标签云
| # | 标题 | 解出人数 | |
|---|---|---|---|
| 1979 |
|
9.9 | |
| 1978 |
|
9.3 | x 2 |
| 1977 |
|
9.4 | x 2 |
| 1976 | Common Subsequence | 5.0 | x 22 |
| 1975 |
|
9.9 | x 1 |
| 1974 |
|
9.6 | x 2 |
| 1973 |
|
4.5 | x 11 |
| 1972 |
|
6.7 | x 5 |
| 1971 |
|
9.9 |