 1741 | 독서대회 | USACO NOV07 | 24 | 43 | 55.81% |
| 3677 | 성적 | USACO January 2007 Gold 3번 | 0 | 5 | 0.00% |
 3640 | 잡기놀이(catch that cow) | USACO 2007 US Open Silver | 35 | 80 | 43.75% |
 1424 | cow sorting | USACO 2007 February Gold | 35 | 276 | 12.68% |
| 2126 | 선탠 | USACO 2007 November Gold | 48 | 294 | 16.33% |
 2109 | 꿀꿀이 축제(Festival) | usaco 2007 February silver | 356 | 847 | 42.03% |
| 1494 | 소들의 장애물 넘기 | USACO 2007, poj 3615 | 28 | 72 | 38.89% |
| 1452 | 팰린드롬 | USACO 2007 Open Gold, poj 3280 | 8 | 34 | 23.53% |
| 1090 | ID 만들기 | USACO 2007,poj 3280 | 23 | 73 | 31.51% |
| 1079 | jams | USACO 2007 March Silver, poj 3272 | 7 | 26 | 26.92% |
 1020 | buildings | USACO 2007 Open Silver, poj 3277 | 126 | 799 | 15.77% |
 7082 | 책장2 | USACO December 2007 Bronze 2번 | 33 | 115 | 28.70% |
 2287 | 맛있는 걸 좋아하는 소들 | USACO December 2007 Gold | 221 | 862 | 25.64% |
| 1542 | 블록퍼즐 | USACO MAR09 Gold Cleaning Up (Paul Christiano, 2007) | 1 | 1 | 100.00% |
| 1687 | best cow line | USACO November 2007 Contest Silver 3번 | 5 | 5 | 100.00% |
