| 801 | Dsets | Mugurel Ionut Andreica | Lot Baia Mare 2013 - Baraj 2 Seniori | N/A |
| 802 | Dsip | Cosmin Gheorghe | Algoritmiada 2009, Runda Finala | N/A |
| 803 | Dtcsu | Vlad Duta | FMI No Stress 4 | N/A |
| 804 | Dunarea | Victor Manz | ONI 2009, clasa a 8-a | N/A |
| 805 | Dungeon | Eugenie Daniel Posdarascu | ONI 2018, clasele 11-12, ziua 2 | N/A |
| 806 | Dungeon2 | Lucian Bicsi | EJOI 2021, ziua 2 | N/A |
| 807 | Dupadealuri | Tamio-Vesa Nakajima | Algoritmiada 2019 Runda Finala | N/A |
| 808 | Dusman | Filip Cristian Buruiana | preONI 2008 Runda 2 | N/A |
| 809 | Easy Choice | Din Folclor | Summer Challenge 2009, Runda 3 | N/A |
| 810 | Easy Query | Vlad Berteanu | Autumn Warmup 2006 |      4/5 |
| 811 | Easygraph | Teodor Plop | ONIS 2014, Runda 1 | N/A |
| 812 | Easylca | Vlad Duta | ONIS 2014, Runda Finala | N/A |
| 813 | Easyvect | Florin Chirica | Concursul National de Informatica "Adolescent Grigore Moisil" |      5/5 |
| 814 | Ec | Doru Popescu Anastasiu | ONI 2011, clasa a 9-a | N/A |
| 815 | Echilateral | Adrian Panaete | Lot Focsani 2016, Baraj 1 Seniori | N/A |
| 816 | Echilibrare | Adrian Panaete, Mihai Calancea | Lot Măgurele 2016 - Baraj 5 Seniori | N/A |
| 817 | Echilibru | Paul Diac | ONIS 2014, Runda 3 | N/A |
| 818 | Echipe | Mugurel Ionut Andreica | .campion 2005 |      5/5 |
| 819 | Echipe2 | Cosmin Gheorghe | Algoritmiada 2009, Runda Finala | N/A |
| 820 | Echival1 | Zoltan Szabo | Lot Deva 2013 - Baraj 2 Seniori | N/A |
| 821 | Echival2 | Zoltan Szabo | Lot Deva 2013 - Baraj 2 Seniori | N/A |
| 822 | Economie | Adrian Airinei | preONI 2008 Runda 1 | N/A |
| 823 | Ecotraseu | Vlad Manea | ONIS 2015, Runda 3 | N/A |
| 824 | Ecu | Mugurel Ionut Andreica | Lot 2003 |      3/5 |
| 825 | Ecu2 | Mugurel Ionut Andreica | Selectie echipe ACM ICPC, UPB 2007 | N/A |
| 826 | Ecuatie | Mircea Bogdan Pasoi | preONI 2008 Runda 1 | N/A |
| 827 | Ecuatii | Mihai Patrascu | ONI 2002 |      2/5 |
| 828 | Ecuatii 2 | Emanuela Cerchez | OJI 2006, Clasa a 10-a | N/A |
| 829 | Edist | Paul-Dan Baltescu | Selectie Girls Programming Camp | N/A |
| 830 | Editor | Mugurel Ionut Andreica | Stelele Informaticii 2003, clasele 9-10 |      1/5 |
| 831 | Egal | Andrei Parvu, Bogdan-Cristian Tataroiu | Algoritmiada 2011, Runda 3 | N/A |
| 832 | Egalitati | Mihai-Alexandru Dusmanu, Teodor Plop | Infoarena Monthly 2012, Runda 11 | N/A |
| 833 | Egipt | Clara Ionescu | Grigore Moisil 2010, Clasa a 10-a | N/A |
| 834 | Ejoc | Cosmin Gheorghe | Algoritmiada 2009, Runda 2 | N/A |
| 835 | Election | Andrei Constantinescu, Bogdan Ciobanu | BOI 2018 | N/A |
| 836 | Electoral | Netedu Andrei | Concursul Naţional de Informatică Urmaşii lui Moisil 2017 | N/A |
| 837 | Electrica | Cosmin Gheorghe | Algoritmiada 2009, Runda Finala | N/A |
| 838 | Elemente | Adrian Airinei | Algoritmiada 2011, Runda 3 | N/A |
| 839 | Elementul majoritar | Arhiva Educationala | Arhiva Educationala | N/A |
| 840 | Elhc | Alexandru Petrescu, Stefania Ionescu, Vlad Gavrila | ONSEPI 2021, clasa a 9-a | N/A |
| 841 | Elicop | Doru Popescu Anastasiu | OJI 2012 - clasa a 9-a | N/A |
| 842 | Elicoptere | Doru Popescu Anastasiu | OJI 2016, clasele 11-12 |      2/5 |
| 843 | Elimin | Filip Cristian Buruiana | preONI 2007, Runda 1 |      2/5 |
| 844 | Elimin 2 | Filip Cristian Buruiana | preONI 2007, Runda 4 |      4/5 |
| 845 | Eliminare | Nistor Eugen Mot | Lot 2004 | N/A |
| 846 | Elmer | Mircea Popoveniuc | ONI 2016, clasa a 10-a | N/A |
| 847 | Emacs | Bogdan Ciobanu | OSEPI Baraj Seniori 2 | N/A |
| 848 | Emax | Mircea Bogdan Pasoi | Lot Suceava 2007 | N/A |
| 849 | Emptri | Ciprian Chesca | Lot Mehedinți 2015 - Baraj 5 Seniori | N/A |
| 850 | Enemies | Andrei Constantinescu, Costin Oncescu | Lot Seniori Dorohoi 2019 - Baraj 1 | N/A |