| 2101 | Redu | Cosmin Gheorghe | Algoritmiada 2010, Runda 2 | N/A |
| 2102 | Referat | Eugenie Daniel Posdarascu | Algoritmiada 2016 - Runda 4 - Juniors | N/A |
| 2103 | Reflex | Lucian Silaghi | ONI 2014, clasa a 9-a |      2/5 |
| 2104 | Reg | Silviu-Ionut Ganceanu | Stelele Informaticii 2005, clasele 11-12 |      5/5 |
| 2105 | Regat | Adrian Airinei | Lot Vrancea 2010, Baraj 1 | N/A |
| 2106 | Rege | Zoltan Szabo | Lot Juniori 2010 - Baraj 1 | N/A |
| 2107 | Rege2 | Cosmin Rusu | Grigore Moisil 2016, Clasele 11-12 | N/A |
| 2108 | Regine | Marius Andrei | Lot 2005 |      4/5 |
| 2109 | Regine2 | Mugurel Ionut Andreica | Happy Coding 2007 | N/A |
| 2110 | Regiuni | Cosmin Silvestru Negruseri | preONI 2007, Runda 4 |      3/5 |
| 2111 | Regiuni2 | Mugurel Ionut Andreica | Selectie echipe ACM ICPC, UPB 2007 | N/A |
| 2112 | Reguli | Filip Cristian Buruiana | preONI 2007, Runda 2 |      3/5 |
| 2113 | Reinvent | Mircea Bogdan Pasoi | ONI 2009, clasele 11-12 | N/A |
| 2114 | Rell's Report | Mihai-Alexandru Dusmanu, Teodor Plop | Infoarena Monthly 2014, Runda 1 | N/A |
| 2115 | Renovare | Tiberiu Savin | Autumn Warmup 2007, Runda 1 | N/A |
| 2116 | Reordonarea șirurilor de biți | Tudor Muresan | ad-hoc | N/A |
| 2117 | Rest | Paul-Dan Baltescu | Selectie echipe ACM ICPC, UPB 2008 | N/A |
| 2118 | Restante | Daniel Pasaila | preONI 2008 Runda 3 | N/A |
| 2119 | Restrict | Tudor Cozma | Grigore Moisil 2018, 11-12 | N/A |
| 2120 | Restrictii | Andrei Grigorean | Algoritmiada 2012, Runda Finala | N/A |
| 2121 | Resturi | Mugurel Ionut Andreica | Happy Coding 2 |      5/5 |
| 2122 | Resturi2 | Tiberiu Danet | Lot Alba Iulia 2004 | N/A |
| 2123 | Retea | Cosmin Gheorghe | Algoritmiada 2010, Runda 4 | N/A |
| 2124 | Retea2 | Clara Ionescu | Algoritmiada 2012, Runda 1 | N/A |
| 2125 | Retea3 | Gheorghe Manolache | Lot Resița 2012 - Baraj 1 Seniori | N/A |
| 2126 | Retele | Cristian Cadar | Lista lui Francu | N/A |
| 2127 | Reteta | Dana Lica | ONI 2008, clasa a 8-a | N/A |
| 2128 | Reteta2 | Emanuela Cerchez | OJI 2009, clasa a 10-a | N/A |
| 2129 | Return of the MVC | Cosmin Silvestru Negruseri | Algoritmiada 2013, Runda Finala |      3/5 |
| 2130 | Reuniune | Mircea Bogdan Pasoi | preONI 2006 Runda 1 |      1/5 |
| 2131 | Rev | Mircea Bogdan Pasoi | Lot 2008 - Piatra Neamt, Baraj3 | N/A |
| 2132 | Reversez | Eugenie Daniel Posdarascu | Lot Râmnicu Vâlcea 2015 - Baraj 2 Seniori | N/A |
| 2133 | Revolta | Stefan Ruseti | ACM ICPC - Romanian Programming Contest 2016 | N/A |
| 2134 | Revolutie | Andrei Grigorean | ONI 2009, clasele 11-12 | N/A |
| 2135 | Revolve | Lucian Bicsi | Concursul National de Informatica "Adolescent Grigore Moisil" 16 |      3/5 |
| 2136 | Revsecv | Andrei Popa | Algoritmiada 2016 - Runda 2, Seniori | N/A |
| 2137 | Rez | Doru Popescu Anastasiu | Lot Orastie 2004 | N/A |
| 2138 | Rezervatie Naturala | Suzana Galatan | ONI 2008, clasa a 7-a | N/A |
| 2139 | Rfinv | Mugurel Ionut Andreica | Happy Coding 2007 | N/A |
| 2140 | Rgb | George Marcus | Concursul National de Informatica "Adolescent Grigore Moisil" 17 |      1/5 |
| 2141 | Rick | Bogdan Iordache | InfoOltenia 2018 - Clasa a 10-a | N/A |
| 2142 | Ridicare la putere in timp logaritmic | Arhiva Educationala | ad-hoc | N/A |
| 2143 | Riremito | Adrian Budau | Algoritmiada 2015 Runda Finala | N/A |
| 2144 | Risc | Cosmin Gheorghe | Algoritmiada 2010, Runda Finala | N/A |
| 2145 | Risc2 | Constantin Galatan | ONI 2015, clasa a 9-a | N/A |
| 2146 | Risipa | Adrian Panaete | Lot Sibiu 2011 - Baraj 1 Juniori | N/A |
| 2147 | Rj | Emanuela Cerchez | OJI 2004, clasa a 10-a | N/A |
| 2148 | Rk | Vlad Duta | FMI No Stress 2010 | N/A |
| 2149 | Rland | Mugurel Ionut Andreica | preONI 2002 | N/A |
| 2150 | Ro | Mugurel Ionut Andreica | .campion 2007 |      5/5 |