| 2351 | Sortall | Adrian Budau, Bogdan Ciobanu, Tamio-Vesa Nakajima | Lot Seniori Campulung 2018, baraj 3 | N/A |
| 2352 | Sortare | Mircea Bogdan Pasoi | preONI 2008, Runda finala |      4/5 |
| 2353 | Sortare 2 | Marius Nicoli | PreOJI 2017 | N/A |
| 2354 | Sortare prin comparare | Arhiva Educationala | Arhiva educationala | N/A |
| 2355 | Sortare topologica | Arhiva Educationala | ad-hoc | N/A |
| 2356 | Sortari | Vlad Dascalu | preONI 2003 |      4/5 |
| 2357 | Sortari2 | Filip Cristian Buruiana | RMMS 2011 - Ziua 2 | N/A |
| 2358 | Sorting Proximity | Stefan Dascalescu | IIOT 2021-22 Runda 3 | N/A |
| 2359 | Sortnet | Mihai Patrascu | Lot 2002 |      4/5 |
| 2360 | Sortop | Adrian Budau, Eugenie Daniel Posdarascu | Algoritmiada 2016 Runda 3 Seniori | N/A |
| 2361 | Sosete | Marcel Codrea | ad-hoc | N/A |
| 2362 | Sotron | Cristina Barbieru | ONI 2007, clasa 9 | N/A |
| 2363 | Sotron2 | Tamio-Vesa Nakajima | Science On 2021, clasa 7-8 | N/A |
| 2364 | Spargere | Teodor Plop | ONIS 2014, Runda 3 | N/A |
| 2365 | Spargere2 | Teodor Plop | Infoarena Monthly 2014, Runda 4 | N/A |
| 2366 | Spatiu | Vlad Stoian | ONIS 2015, Runda 3 | N/A |
| 2367 | Specsort | Andrei Cristian Lambru | Lot Sovata 2014 Seniori Baraj 3 | N/A |
| 2368 | Spectacole | Marius Dumitran, Teodor Plop | Algoritmiada 2015 Runda 1 | N/A |
| 2369 | Speculum | Paul Diac | ONIS 2014, Runda 4 | N/A |
| 2370 | Spider | Istvan Budai | ONI 2013, clasa a 9-a | N/A |
| 2371 | Spider Man | Teodor Plop | Infoarena Monthly 2012, Runda 11 | N/A |
| 2372 | Spion | Vlad Nicu | ONI 2014, clasa a 10-a |      1/5 |
| 2373 | Spirala | Clara Ionescu | Grigore Moisil By Net 2006 |      1/5 |
| 2374 | Spirala2 | Rodica Pintea | OJI 2003, clasa a 10-a | N/A |
| 2375 | Spirala3 | Cosmin Silvestru Negruseri | Algoritmiada 2012, Runda 4 | N/A |
| 2376 | Spirala4 | | ICHB Faza pe scoala 2015 - clasa a 7-a | N/A |
| 2377 | Spiridusi | Vlad Gavrila | ONI 2015 Clasele 11-12 | N/A |
| 2378 | Spirt | Andrei Grigorean | Algoritmiada 2012, Runda Finala | N/A |
| 2379 | Split | Dan Pracsiu | ONI 2013, clasa a 9-a | N/A |
| 2380 | Split2 | Cazacu Alexandru | ONIS 2014, Runda 1 | N/A |
| 2381 | Split3 | Adrian Budau, Andrei Heidelbacher, Eugenie Daniel Posdarascu | Algoritmiada 2014, Runda Finala |      4/5 |
| 2382 | Spoiler | Catalin Francu | RMI 2015 | N/A |
| 2383 | Sport | Constantin Galatan | Lot Juniori 2008 - Baraj 5 | N/A |
| 2384 | Sport2 | Radu Voroneanu | Lot Sovata 2014 Seniori Baraj 3 | N/A |
| 2385 | Sprei | Tulba-Lecu Gabriel | IIOT 2019-20 Runda 1 | N/A |
| 2386 | Sprim | Cosmin Gheorghe | Algoritmiada 2009, Runda 1 | N/A |
| 2387 | Sqrt | Eugenie Daniel Posdarascu | Junior Challenge 2012 |      2/5 |
| 2388 | Squirrel | Cristian Francu | RMI 2018 | N/A |
| 2389 | Srevni | Cosmin Silvestru Negruseri | Bursele Agora 2006 |      2/5 |
| 2390 | Ssce | Marius Nicoli | Lot Vaslui 2014 - Baraj 3 Juniori | N/A |
| 2391 | Ssdj | Adrian Panaete, Dan Pracsiu, Vlad Gavrila | Lot Sovata 2014 Seniori Baraj 1 | N/A |
| 2392 | Sstabil | Pit-Rada Vasile | ONI 2012 - clasa a 9-a | N/A |
| 2393 | Stalpi | Adrian Airinei | preONI 2008, Runda 4 | N/A |
| 2394 | Stalpi2 | Constantin Galatan | ONI 2010, clasele 11-12 | N/A |
| 2395 | Stalpi3 | Doru Popescu Anastasiu | ONI 2011, clasa a 9-a | N/A |
| 2396 | Stalpisori | Tiberiu Savin | Algoritmiada 2010, Runda Finala | N/A |
| 2397 | StarCity | Eugenie Daniel Posdarascu | Algoritmiada 2016 Runda 1 Juniori | N/A |
| 2398 | Stari de spirit | Traian Rebedea | ACM ICPC Faza Nationala 2015 | N/A |
| 2399 | Staropramen | Florin Chirica, Teodor Ionescu | Concursul National de Informatica "Adolescent Grigore Moisil" |      1/5 |
| 2400 | Stars | Tamio-Vesa Nakajima | AGM 2019, runda finala | N/A |