ID	题目显示标签隐藏标签	AC / 尝试	难度
1428	P1609F Interesting Sections data structures divide and conquer meet-in-the-middle two pointers *2800	0 / 0	CTSC
1427	P1609G A Stroll Around the Matrix data structures greedy math *3000	0 / 0	CTSC
1419	P1610G AmShZ Wins a Bet data structures greedy hashing *3300	0 / 0	CTSC
1418	P1610H Squid Game data structures dfs and similar greedy trees *3100	0 / 0	CTSC
1410	P1611F ATM and Students binary search data structures two pointers *1800	0 / 0	普及
1409	P1611G Robot and Candies data structures graph matchings greedy *2500	0 / 0	NOI
1390	P1614E Divan and a Cottage binary search data structures *2600	0 / 0	CTSC
1385	P1615E Purple Crayon data structures dfs and similar games graphs greedy math sortings trees *2400	0 / 0	NOI
1382	P1615H Reindeer Games binary search constructive algorithms data structures divide and conquer flows graphs shortest paths *3000	0 / 0	CTSC
1377	P1616E Lexicographically Small Enough brute force data structures greedy strings *2200	0 / 0	省选
1374	P1616H Keep XOR Low bitmasks combinatorics data structures divide and conquer dp math *3000	0 / 0	CTSC
1361	P1618G Trader Problem data structures dsu greedy sortings *2200	0 / 0	省选
1356	P1619E MEX and Increments constructive algorithms data structures dp greedy implementation math sortings *1700	0 / 0	普及
1353	P1619H Permutation and Queries brute force data structures divide and conquer two pointers *2400	0 / 0	NOI
1348	P1620E Replace the Numbers constructive algorithms data structures dsu implementation *1900	0 / 0	普及
1344	P1621B Integers Shop data structures greedy implementation *1500	0 / 0	普及
1341	P1621E New School binary search data structures dp greedy implementation sortings *2300	0 / 0	省选
1340	P1621F Strange Instructions data structures greedy implementation *2700	0 / 0	CTSC
1339	P1621G Weighted Increasing Subsequences data structures dp math *3200	0 / 0	CTSC
1337	P1621I Two Sequences data structures hashing string suffix structures *3500	0 / 0	CTSC
1335	P1622B Berland Music data structures greedy math sortings *1000	0 / 0	普及-
1326	P1623E Middle Duplication data structures dfs and similar greedy strings trees *2500	0 / 0	NOI
1315	P1625D Binary Spiders bitmasks data structures implementation math sortings trees *2300	0 / 0	省选
1314	P1625E1 Cats on the Upgrade (easy version) brute force data structures dfs and similar divide and conquer dp graphs trees *2500	0 / 0	NOI
1313	P1625E2 Cats on the Upgrade (hard version) binary search data structures dfs and similar graphs trees *2800	0 / 0	CTSC
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
1295	P1628E Groceries in Meteor Town binary search data structures dsu trees *3100	0 / 0	CTSC
1294	P1628F Spaceship Crisis Management binary search data structures geometry sortings *3500	0 / 0	CTSC
1290	P1630B Range and Partition binary search constructive algorithms data structures greedy two pointers *1800	0 / 0	普及
1280	P1632D New Year Concert binary search data structures greedy math number theory two pointers *2000	0 / 0	提高
1279	P1632E1 Distance Tree (easy version) binary search data structures dfs and similar graphs shortest paths trees *2400	0 / 0	NOI
1273	P1633E Spanning Tree Queries binary search data structures dfs and similar dsu graphs greedy math sortings trees *2400	0 / 0	NOI
1272	P1633F Perfect Matching data structures divide and conquer interactive trees *2800	0 / 0	CTSC
1267	P1634E Fair Share constructive algorithms data structures dfs and similar graph matchings graphs *2400	0 / 0	NOI
1266	P1634F Fibonacci Additions brute force data structures hashing implementation math *2700	0 / 0	CTSC
1260	P1635F Closest Pair data structures greedy *2800	0 / 0	CTSC
1252	P1637H Minimize Inversions Number data structures greedy math sortings *3500	0 / 0	CTSC
1250	P1638B Odd Swap Sort data structures math sortings *1100	0 / 0	普及-
1249	P1638C Inversion Graph data structures dsu graphs math *1300	0 / 0	普及-
1248	P1638D Big Brush constructive algorithms data structures greedy implementation *2000	0 / 0	提高
1247	P1638E Colorful Operations brute force data structures implementation *2400	0 / 0	NOI
