ID	题目隐藏标签显示标签	AC / 尝试	难度
4353	P679A Bear and Prime 100 constructive algorithms interactive math *1400	0 / 0	(无)
4220	P710F String Set Queries brute force data structures hashing interactive string suffix structures strings *2400	0 / 0	(无)
4208	P713B Searching Rectangles binary search constructive algorithms interactive *2200	0 / 0	(无)
4141	P727C Guess the Array constructive algorithms interactive math *1400	0 / 0	(无)
4130	P730B Minimum and Maximum constructive algorithms interactive *1800	0 / 0	(无)
4066	P744B Hongcow's Game bitmasks divide and conquer interactive *1900	0 / 0	(无)
4031	P750F New Year and Finding Roots constructive algorithms implementation interactive trees *2800	0 / 0	(无)
4029	P750H New Year and Snowy Grid dfs and similar dsu graphs interactive *3500	0 / 0	(无)
4026	P753C Interactive Bulls and Cows (Hard) brute force constructive algorithms interactive *2500	0 / 0	(无)
4018	P755C PolandBall and Forest dfs and similar dsu graphs interactive trees *1300	0 / 0	(无)
3931	P772E Verifying Kingdom binary search divide and conquer interactive trees *3200	0 / 0	(无)
3861	P788D Finding lines constructive algorithms divide and conquer interactive *3000	0 / 0	(无)
3770	P809B Glad to see you! binary search interactive *2200	0 / 0	(无)
3761	P811D Vladik and Favorite Game constructive algorithms dfs and similar graphs interactive *2100	0 / 0	(无)
3666	P835E The penguin's game binary search constructive algorithms interactive *2400	0 / 0	(无)
3633	P843B Interactive LowerBound brute force interactive probabilities *2000	0 / 0	(无)
3540	P862D Mahmoud and Ehab and the binary string binary search divide and conquer interactive *2000	0 / 0	(无)
3501	P870D Something with XOR Queries brute force interactive probabilities *2000	0 / 0	(无)
3407	P896B Ithea Plays With Chtholly binary search constructive algorithms games greedy interactive *2000	0 / 0	(无)
3308	P916D Jamie and To-do List data structures interactive trees *2200	0 / 0	(无)
3159	P952B A Map of the Cat brute force interactive *1900	0 / 0	(无)
2891	P1007C Guess two numbers binary search interactive *3000	0 / 0	(无)
2878	P1010B Rocket binary search interactive *1800	0 / 0	(无)
2840	P1019B The hat binary search interactive *2000	0 / 0	(无)
2830	P1023E Down or Right constructive algorithms interactive matrices *2100	0 / 0	(无)
2807	P1028G Guess the number dp interactive *3000	0 / 0	(无)
2776	P1033D Divisors interactive math number theory *2000	0 / 0	(无)
2775	P1033E Hidden Bipartite Graph binary search constructive algorithms dfs and similar graphs interactive *2800	0 / 0	(无)
2745	P1039B Subway Pursuit binary search interactive probabilities *2100	0 / 0	(无)
2719	P1044B Intersecting Subtrees dfs and similar interactive trees *1900	0 / 0	(无)
2674	P1056C Pick Heroes greedy implementation interactive sortings *1700	0 / 0	(无)
2647	P1061F Lost Root interactive probabilities *2400	0 / 0	(无)
2638	P1063C Dwarves, Hats and Extrasensory Abilities binary search constructive algorithms geometry interactive *1900	0 / 0	(无)
2568	P1080F Katya and Segments Sets data structures interactive sortings *2400	0 / 0	(无)
2562	P1081F Tricky Interactor constructive algorithms implementation interactive *2600	0 / 0	(无)
2532	P1088D Ehab and another another xor problem bitmasks constructive algorithms implementation interactive *2000	0 / 0	(无)
2497	P1091G New Year and the Factorisation Collaboration interactive math number theory *3200	0 / 0	(无)
2447	P1100D Dasha and Chess constructive algorithms games interactive *2500	0 / 0	(无)
2430	P1103B Game with modulo binary search constructive algorithms interactive *2000	0 / 0	(无)
2374	P1114E Arithmetic Progression binary search interactive number theory probabilities *2200	0 / 0	(无)
2349	P1117E Decypher the String bitmasks chinese remainder theorem constructive algorithms interactive math *2200	0 / 0	(无)
2316	P1129E Legendary Tree binary search interactive trees *3100	0 / 0	(无)
2283	P1137D Cooperative Game constructive algorithms interactive number theory *2400	0 / 0	(无)
2253	P1142E Pink Floyd graphs interactive *3200	0 / 0	(无)
2236	P1145G AI Takeover interactive	0 / 0	(无)
2233	P1146C Tree Diameter bitmasks graphs interactive *1700	0 / 0	(无)
2223	P1147E Rainbow Coins interactive *3000	0 / 0	(无)
2222	P1147F Zigzag Game games interactive *3500	0 / 0	(无)
2189	P1153E Serval and Snake binary search brute force interactive *2200	0 / 0	(无)
2176	P1155E Guess the Root brute force interactive math *2200	0 / 0	(无)
2155	P1158E Strange device binary search interactive math trees *3400	0 / 0	(无)
2126	P1167B Lost Numbers brute force divide and conquer interactive math *1400	0 / 0	(无)
