| 4869 | IMO Shortlist 2018 problem C5 | | 1 | | |
| 4870 | IMO Shortlist 2018 problem C6 | | 0 | | |
| 4871 | IMO Shortlist 2018 problem C7 | | 0 | | |
| 4872 | IMO Shortlist 2018 problem G1 | | 9 | | |
| 4873 | IMO Shortlist 2018 problem G2 | | 8 | | |
| 4874 | IMO Shortlist 2018 problem G3 | | 4 | | |
| 4875 | IMO Shortlist 2018 problem G4 | | 3 | | |
| 4876 | IMO Shortlist 2018 problem G5 | | 0 | | |
| 4877 | IMO Shortlist 2018 problem G6 | | 1 | | |
| 4878 | IMO Shortlist 2018 problem G7 | | 1 | | |
| 4879 | IMO Shortlist 2018 problem N1 | | 7 | | |
| 4880 | IMO Shortlist 2018 problem N2 | | 6 | | |
| 4881 | IMO Shortlist 2018 problem N3 | | 2 | | |
| 4882 | IMO Shortlist 2018 problem N4 | | 5 | | |
| 4883 | IMO Shortlist 2018 problem N5 | | 5 | | |
| 4884 | IMO Shortlist 2018 problem N6 | | 2 | | |
| 4885 | IMO Shortlist 2018 problem N7 | | 0 | | |
| 4886 | IMO 2019 zadatak 1 | | 14 | | |
| 4887 | IMO 2019 zadatak 2 | | 4 | | |
| 4888 | IMO 2019 zadatak 3 | | 1 | | |
| 4889 | IMO 2019 zadatak 4 | | 6 | | |
| 4890 | IMO 2019 zadatak 5 | | 2 | | |
| 4891 | IMO 2019 zadatak 6 | | 1 | | |
| 4892 | MEMO 2019 pojedinačno zadatak 1 | | 7 | | |
| 4893 | MEMO 2019 pojedinačno zadatak 2 | | 0 | | |
| 4894 | MEMO 2019 pojedinačno zadatak 3 | | 2 | | |
| 4895 | MEMO 2019 pojedinačno zadatak 4 | | 1 | | |
| 4896 | MEMO 2019 ekipno zadatak 1 | | 1 | | |
| 4897 | MEMO 2019 ekipno zadatak 2 | | 0 | | |
| 4898 | MEMO 2019 ekipno zadatak 3 | | 2 | | |