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Pick a problem randomly based on the current filter.
| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 612 | T1533 「一本通 3.7 练习 5」相框 | 0 / 0 | 3 | |
| 638 | T1559 「一本通 4.4 练习 4」跳跳棋 | 0 / 0 | 6 | |
| 1158 | T1587 「一本通 5.3 例 3」Windy 数 | 0 / 0 | 3 | |
| 1210 | T1629 「一本通 6.3 练习 2」聪明的燕姿 | 1 / 3 | 5 | |
| 759 | USACO134 Prime Cryptarithm | 0 / 0 | 2 | |
| 760 | USACO141 Packing Rectangles | 0 / 0 | 2 | |
| 761 | USACO142 The Clocks | 0 / 0 | 2 | |
| 762 | USACO143 Arithmetic Progressions | 0 / 0 | 2 | |
| 763 | USACO144 Mother's Milk | 4 / 15 | 2 | |
| 768 | USACO211 The Castle | 0 / 0 | 2 | |
| 771 | USACO214 Healthy Holsteins | 0 / 0 | 2 | |
| 783 | USACO242 Overfencing | 0 / 0 | 2 | |
| 796 | USACO324 Feed Ratios | 0 / 0 | 2 | |
| 797 | USACO325 Magic Squares | 0 / 0 | 2 | |
| 814 | USACO412 Fence Rails | 0 / 0 | 3 | |
| 831 | USACO521 Snail Trails | 0 / 0 | 3 | |
| 841 | USACO544 Betsy's Tour | 0 / 0 | 3 | |
| 1513 | Y1000 最大回撤 | 5 / 41 | 3 | |
| 3296 | abc414c Palindromic in Both Bases | 1 / 1 | 3 | |
| 3295 | abc416C Concat | 3 / 6 | 2 | |
| 3584 | abc450b Split Ticketing | 4 / 17 | 2 | |
| 3585 | abc450c Puddles | 1 / 1 | 3 | |
| 3611 | abc455b Spiral Galaxy | 0 / 0 | 2 | |
| 3615 | abc456b 456 | 4 / 12 | 2 | |
| 3616 | abc456c Not Adjacent | 0 / 0 | 2 | |
| 3653 | abc460d Repeatedly Repainting | 1 / 1 | 3 |
Pick a problem randomly based on the current filter.
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