2090	P1174F Ehab and the Big Finale constructive algorithms divide and conquer graphs implementation interactive trees *2400	0 / 0	(无)
2061	P1179E Alesya and Discrete Math divide and conquer interactive *3200	0 / 0	(无)
1904	P1201E1 Knightmare (easy) graphs interactive shortest paths *2900	0 / 0	(无)
1905	P1201E1 Knightmare (easy) graphs interactive shortest paths *2900	0 / 0	(无)
1902	P1201E2 Knightmare (hard) graphs interactive shortest paths *3000	0 / 0	(无)
1903	P1201E2 Knightmare (hard) graphs interactive shortest paths *3000	0 / 0	(无)
1867	P1205C Palindromic Paths implementation interactive *2400	0 / 0	(无)
1857	P1207E XOR Guessing bitmasks interactive math *1900	0 / 0	(无)
1613	P1254C Point Ordering constructive algorithms geometry interactive math *2300	0 / 0	(无)
1555	P1267I Intriguing Selection brute force constructive algorithms implementation interactive sortings *2600	0 / 0	(无)
1541	P1270D Strange Device constructive algorithms interactive math sortings *1900	0 / 0	(无)
1516	P1275F Шардирование постов *special problem binary search interactive	0 / 0	(无)
1482	P1282D Enchanted Artifact constructive algorithms interactive strings *2300	0 / 0	(无)
1459	P1286C1 Madhouse (Easy version) brute force constructive algorithms interactive math *2400	0 / 0	(无)
1458	P1286C2 Madhouse (Hard version) brute force constructive algorithms hashing interactive math *2800	0 / 0	(无)
1443	P1290D Coffee Varieties (hard version) constructive algorithms graphs interactive *3000	0 / 0	(无)
1438	P1291F Coffee Varieties (easy version) graphs interactive *2800	0 / 0	(无)
1433	P1292E Rin and The Unknown Flower constructive algorithms greedy interactive math *3500	0 / 0	(无)
1397	P1299E So Mean interactive math *3400	0 / 0	(无)
1361	P1305D Kuroni and the Celebration constructive algorithms dfs and similar interactive trees *1900	0 / 0	(无)
1220	P1336D Yui and Mahjong Set constructive algorithms interactive *3200	0 / 0	(无)
1203	P1340E Nastya and Bees graphs interactive probabilities *3000	0 / 0	(无)
1132	P1354G Find a Gift binary search interactive probabilities *2600	0 / 0	(无)
1126	P1355F Guess Divisors Count constructive algorithms interactive number theory *2600	0 / 0	(无)
1065	P1363D Guess The Maximums binary search implementation interactive math *2100	0 / 0	(无)
1058	P1364E X-OR bitmasks constructive algorithms divide and conquer interactive probabilities *2700	0 / 0	(无)
1051	P1365G Secure Password bitmasks combinatorics constructive algorithms interactive math *2800	0 / 0	(无)
1031	P1368F Lamps on a Circle games implementation interactive math *2600	0 / 0	(无)
1016	P1370F1 The Hidden Pair (Easy Version) binary search dfs and similar graphs interactive shortest paths trees *2400	0 / 0	(无)
1015	P1370F2 The Hidden Pair (Hard Version) binary search dfs and similar graphs interactive shortest paths trees *2700	0 / 0	(无)
1002	P1372F Omkar and Modes binary search divide and conquer interactive *2700	0 / 0	(无)
982	P1375F Integer Game constructive algorithms games interactive math *2600	0 / 0	(无)
940	P1386A Colors special problem binary search constructive algorithms interactive 2700	0 / 0	(无)
912	P1392E Omkar and Duck bitmasks constructive algorithms interactive math *2100	0 / 0	(无)
856	P1403A The Potion of Great Power special problem 2-sat binary search data structures graphs interactive sortings two pointers 2400	0 / 0	(无)
850	P1404D Game of Pairs constructive algorithms dfs and similar interactive math number theory *2800	0 / 0	(无)
842	P1406E Deleting Numbers interactive math number theory *2600	0 / 0	(无)
839	P1407C Chocolate Bunny constructive algorithms interactive math two pointers *1600	0 / 0	(无)
751	P1423M Milutin's Plums interactive *2800	0 / 0	(无)
742	P1425F Flamingoes of Mystery interactive *1400	0 / 0	(无)
717	P1428H Rotary Laser Lock binary search interactive *3500	0 / 0	(无)
673	P1438F Olha and Igor interactive probabilities trees *3000	0 / 0	(无)
659	P1442F Differentiating Games games interactive *3400	0 / 0	(无)
650	P1444E Finding the Vertex brute force dfs and similar dp interactive trees *3500	0 / 0	(无)
624	P1451E1 Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math *2000	0 / 0	(无)
623	P1451E2 Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math *2300	0 / 0	(无)
558	P1466I The Riddle of the Sphinx binary search data structures data structures interactive *3400	0 / 0	(无)
530	P1470C Strange Shuffle binary search brute force constructive algorithms interactive *2500	0 / 0	(无)

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开发与维护：杨旭龙、王树淳、王国斌、宋文宇
老师：肖飞、关玉蓉、魏银珍、周芬

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