标签云
| # | 标题 | 解出人数 | |
|---|---|---|---|
| 1931 | String Equations | 8.6 | x 3 |
| 1930 |
|
4.4 | x 13 |
| 1929 |
|
2.3 | x 73 |
| 1928 |
|
2.8 | x 142 |
| 1927 |
|
2.0 | x 113 |
| 1926 |
|
9.9 | x 1 |
| 1925 |
|
8.3 | x 5 |
| 1924 |
|
4.4 | x 24 |
| 1923 |
|
9.7 | x 1 |
| 1922 |
|
6.6 | x 9 |
| 1921 |
|
3.6 | x 74 |
| 1920 |
|
9.9 |