1561 | IMO Shortlist 1981 problem 4 | | 1 | | |
1562 | IMO Shortlist 1981 problem 5 | | 0 | | |
1563 | IMO Shortlist 1981 problem 6 | | 0 | | |
1564 | IMO Shortlist 1981 problem 7 | | 1 | | |
1565 | IMO Shortlist 1981 problem 8 | | 4 | | |
1566 | IMO Shortlist 1981 problem 9 | | 0 | | |
1567 | IMO Shortlist 1981 problem 10 | | 0 | | |
1568 | IMO Shortlist 1981 problem 11 | | 0 | | |
1569 | IMO Shortlist 1981 problem 12 | | 2 | | |
1570 | IMO Shortlist 1981 problem 13 | | 1 | | |
1571 | IMO Shortlist 1981 problem 14 | | 0 | | |
1572 | IMO Shortlist 1981 problem 15 | | 2 | | |
1573 | IMO Shortlist 1981 problem 16 | | 0 | | |
1574 | IMO Shortlist 1981 problem 17 | | 1 | | |
1575 | IMO Shortlist 1981 problem 18 | | 0 | | |
1576 | IMO Shortlist 1981 problem 19 | | 0 | | |
1577 | IMO Shortlist 1982 problem 1 | | 3 | | |
1578 | IMO Shortlist 1982 problem 2 | | 0 | | |
1579 | IMO Shortlist 1982 problem 3 | | 0 | | |
1580 | IMO Shortlist 1982 problem 4 | | 0 | | |
1581 | IMO Shortlist 1982 problem 5 | | 0 | | |
1582 | IMO Shortlist 1982 problem 6 | | 0 | | |
1583 | IMO Shortlist 1982 problem 7 | | 0 | | |
1584 | IMO Shortlist 1982 problem 8 | | 0 | | |
1585 | IMO Shortlist 1982 problem 9 | | 0 | | |
1586 | IMO Shortlist 1982 problem 10 | | 0 | | |
1587 | IMO Shortlist 1982 problem 11 | | 0 | | |
1588 | IMO Shortlist 1982 problem 12 | | 0 | | |
1589 | IMO Shortlist 1982 problem 13 | | 0 | | |
1590 | IMO Shortlist 1982 problem 14 | | 0 | | |