ID	题目显示标签隐藏标签	AC / 尝试	难度
2124	P1475D Cleaning the Phone binary search dp sortings two pointers *1800	0 / 0	普及
2114	P1476G Minimum Difference data structures hashing sortings two pointers *3100	0 / 0	CTSC
2065	P1487E Cheap Dinner brute force data structures graphs greedy implementation sortings two pointers *2000	0 / 0	提高
2034	P1492C Maximum width binary search data structures dp greedy two pointers *1500	0 / 0	普及
2028	P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	0 / 0	提高
2027	P1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	CTSC
2023	P1494C 1D Sokoban binary search dp greedy implementation two pointers *1900	0 / 0	普及
2006	P1497E1 Square-Free Division (easy version) data structures dp greedy math number theory two pointers *1700	0 / 0	普及
2005	P1497E2 Square-Free Division (hard version) data structures dp greedy math number theory two pointers *2500	0 / 0	NOI
1989	P1500C Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers *2600	0 / 0	CTSC
1988	P1500D Tiles for Bathroom data structures sortings two pointers *2900	0 / 0	CTSC
1981	P1503C Travelling Salesman Problem binary search data structures dp greedy shortest paths sortings two pointers *2200	0 / 0	省选
1980	P1503D Flip the Cards 2-sat constructive algorithms data structures greedy sortings two pointers *2600	0 / 0	CTSC
1959	P1508A Binary Literature constructive algorithms greedy implementation strings two pointers *1900	0 / 0	普及
1933	P1511G Chips on a Board bitmasks brute force data structures dp games two pointers *2700	0 / 0	CTSC
1915	P1514E Baby Ehab's Hyper Apartment binary search graphs interactive sortings two pointers *2700	0 / 0	CTSC
1911	P1515D Phoenix and Socks greedy sortings two pointers *1500	0 / 0	普及
1902	P1516D Cut binary search data structures dp graphs number theory two pointers *2100	0 / 0	提高
1896	P1517E Group Photo binary search data structures implementation two pointers *2500	0 / 0	NOI
1889	P1519D Maximum Sum of Products brute force dp implementation math two pointers *1600	0 / 0	普及
1861	P1525E Assimilation IV combinatorics dp math probabilities two pointers *2100	0 / 0	提高
1797	P1535C Unstable String binary search dp greedy implementation strings two pointers *1400	0 / 0	普及-
1783	P1537E1 Erase and Extend (Easy Version) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers *1600	0 / 0	普及
1782	P1537E2 Erase and Extend (Hard Version) binary search data structures greedy hashing string suffix structures strings two pointers *2200	0 / 0	省选
1778	P1538C Number of Pairs binary search data structures math two pointers *1300	0 / 0	普及-
1770	P1539D PriceFixed binary search greedy implementation sortings two pointers *1600	0 / 0	普及
1736	P1547C Pair Programming greedy two pointers *1100	0 / 0	普及-
1734	P1547E Air Conditioners data structures dp implementation shortest paths sortings two pointers *1500	0 / 0	普及
1733	P1547F Array Stabilization (GCD version) binary search brute force data structures divide and conquer number theory two pointers *1900	0 / 0	普及
1730	P1548B Integers Have Friends binary search data structures divide and conquer math number theory two pointers *1800	0 / 0	普及
1720	P1550D Excellent Arrays binary search combinatorics constructive algorithms implementation math sortings two pointers *2300	0 / 0	省选
1719	P1550E Stringforces binary search bitmasks brute force dp strings two pointers *2500	0 / 0	NOI
1697	P1553D Backspace dp greedy strings two pointers *1500	0 / 0	普及
1682	P1555E Boring Segments data structures sortings trees two pointers *2100	0 / 0	提高
1674	P1556G Gates to Another World bitmasks data structures dsu two pointers *3300	0 / 0	CTSC
1666	P1558B Up the Strip brute force dp math number theory two pointers *1900	0 / 0	普及
1657	P1559D2 Mocha and Diana (Hard Version) brute force constructive algorithms dfs and similar dsu graphs greedy trees two pointers *2500	0 / 0	NOI
1634	P1566D2 Seating Arrangements (hard version) data structures greedy implementation sortings two pointers *1600	0 / 0	普及
1620	P1569D Inconvenient Pairs binary search data structures implementation sortings two pointers *1900	0 / 0	普及
1606	P1572B Xor of 3 brute force constructive algorithms greedy two pointers *2500	0 / 0	NOI
1548	P1582C Grandma Capa Knits a Scarf brute force data structures greedy strings two pointers *1200	0 / 0	普及-
1544	P1582F2 Korney Korneevich and XOR (hard version) binary search brute force dp greedy two pointers *2400	0 / 0	NOI
1519	P1588F Jumping Through the Array binary search data structures graphs two pointers *3500	0 / 0	CTSC
1514	P1592E Bored Bakry bitmasks greedy math two pointers *2400	0 / 0	NOI
1494	P1598C Delete Two Elements data structures dp implementation math two pointers *1200	0 / 0	普及-
1489	P1599A Weights constructive algorithms greedy two pointers *2600	0 / 0	CTSC
1479	P1600E Array Game games greedy two pointers *1900	0 / 0	普及
1475	P1601B Frog Traveler data structures dfs and similar dp graphs shortest paths two pointers *1900	0 / 0	普及
1456	P1605E Array Equalizer binary search greedy implementation math number theory sortings two pointers *2400	0 / 0	NOI
1441	P1607H Banquet Preparations 2 greedy sortings two pointers *2200	0 / 0	省选
