| 2651 | Tris | Eugenie Daniel Posdarascu, Lucian Bicsi | ONI 2017, clasele 11-12 | N/A |
| 2652 | Triti2 | Cosmin-Mihai Tutunaru | Tiberiu Popoviciu 2011, Clasele 11-12 | N/A |
| 2653 | Triticale | Valentin Gheorghita | Lista lui Francu | N/A |
| 2654 | Tritzi | Mugurel Ionut Andreica | Happy Coding 2007 | N/A |
| 2655 | Triunghi | Mircea Bogdan Pasoi | info-arena 1.0 |      3/5 |
| 2656 | Triunghi2 | Doru Popescu Anastasiu | ONI 2007, clasa 9 | N/A |
| 2657 | Triunghi3 | Marius Nicoli | ONI 2010, clasa a 10-a | N/A |
| 2658 | Triunghi5 | Zoltan Szabo | OJI 2014 - clasa a 10-a | N/A |
| 2659 | Triunghiuri | Seritan Luca | FMI No Stress 10 | N/A |
| 2660 | Trmax | Cosmin Gheorghe | Algoritmiada 2009, Runda Finala | N/A |
| 2661 | Troll | Ioan Petcu | .com 2012 Runda 2 | N/A |
| 2662 | Tromino | Vlad Stoian | Urmasii lui Moisil 2016, Clasa a 9-a | N/A |
| 2663 | Trompeta | Din Folclor | Autumn Warmup 2007, Runda 2 | N/A |
| 2664 | Trotuar | Zoltan Szabo | Lot Bistrita 2009, Baraj 3 | N/A |
| 2665 | Tsah | Mugurel Ionut Andreica | Selectie echipe ACM ICPC, UPB 2007 | N/A |
| 2666 | Tsunami | Eugen Nodea | ONI 2011 - clasa a 10-a | N/A |
| 2667 | Tubeyou | Alexandru Petrescu | Algoritmiada 2019 Runda Maraton | N/A |
| 2668 | Tunelul groazei | Andrei Grigorean | preONI 2008 Runda 1 | N/A |
| 2669 | Turcane | Andrei Costin Constantinescu, Mihai Bunget | OJI 2023, clasele 11-12 | N/A |
| 2670 | Ture | Adrian Diaconu | .campion 2006-2007, Runda 3 |      3/5 |
| 2671 | Ture Impiedicate | | ad-hoc | N/A |
| 2672 | Turism | Mircea Bogdan Pasoi | Lot Suceava 2007 | N/A |
| 2673 | Turism2 | Adrian Airinei | Lot 2008 - Piatra Neamt, Baraj2 | N/A |
| 2674 | Turism3 | Adrian Pintea | Lot Juniori 2009 - Baraj 3 | N/A |
| 2675 | Turneu | Florin Manea | Stelele Informaticii 2005, clasele 11-12 |      3/5 |
| 2676 | Turnuri | Adrian Airinei | Lot 2008 - Piatra Neamt, Baraj3 | N/A |
| 2677 | Turnuri2 | Tiberiu Savin | Algoritmiada 2011, Runda 2 | N/A |
| 2678 | Turnuri4 | Eugenie Daniel Posdarascu | OJI 2018, Clasa a 10-a | N/A |
| 2679 | Turnuri5 | Alex Cociorva, Bereczki Norbert Cristian, Mircea Popoveniuc | Grigore Moisil 2018, 11-12 | N/A |
| 2680 | TVShow | Silviu-Ionut Ganceanu | .campion 2005 |      3/5 |
| 2681 | Twinperms | Tinca Matei | Algoritmiada 2022, Runda 1 | N/A |
| 2682 | TwoSets | Mihai Calancea | Algoritmiada 2015, Runda 2 | N/A |
| 2683 | Twoton | Stefan Ciobaca | ACM ICPC - Romanian Programming Contest 2016 | N/A |
| 2684 | Tygyn | Alexandru Petrescu | Tuymaada 2019 | N/A |
| 2685 | Ubercool | Dragos Oprica | FMI No Stress 3 |      1/5 |
| 2686 | Ubergraf | Alexandru Tomescu, Paul-Dan Baltescu | Lot Vrancea 2010, Baraj 3 | N/A |
| 2687 | Ubuntzei | Marius Stroe | OJI 2011, clasele 11-12 | N/A |
| 2688 | UCL | Stefan Dascalescu | IIOT 2021-22 Runda 1 | N/A |
| 2689 | Ulei | Catalin-Stefan Tiseanu | ONI 2009 - baraj |      5/5 |
| 2690 | Ultimul Cartus | Andrei Constantinescu | Junior Challenge 2016 | N/A |
| 2691 | Ultrapoligon | Alexandru Luchianov | Summer Challenge 2019 | N/A |
| 2692 | Unda | Cosmin Gheorghe | Algoritmiada 2012, Runda 1 | N/A |
| 2693 | Undo | Andrei Heidelbacher, Eugenie Daniel Posdarascu | Lot Mehedinți 2015 - Baraj 5 Seniori | N/A |
| 2694 | Undo2 | Petru Trimbitas | ONI 2016, clasa a 10-a | N/A |
| 2695 | Unicat | Serban Andrei Stan | Algoritmiada 2013, Runda 3 | N/A |
| 2696 | Union | Mihai Calancea | ACM-ICPC Faza Nationala 2017 | N/A |
| 2697 | Unique | Andrei Grigorean, Paul-Dan Baltescu | ONI 2009 - baraj | N/A |
| 2698 | Unlock | Mihai Calancea | ONIS 2016 Runda Online | N/A |
| 2699 | Unter | Mihai Calancea | ACM-ICPC Faza Nationala 2018 | N/A |
| 2700 | Unuzero | Gheorghe Manolache | ONI 2012 - clasa a 9-a | N/A |