| 2551 | Tetris | Autor necunoscut | ad-hoc | N/A |
| 2552 | Tetris2 | Dan-Ionut Fechete | Lot 2008 - Piatra Neamt, Baraj1 | N/A |
| 2553 | Tetris3 | Andrei Paul Puni | Lot Alba Iulia 2010, Baraj 1 | N/A |
| 2554 | Text | Adrian Vladu | preONI 2005 Runda 1 |      1/5 |
| 2555 | Text2 | Emanuela Cerchez | ONI 2009, clasa a 10-a | N/A |
| 2556 | Text3 | Horatiu Cristurean | OJI 2010, clasa a 10-a | N/A |
| 2557 | Text4 | Emanuela Cerchez | OJI 2003, clasa a 9-a | N/A |
| 2558 | Text5 | Rodica Pintea | ONI 2015 Clasele 11-12 | N/A |
| 2559 | Texttrim | Gabriel Bitis | Infoarena Monthly 2012, Runda 1 | N/A |
| 2560 | Tg | Pit-Rada Vasile | ONI 2014 Clasa a 9-a | N/A |
| 2561 | Tgraf | Mugurel Ionut Andreica | .campion 2003 | N/A |
| 2562 | Thread | Stefan Ciobaca | ONIS 2014, Runda Finala | N/A |
| 2563 | Tic Tac | Teodor Plop | ONIS 2015, Runda 2 | N/A |
| 2564 | Tigri | Alexandru Petrescu | Algoritmiada 2022, Runda 1 | N/A |
| 2565 | Tije | Mugurel Ionut Andreica | Stelele Informaticii 2007, clasele 9-10 | N/A |
| 2566 | Timbre | Bogdan Alexandru Stoica | info-arena 1.0 |      2/5 |
| 2567 | Time Travel Gossip | Eugenie Daniel Posdarascu | Algoritmiada 2014, Runda Finala |      2/5 |
| 2568 | Timetravel | Cosmin Gheorghe | Algoritmiada 2013, Runda Finala |      4/5 |
| 2569 | Timp | Marius Andrei | Stelele Informaticii 2003, clasele 9-10 |      1/5 |
| 2570 | Tiny Types | Stefan Dascalescu | IIOT 2021-22 Runda 2 | N/A |
| 2571 | Tir | Doru Popescu Anastasiu | ONI 2009, clasa a 7-a | N/A |
| 2572 | Tm | | ad-hoc | N/A |
| 2573 | Tnia | Eugenie Daniel Posdarascu | OJI 2018, Clasa a 9-a | N/A |
| 2574 | TollRoads | | ad-hoc | N/A |
| 2575 | Tom & Jerry | Mugurel Ionut Andreica | Lot 2005 |      5/5 |
| 2576 | Tort | Stefan Gheorghe | info-arena 1.0 |      2/5 |
| 2577 | Tort2 | Nistor Eugen Mot | ONI 2011, clasa a 9-a | N/A |
| 2578 | Tort3 | Petru Trimbitas | ONI 2016, clasa a 10-a | N/A |
| 2579 | Tort4 | Marius Nicoli | OJSEPI 2021, clasa a 10-a | N/A |
| 2580 | Tot o luna | Teodor Plop | Infoarena Monthly 2014, Runda 6 | N/A |
| 2581 | Tournament | Andrei Heidelbacher | Lot Focsani 2016 Baraj 2 Seniori | N/A |
| 2582 | Tower | Alexandru Valeanu | RMI 2016 | N/A |
| 2583 | Tower8 | Adrian Panaete | Lot Baia Mare 2013 - Baraj 1 Seniori | N/A |
| 2584 | Towers | Rusko Shikov | Shumen 2016 - Seniori | N/A |
| 2585 | Towerx | Adrian Panaete | Lot Deva 2013 - Baraj 1 Seniori | N/A |
| 2586 | Toys | Adrian Diaconu | .campion 2006-2007, runda 12, grupa L | N/A |
| 2587 | TPerm | Mugurel Ionut Andreica | Romanian Open Contest, TIMUS 2001 | N/A |
| 2588 | Tproc | Mugurel Ionut Andreica | Stelele Informaticii 2007-2008, Clasele 11-12 | N/A |
| 2589 | TractoMarm | Andrei Parvu, Tiberiu Savin | Algoritmiada 2011, Runda 1 | N/A |
| 2590 | Tractor | Adrian Diaconu, Mircea Bogdan Pasoi | Stelele Informaticii 2006, clasele 11-12 |      4/5 |
| 2591 | Tractor sau tractoras? | Patrick Sava | Concursul National de Informatica "Adolescent Grigore Moisil" 17 | N/A |
| 2592 | Tractor2 | Alex Cociorva, Mircea Popoveniuc, Razvan Salajan | Grigore Moisil 2018, 10 | N/A |
| 2593 | Traffickers | Andrei Arnautu | RMI 2018 | N/A |
| 2594 | Trafic | Dan-Ionut Fechete | .campion 2005 | N/A |
| 2595 | Training Dummy | Andrei Heidelbacher, Teodor Plop | Infoarena Monthly 2014, Runda 8 | N/A |
| 2596 | Trampoline | Alexa Tudose | Info(1)cup 2020 | N/A |
| 2597 | Tramvai | Mugurel Ionut Andreica | Happy Coding 2007 | N/A |
| 2598 | Trandafiri | Eugenie Daniel Posdarascu | Algoritmiada 2017 Runda 2 | N/A |
| 2599 | Trans | Mugurel Ionut Andreica | ONI 2004 |      3/5 |
| 2600 | Transform2 | Zoltan Szabo | ONI 2016, clasele 11-12 | N/A |