* Memoizare
** Probleme: 'alpin':problema/alpin, 'Mr. Kitayuta, the Treasure Hunter':http://codeforces.com/contest/505/problem/C, 'aby':problema/aby
* 'Metode de optimizare':http://codeforces.com/blog/entry/8219

** 'Functii Monge convexe / concave':http://codeforces.com/blog/entry/49691

** 'Functii Monge':http://codeforces.com/blog/entry/49691

*** Probleme: 'Aliens':http://ioinformatics.org/locations/ioi16/contest/day2/aliens/aliens-ISC.pdf, 'Exam Cheating':http://codeforces.com/contest/796/problem/E, 'Building a Tall Barn':http://www.usaco.org/index.php?page=viewproblem2&cpid=697, 'popcorn':problema/popcorn, 'April Fools Problem':http://codeforces.com/contest/802/problem/O
** Probleme: 'nucleulvaloros2':problema/nucleulvaloros2, 'euro':problema/euro, 'costsq':problema/costsq, 'easyvect':problema/easyvect
** Hirschberg trick