1774 | IMO Shortlist 1990 problem 4 | | 0 | | |
1775 | IMO Shortlist 1990 problem 5 | | 0 | | |
1776 | IMO Shortlist 1990 problem 6 | | 0 | | |
1777 | IMO Shortlist 1990 problem 7 | | 0 | | |
1778 | IMO Shortlist 1990 problem 8 | | 0 | | |
1779 | IMO Shortlist 1990 problem 9 | | 0 | | |
1780 | IMO Shortlist 1990 problem 10 | | 0 | | |
1781 | IMO Shortlist 1990 problem 11 | | 0 | | |
1782 | IMO Shortlist 1990 problem 12 | | 0 | | |
1783 | IMO Shortlist 1990 problem 13 | | 0 | | |
1784 | IMO Shortlist 1990 problem 14 | | 0 | | |
1785 | IMO Shortlist 1990 problem 15 | | 0 | | |
1786 | IMO Shortlist 1990 problem 16 | | 0 | | |
1787 | IMO Shortlist 1990 problem 17 | | 0 | | |
1788 | IMO Shortlist 1990 problem 18 | | 0 | | |
1789 | IMO Shortlist 1990 problem 19 | | 0 | | |
1790 | IMO Shortlist 1990 problem 20 | | 1 | | |
1791 | IMO Shortlist 1990 problem 21 | | 0 | | |
1792 | IMO Shortlist 1990 problem 22 | | 0 | | |
1793 | IMO Shortlist 1990 problem 23 | | 6 | | |
1794 | IMO Shortlist 1990 problem 24 | | 14 | | |
1795 | IMO Shortlist 1990 problem 25 | | 2 | | |
1796 | IMO Shortlist 1990 problem 26 | | 0 | | |
1797 | IMO Shortlist 1990 problem 27 | | 0 | | |
1798 | IMO Shortlist 1990 problem 28 | | 0 | | |
1799 | IMO Shortlist 1991 problem 1 | | 0 | | |
1800 | IMO Shortlist 1991 problem 2 | | 0 | | |
1801 | IMO Shortlist 1991 problem 3 | | 0 | | |
1802 | IMO Shortlist 1991 problem 4 | | 0 | | |
1803 | IMO Shortlist 1991 problem 5 | | 0 | | |