Diferente pentru ciorna intre reviziile #18 si #19

Nu exista diferente intre titluri.

Diferente intre continut:

** Fast Walsh-Hamard transform
*** 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
*** Probleme: 'POLYEVAL':https://www.codechef.com/JULY16/problems/POLYEVAL
** Smenul cu divide et impera
*** 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

Nu exista diferente intre securitate.

Topicul de forum nu a fost schimbat.