ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1066 codeforces#P1980A   Problem Generator 0 / 0 (无)
685 codeforces#P1982D   Beauty of the mountains 0 / 0 (无)
547 codeforces#P1995D   Cases 0 / 0 (无)
628 codeforces#P1997F   Chips on a Line 0 / 0 (无)
1271 codeforces#P1999G1   Ruler (easy version) 0 / 0 (无)
1272 codeforces#P1999G2   Ruler (hard version) 0 / 0 (无)
1077 codeforces#P2008D   Sakurako's Hobby 0 / 0 (无)
1021 codeforces#P2008G   Sakurako's Task 0 / 0 (无)
1078 codeforces#P2009F   Firefly's Queries 0 / 0 (无)
1138 codeforces#P2009G1   Yunli's Subarray Queries (easy version) 0 / 0 (无)
1139 codeforces#P2009G2   Yunli's Subarray Queries (hard version) 0 / 0 (无)
657 luogu#P2017   [USACO09DEC] Dizzy Cows G 0 / 0 (无)
749 bzoj#P2060   [Usaco2010 Nov]Visiting Cows 拜访奶牛 0 / 0 (无)
700 bzoj#P2273   [Usaco2011 Feb]The Lost Cows 0 / 0 (无)
952 bzoj#P2530   [POI2011] Party 0 / 0 (无)
1045 bzoj#P2557   [Poi2011] Programming Contest 0 / 0 (无)
788 bzoj#P2588   Spoj 10628. Count on a tree 0 / 0 (无)
786 bzoj#P2589   Spoj 10707 Count on a tree II 0 / 0 (无)
640 bzoj#P2591   [Usaco 2012 Feb]Nearby Cows 0 / 0 (无)
637 bzoj#P2673   [Wf2011] Chips Challenge 0 / 0 (无)
783 luogu#P2742   [USACO5.1] 圈奶牛Fencing the Cows /【模板】二维凸包 0 / 0 (无)
659 luogu#P2837   [USACO08FEB] Dining Cows B 0 / 0 (无)
692 luogu#P2862   [USACO06JAN] Corral the Cows G 0 / 0 (无)
660 luogu#P2868   [USACO07DEC] Sightseeing Cows G 0 / 0 (无)
693 luogu#P2881   [USACO07MAR] Ranking the Cows G 0 / 0 (无)
658 luogu#P2909   [USACO08OPEN] Cow Cars S 0 / 0 (无)
694 luogu#P2915   [USACO08NOV] Mixed Up Cows G 0 / 0 (无)
691 luogu#P2981   [USACO10FEB] Cows on Ice G 0 / 0 (无)
650 luogu#P2996   [USACO10NOV] Visiting Cows G 0 / 0 (无)
688 luogu#P3013   [USACO11FEB] The Lost Cows G 0 / 0 (无)
675 bzoj#P3016   [Usaco2012 Nov]Clumsy Cows 0 / 0 (无)
689 luogu#P3035   [USACO11DEC] Umbrellas for Cows S 0 / 0 (无)
652 luogu#P3047   [USACO12FEB] Nearby Cows G 0 / 0 (无)
705 luogu#P3052   [USACO12MAR] Cows in a Skyscraper G 0 / 0 (无)
653 luogu#P3054   [USACO12OPEN] Running Laps S 0 / 0 (无)
654 luogu#P3056   [USACO12NOV] Clumsy Cows S 0 / 0 (无)
480 loj#P3084   「GXOI / GZOI2019」宝牌一大堆 0 / 0 (无)
656 luogu#P3088   [USACO13NOV] Crowded Cows S 0 / 0 (无)
831 bzoj#P3092   [FDU2012校赛] A Famous King’s Trip 0 / 0 (无)
655 luogu#P3106   [USACO14OPEN] Dueling GPSs S 0 / 0 (无)
925 luogu#P3123   [USACO15OPEN] Bessie Goes Moo S 0 / 0 (无)
651 luogu#P3132   [USACO16JAN] Angry Cows G 0 / 0 (无)
636 bzoj#P3146   [Feyat Cup1.5]Cir 0 / 0 (无)
435 loj#P3208   「CSP-S 2019」格雷码 0 / 0 (无)
430 loj#P3209   「CSP-S 2019」括号树 0 / 0 (无)
447 loj#P3210   「CSP-S 2019」树上的数 0 / 0 (无)
460 loj#P3211   「CSP-S 2019」Emiya 家今天的饭 0 / 0 (无)
454 loj#P3212   「CSP-S 2019」划分 0 / 0 (无)
453 loj#P3213   「CSP-S 2019」树的重心 0 / 0 (无)
674 bzoj#P3314   [Usaco2013 Nov] Crowded Cows 0 / 0 (无)

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手气不错

根据当前过滤条件随机选择一道题