questions/49614/linear-recurrence-using-cayley-hamilton-theorem
*** 'Explicatie':https://discuss.codechef.com/questions/65993/rng-editorial

** 'Algoritmul Berlekamp–Massey':https://en.wikipedia.org/wiki/Berlekamp%E2%80%93Massey_algorithm pentru recurenta de ordin minim al unui sir
*** 'Calcularea determinantului':https://github.com/yosupo06/Algorithm/blob/master/container/poly.h

* Simplex
** 'Duality':http://web.mit.edu/15.053/www/AMP-Chapter-04.pdf
* "Floyd's cycle finding":http://en.wikipedia.org/wiki/Cycle_detection
** Probleme: 'reactor':problema/reactor

* Combinatorica

* Combinatorica
** Triunghiul lui Pascal
** 'Triunghiul lui Sierpinski':https://goo.gl/KiOmXB
*** Probleme: 'magic4':problema/magic4, 'xor3':problema/xor3
** Permutari / Combinari cu repetitii
** N ca suma de K valori pozitive <tex>\binom{N + K - 1}{K}</tex>
*** Probleme: 'superbec':problema/superbec
** N ca suma de valori K valori strict pozitive <tex>\binom{N - 1}{K - 1}</tex>
** Numarul lui Catalan
*** Triunghiul lui Catalan
*** Probleme: 'permutari4':problema/permutari4, 'colors':problema/colors
** Teorema lui Lucas
** Teorema lui Wilson
** 'Numerele lui Stirling':problema/stirling
*** Problemele: 'ex':problema/ex, 'xnumere':problema/xnumere
** 'Identitatile Hockey-stick si a lui Vandermonde':http://artofproblemsolving.com/wiki/index.php/Combinatorial_identity
*** Probleme: 'nmult':problema/nmult
** 'Lema lui Burnside':https://artofproblemsolving.com/wiki/index.php/Burnside%27s_Lemma
** 'Formula lui Cayley':https://goo.gl/2O1ruS
*** Probleme: 'zapezi2':problema/zapezi2
* 'Mobius Function':https://www.quora.com/profile/Surya-Kiran/Posts/A-Dance-with-Mobius-Function
* Probabilitati
** 'Expected value':https://en.wikipedia.org/wiki/Expected_value: 'Tequila':problema/tequila, 'Sms':problema/sms, 'Expected Velea':problema/expected, 'Albume':problema/albume, 'Diapazon':problema/diapazon
** 'Ballot theorem':https://goo.gl/6kQZ8l
* 'Principiul includerii si excluderii':principiul-includerii-si-excluderii
** Probleme: 'cowfood':problema/cowfood, 'indep':problema/indep, 'frac':problema/frac, 'CF 451E':http://codeforces.com/contest/451/problem/E, 'light2':problema/light2,