* cerc - cerc
** Probleme: 'cuiburi':problema/cuiburi
* poligon convex - poligon convex

* 'semiplan - semiplan':http://petr-mitrichev.blogspot.com/2016/07/a-half-plane-week.html (fara dualizare)
** Probleme: 'copacsmenar':problema/copacsmenar

* semiplan - semiplan (fara dualizare)
** Probleme: 'camera':problema/camera, 'copacsmenar':problema/copacsmenar

h4. Poligoane

* 'Cele mai apropiate puncte din plan':problema/cmap
** Probleme: 'harta2':problema/harta2
** Approximative - Chan

* Minimal enclosing circle

* 'Minimal enclosing circle':http://www.infoarena.ro/minimal-enclosing-circle

** 'Solutia cu Hill Climbing':http://codeforces.com/blog/entry/23554
* Diagrame Voronoi

h4. Baleiere

h4. 'Baleiere':http://www.infoarena.ro/algoritmi-de-baleiere

* Verticala / orizontala
** Probleme: 'drept3':problema/drept3, 'cabana2':problema/cabana2