| 1401 | Matrice 8 | Tudose Vlad Andrei | ONIS 2014, Runda 3 | N/A |
| 1402 | Matrice Aleatoare | Alexandru Petrescu | Algoritmiada 2022, Runda 3 | N/A |
| 1403 | Matrice3 | Paul-Dan Baltescu | Algoritmiada 2010, Runda 4 | N/A |
| 1404 | Matrice5 | Eugenie Daniel Posdarascu | .com 2011 |      2/5 |
| 1405 | Matrice6 | Eugenie Daniel Posdarascu | .com 2012 Runda 1 |      3/5 |
| 1406 | Matriceechilibrata | Tamio-Vesa Nakajima | Algoritmiada 2022, Runda 2 | N/A |
| 1407 | Matricen | Adrian Airinei | Algoritmiada 2010, Runda Finala | N/A |
| 1408 | Matrita | Andrei Coman | Junior Challenge 2018 | N/A |
| 1409 | Matrix | Silviu-Ionut Ganceanu, Tiberiu-Lucian Florea | preONI 2006 Runda 4 |      2/5 |
| 1410 | Matrix2 | Alex Susu | Lista lui Francu | N/A |
| 1411 | Matsum | Costin Oncescu, Tamio-Vesa Nakajima | InfoPro, Runda 4, Grupa A | N/A |
| 1412 | Maxd | Adrian Nita, Maria Nita | OJI 2005, clasa a 9-a | N/A |
| 1413 | Maxdist | Radu Visan, Stefan Popa | Lot Focsani 2016, Baraj 1 Seniori | N/A |
| 1414 | Maxim2 | Florin Chirica | Concursul National de Informatica "Adolescent Grigore Moisil" 17 | N/A |
| 1415 | Maxim3 | | OJI 2019, clasa a 6-a | N/A |
| 1416 | Maximum 0ccurrences | Vlad Andries | IIOT 2021-22 Runda 2 | N/A |
| 1417 | Maxk | Gemene Narcis - Gabriel | preOJI 2016, clasa a 10-a |      1/5 |
| 1418 | Maxmaxmax | Dragos Oprica, Zoltan Szabo | Lot Baia Mare 2013 - Baraj 1 Seniori | N/A |
| 1419 | Maxpal | Zoltan Szabo | ONI 2009 - baraj | N/A |
| 1420 | Maxq | Daniel Pasaila | ONI 2007, clasele 11-12 | N/A |
| 1421 | Maxsecv | Daniel Pasaila | Unirea2007 |      1/5 |
| 1422 | MaxSubSum | Mihai Calancea | ONIS 2016 Runda Online | N/A |
| 1423 | Maxunice | Mugurel Ionut Andreica | Selectie echipe ACM ICPC, UPB 2008 | N/A |
| 1424 | Mayonaka | Eugenie Daniel Posdarascu, Mihai Calancea | Algoritmiada 2016 - Runda 2, Juniori | N/A |
| 1425 | Mcript | Robert Petrov | Concursul National Urmasii lui Moisil 2012, Clasa a 9-a |      1/5 |
| 1426 | Mdluffxor | Tamio-Vesa Nakajima | AGM 2019, runda finala,ziua 1 | N/A |
| 1427 | Meci | Alexandru Petrescu | IIOT 2019-20 Runda 3 | N/A |
| 1428 | Media | Alexandru Petrescu | InfoPro, Etapa 3, Grupa B | N/A |
| 1429 | Mediana | Cosmin-Mihai Tutunaru | Finala ONIS 2016 | N/A |
| 1430 | Medie | Adrian Nita, Maria Nita | ONI 2006, clasa 10 | N/A |
| 1431 | Meeting | Mugurel Ionut Andreica | Fall Contest #2, SGU 2002 | N/A |
| 1432 | Melc | Mugurel Ionut Andreica | Romanian Open Contest, TIMUS 2001 | N/A |
| 1433 | Melodii | Andrei Cristian Lambru | FMI No Stress 4 | N/A |
| 1434 | Memcpy | Cosmin Silvestru Negruseri | Algoritmiada 2014, Runda 2 | N/A |
| 1435 | Meneaito | Alexandru Cazacu | FMI No Stress 3 | N/A |
| 1436 | Menger | Vlad Manea | ACM 2014 | N/A |
| 1437 | Meow | Alexandru Velea | Lot 2017 Baraj 2 | N/A |
| 1438 | Mere | Marius Dumitran, Teodor Plop | FMI No Stress 5 | N/A |
| 1439 | Mergesort | Mihai Calancea | Algoritmiada 2013, Runda 2 | N/A |
| 1440 | Mesaj | Mircea Bogdan Pasoi | Stelele Informaticii 2006, clasele 9-10 |      3/5 |
| 1441 | Mesaj 3 | Dan-Ionut Fechete | Lot Suceava 2007 | N/A |
| 1442 | Mesaj2 | Radu Berinde | Lot 2004 | N/A |
| 1443 | Mesaj4 | Din Folclor | Stelele Informaticii 2010 | N/A |
| 1444 | Mesaje | Florentina Ungureanu, Mugurel Ionut Andreica | ONI 2010, clasa a 10-a | N/A |
| 1445 | Mese | Nistor Eugen Mot | .campion 2006 | N/A |
| 1446 | Mess | Mircea Dima | .campion 2010 runda 7 | N/A |
| 1447 | Metaxa | Andrei Dumitrescu | Concursul National de Informatica "Adolescent Grigore Moisil" 18 | N/A |
| 1448 | Metro | Teodor Ionescu | RMI 2016 |      5/5 |
| 1449 | Metrou | Teodor Plop | Infoarena Monthly 2012, Runda 10 | N/A |
| 1450 | Metrou2 | Vlad Gavrila | ONI 2015 Clasele 11-12 | N/A |