| ID | 题目 显示标签 隐藏标签 | AC / 尝试 | 难度 | |
|---|---|---|---|---|
| 538 | P1550 [USACO08OCT] Watering Hole G | 0 / 0 | 5 | |
| 539 | P1551 亲戚 | 0 / 0 | 5 | |
| 540 | P1552 [APIO2012] 派遣 | 0 / 0 | 8 | |
| 541 | P1553 数字反转(升级版) | 0 / 0 | 3 | |
| 542 | P1554 [USACO06DEC] 梦中的统计 Dream Counting B | 1 / 1 | 1 | |
| 543 | P1555 [USACO11NOV] 尴尬的数字 Awkward Digits B | 0 / 0 | 5 | |
| 544 | P1556 [USACO12MAR] 幸福的路 Connect the Cows B | 0 / 0 | 6 | |
| 545 | P1557 Kruscal的加法 | 0 / 0 | 6 | |
| 546 | P1558 色板游戏 | 0 / 0 | 6 | |
| 547 | P1559 运动员最佳匹配问题 | 0 / 0 | 7 | |
| 548 | P1560 [USACO5.2] 蜗牛的旅行Snail Trails | 0 / 0 | 7 | |
| 549 | P1561 [USACO12JAN] Mountain Climbing S | 0 / 0 | 8 | |
| 550 | P1562 还是 N 皇后 | 0 / 0 | 5 | |
| 551 | P1563 [NOIP 2016 提高组] 玩具谜题 | 0 / 0 | 3 | |
| 552 | P1564 膜拜 | 0 / 0 | 5 | |
| 553 | P1565 牛宫 | 0 / 0 | 7 | |
| 554 | P1566 加等式 | 0 / 0 | 5 | |
| 555 | P1567 统计天数 | 0 / 0 | 1 | |
| 556 | P1568 赛跑 | 0 / 0 | 3 | |
| 557 | P1569 [USACO ?] Generic Cow Protests [Source Request] | 0 / 0 | 3 |