| 1951 | Por Costel si Semipalindroamele | Mihai Nitu, Murtaza Alexandru, Vlad Costin | ONIS 2015, Runda 1 | N/A |
| 1952 | Por Costel și Trădarea | Mihai Calancea | ONIS 2015, Runda Finala | N/A |
| 1953 | Por Costel și Trenul | Mihai Nitu | FMI No Stress 6 | N/A |
| 1954 | Por Costel, Zeul | Mihai Nitu | FMI No Stress 6 | N/A |
| 1955 | Portal3 | Mihai Gheorghe | .com 2011 | N/A |
| 1956 | Portale | Luca Perju Verzotti | Summer Challenge 2021 | N/A |
| 1957 | Portocal | Alexandra Udristoiu | ONI 2022 Baraj Seniori Ziua 1 | N/A |
| 1958 | Portofel | Paul Diac | Romanian Collegiate Programming Contest 2019 | N/A |
| 1959 | Posta | Din Folclor | Summer Challenge 2009, Runda 1 | N/A |
| 1960 | Posta2 | Cosmin-Mihai Tutunaru | ONI 2011, clasele 11-12 | N/A |
| 1961 | Posta3 | Andrei Ciocan | Lot Resița 2012 - Baraj 3 Seniori | N/A |
| 1962 | Potriveala | Cosmin Gheorghe | Algoritmiada 2014, Runda 3 | N/A |
| 1963 | Potrivire | Alexandru Cazacu | FMI No Stress 2012 | N/A |
| 1964 | Potrivirea sirurilor | Arhiva Educationala | ad-hoc | N/A |
| 1965 | Poveste | Adrian Budau, Eugenie Daniel Posdarascu | Algoritmiada 2015, Runda 2 | N/A |
| 1966 | Power | Costin Oncescu | AGM 2019, runda nationala | N/A |
| 1967 | Powerful | Tamio-Vesa Nakajima | AGM 2019, runda finala | N/A |
| 1968 | Poze | Cosmin Silvestru Negruseri | Lot Alba 2006 | N/A |
| 1969 | Pp | Mugurel Ionut Andreica | Selectie echipe ACM ICPC, UPB 2008 | N/A |
| 1970 | Ppal | Zoltan Szabo | Lot Cluj 2009, Baraj 4 | N/A |
| 1971 | Ppcover | Mugurel Ionut Andreica | Lot Vrancea 2010, Baraj 3 | N/A |
| 1972 | Pq | Mugurel Ionut Andreica | ACM ICPC - Romanian Programming Contest 2016 | N/A |
| 1973 | Praslea | Adrian Airinei | ONI 2009 - baraj | N/A |
| 1974 | Prea Simplu! | Andrei Constantinescu, Costin Oncescu | Junior Challenge 2016 | N/A |
| 1975 | Prefix | Mugurel Ionut Andreica | Stelele Informaticii 2003 |      4/5 |
| 1976 | Prefix2 | Adrian Budau | Happy Birthday Infoarena 2014 | N/A |
| 1977 | Prefixe | Stefan Ciobaca | ONIS 2014, Runda Finala | N/A |
| 1978 | Present | Tamio-Vesa Nakajima | RMI 2021 | N/A |
| 1979 | Prezenta | Stefan Ciobaca | ONIS 2015, Runda 3 | N/A |
| 1980 | Prietene | Valentin Rosca | Concursul Naţional de Informatică Urmaşii lui Moisil 2017 | N/A |
| 1981 | Prieteni | Roxana Tamplaru | ONI 2006, clasa 10 | N/A |
| 1982 | Prieteni2 | Stefan Radu | FMI No Stress 10 | N/A |
| 1983 | Prietenie2 | Andrei Parvu | Lot Arad 2011 | N/A |
| 1984 | Primar | Bogdan Alexandru Stoica | Winter Challenge 2008, Runda 1 | N/A |
| 1985 | Prime | | ICHB Faza pe scoala 2015 - clasa a 6-a | N/A |
| 1986 | Prime Sums | Vlad Andries | IIOT 2021-22 Runda 1 | N/A |
| 1987 | Primesato | Tamio-Vesa Nakajima | AGM 2019, runda finala | N/A |
| 1988 | Principiul includerii si excluderii | Arhiva Educationala | Arhiva Educationala | N/A |
| 1989 | Pro3 | Ciprian Chesca | ONI 2019, clasa a 9-a, ziua 1 | N/A |
| 1990 | Problema A | Iulia Duta, Teodor Plop | Infoarena Monthly 2014, Runda 9 | N/A |
| 1991 | Problema cu becuri | Radu Stefan Voroneanu | Infoarena Monthly 2014, Runda 9 | N/A |
| 1992 | Problema Damelor | Arhiva Educationala | Arhiva Educationala | N/A |
| 1993 | Problema penala | Silviu-Ionut Ganceanu | Stelele Informaticii 2006, clasele 9-10 |      2/5 |
| 1994 | Problema rucsacului | Arhiva Educationala | Arhiva Educationala | N/A |
| 1995 | Proc | Mugurel Ionut Andreica | ONI 2003 |      2/5 |
| 1996 | Proc2 | Adrian Diaconu | Algoritmiada 2011, Runda 3 | N/A |
| 1997 | Procente | Ciprian Chesca | ONI 2015, clasa a 10-a | N/A |
| 1998 | Procesor | Cosmin Silvestru Negruseri | Algoritmiada 2011, Runda 2 | N/A |
| 1999 | Prod | Cosmin Gheorghe | Stelele Informaticii 2010 | N/A |
| 2000 | ProDiv | Mihai-Alexandru Dusmanu | Infoarena Monthly 2012, Runda 4 | N/A |