1438	P1608C Game Master data structures dfs and similar dp graphs greedy two pointers *1700	0 / 0	普及
1431	P1609C Complex Market Analysis binary search dp implementation number theory schedules two pointers *1400	0 / 0	普及-
1428	P1609F Interesting Sections data structures divide and conquer meet-in-the-middle two pointers *2800	0 / 0	CTSC
1424	P1610B Kalindrome Array greedy two pointers *1100	0 / 0	普及-
1412	P1611E1 Escape The Maze (easy version) dfs and similar greedy shortest paths trees two pointers *1700	0 / 0	普及
1410	P1611F ATM and Students binary search data structures two pointers *1800	0 / 0	普及
1353	P1619H Permutation and Queries brute force data structures divide and conquer two pointers *2400	0 / 0	NOI
1333	P1622D Shuffle combinatorics math two pointers *2000	0 / 0	提高
1310	P1626C Monsters And Spells binary search data structures dp greedy implementation math two pointers *1700	0 / 0	普及
1302	P1627E Not Escaping data structures dp implementation shortest paths two pointers *2200	0 / 0	省选
1300	P1628A Meximum Array binary search constructive algorithms greedy implementation math two pointers *1400	0 / 0	普及-
1290	P1630B Range and Partition binary search constructive algorithms data structures greedy two pointers *1800	0 / 0	普及
1289	P1630C Paint the Middle dp greedy sortings two pointers *2200	0 / 0	省选
1280	P1632D New Year Concert binary search data structures greedy math number theory two pointers *2000	0 / 0	提高
1246	P1638F Two Posters brute force data structures greedy two pointers *3200	0 / 0	CTSC
1231	P1641D Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers *2700	0 / 0	CTSC
1219	P1646B Quality vs Quantity brute force constructive algorithms greedy sortings two pointers *800	0 / 0	普及-
1178	P1656B Subtract Operation data structures greedy math two pointers *1100	0 / 0	普及-
1154	P1659D Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers *1900	0 / 0	普及
1148	P1660D Maximum Product Strikes Back brute force implementation math two pointers *1600	0 / 0	普及
1111	P1665E MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers *2500	0 / 0	NOI
1085	P1669F Eating Candies binary search data structures greedy two pointers *1100	0 / 0	普及-
1067	P1672D Cyclic Rotation constructive algorithms greedy implementation two pointers *1700	0 / 0	普及
1035	P1676F Longest Strike data structures greedy implementation sortings two pointers *1300	0 / 0	普及-
1014	P1680C Binary String binary search greedy strings two pointers *1600	0 / 0	普及
999	P1682F MCMF? data structures flows graphs greedy sortings two pointers *2700	0 / 0	CTSC
994	P1684E MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers *2100	0 / 0	提高
993	P1684F Diverse Segments data structures two pointers *2600	0 / 0	CTSC
973	P1689A Lex String brute force greedy implementation sortings two pointers *800	0 / 0	普及-
965	P1690D Black and White Stripe implementation two pointers *1000	0 / 0	普及-
964	P1690E Price Maximization binary search greedy math two pointers *1500	0 / 0	普及
960	P1691B Shoe Shuffling constructive algorithms greedy implementation two pointers *1000	0 / 0	普及-
958	P1691D Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers *1800	0 / 0	普及
951	P1692E Binary Deque binary search implementation two pointers *1200	0 / 0	普及-
949	P1692G 2^Sort data structures dp sortings two pointers *1400	0 / 0	普及-
942	P1693F I Might Be Wrong binary search greedy two pointers *3400	0 / 0	CTSC
926	P1696H Maximum Product? brute force combinatorics dp greedy implementation math two pointers *3500	0 / 0	CTSC
923	P1697C awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers *1400	0 / 0	普及-
915	P1698E PermutationForces II brute force combinatorics greedy sortings trees two pointers *2300	0 / 0	省选
908	P1699E Three Days Grace data structures dp greedy math number theory two pointers *2600	0 / 0	CTSC
899	P1701C Schedule Management binary search greedy implementation two pointers *1400	0 / 0	普及-
898	P1701D Permutation Restoration binary search data structures greedy math sortings two pointers *1900	0 / 0	普及
861	P1706D2 Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers *2400	0 / 0	NOI
834	P1712E1 LCM Sum (easy version) binary search brute force combinatorics math number theory two pointers *2300	0 / 0	省选
833	P1712E2 LCM Sum (hard version) brute force data structures math number theory two pointers *2500	0 / 0	NOI
791	P1719C Fighting Tournament binary search data structures implementation two pointers *1400	0 / 0	普及-
787	P1720D1 Xor-Subsequence (easy version) bitmasks brute force dp strings trees two pointers *1800	0 / 0	普及
782	P1721C Min-Max Array Transformation binary search greedy two pointers *1400	0 / 0	普及-
769	P1725C Circular Mirror binary search combinatorics geometry math two pointers *2000	0 / 0	提高
747	P1728D Letter Picking constructive algorithms dp games two pointers *1800	0 / 0	普及

根据当前过滤条件随机选择一道题

状态

开发

开源
API

支持

2021-2023 莱芜一中信息学奥赛在线评测系统 LaiWu No.1 Middle School Online Judge System
Powered By Loi62-Hywel
鲁ICP备2022033691号
Worker 0, 41ms
Powered by Hydro v4.13.4 Community

分类

动态规划

搜索

计算几何

贪心

树结构

图结构

数论

模拟

数据结构

博弈论

字符串

组合数学

线性代数

高精度

递推

概率论

NPC

其他

状态

开发

支持

分类

状态

开发

支持

还没有账户？

登录