1246	P1638F Two Posters brute force data structures greedy two pointers *3200	0 / 0	CTSC
1232	P1641C Anonymity Is Important binary search brute force data structures dsu greedy sortings *2200	0 / 0	省选
1223	P1644D Cross Coloring data structures implementation math *1700	0 / 0	普及
1222	P1644E Expand the Path brute force combinatorics data structures implementation math *1900	0 / 0	普及
1210	P1647E Madoka and the Sixth-graders data structures dfs and similar greedy *2500	0 / 0	NOI
1208	P1648A Weird Sum combinatorics data structures geometry math matrices sortings *1400	0 / 0	普及-
1207	P1648B Integral Array brute force constructive algorithms data structures math *1800	0 / 0	普及
1206	P1648C Tyler and Strings combinatorics data structures implementation *1900	0 / 0	普及
1205	P1648D Serious Business data structures divide and conquer dp implementation shortest paths *2800	0 / 0	CTSC
1204	P1648E Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees *3200	0 / 0	CTSC
1203	P1648F Two Avenues data structures dfs and similar graphs *3500	0 / 0	CTSC
1196	P1650E Rescheduling the Exam binary search data structures greedy implementation math sortings *1900	0 / 0	普及
1194	P1650G Counting Shortcuts data structures dfs and similar dp graphs shortest paths *2100	0 / 0	提高
1191	P1651C Fault-tolerant Network brute force data structures implementation *1500	0 / 0	普及
1190	P1651D Nearest Excluded Points binary search data structures dfs and similar graphs shortest paths *1900	0 / 0	普及
1188	P1651F Tower Defense binary search brute force data structures *3000	0 / 0	CTSC
1185	P1654C Alice and the Cake data structures greedy implementation sortings *1400	0 / 0	普及-
1183	P1654E Arithmetic Operations brute force data structures graphs math *2300	0 / 0	省选
1182	P1654F Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings *2800	0 / 0	CTSC
1181	P1654G Snowy Mountain data structures dfs and similar graphs greedy shortest paths trees *2900	0 / 0	CTSC
1178	P1656B Subtract Operation data structures greedy math two pointers *1100	0 / 0	普及-
1172	P1656H Equal LCM Subsets data structures math number theory *3200	0 / 0	CTSC
1160	P1658D2 388535 (Hard Version) bitmasks brute force data structures math *2300	0 / 0	省选
1159	P1658E Gojou and Matrix Game data structures dp games hashing implementation math number theory sortings *2500	0 / 0	NOI
1154	P1659D Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers *1900	0 / 0	普及
1145	P1660F2 Promising String (hard version) data structures implementation math strings *2100	0 / 0	提高
1141	P1661D Progressions Covering data structures greedy *1900	0 / 0	普及
1140	P1661E Narrow Components brute force data structures dp dsu math trees *2500	0 / 0	NOI
1133	P1662F Antennas data structures dfs and similar graphs graphs implementation implementation shortest paths shortest paths	0 / 0	暂无评定
1127	P1662L Il Derby della Madonnina data structures dp math	0 / 0	暂无评定
1111	P1665E MinimizOR bitmasks brute force data structures divide and conquer greedy implementation two pointers *2500	0 / 0	NOI
1097	P1667B Optimal Partition data structures dp *2100	0 / 0	提高
1086	P1669E 2-Letter Strings data structures math strings *1200	0 / 0	普及-
1085	P1669F Eating Candies binary search data structures greedy two pointers *1100	0 / 0	普及-
1080	P1670C Where is the Pizza? data structures dfs and similar dsu graphs implementation math *1400	0 / 0	普及-
1062	P1672H Zigu Zagu constructive algorithms data structures greedy *2700	0 / 0	CTSC
1061	P1672I PermutationForces data structures greedy *3000	0 / 0	CTSC
1049	P1674F Desktop Rearrangement data structures greedy implementation *1800	0 / 0	普及
1035	P1676F Longest Strike data structures greedy implementation sortings two pointers *1300	0 / 0	普及-
1032	P1676H2 Maximum Crossings (Hard Version) data structures divide and conquer sortings *1500	0 / 0	普及
1031	P1677A Tokitsukaze and Strange Inequality brute force data structures dp *1600	0 / 0	普及
1030	P1677B Tokitsukaze and Meeting data structures implementation math *1700	0 / 0	普及
1027	P1677E Tokitsukaze and Beautiful Subsegments data structures *2900	0 / 0	CTSC
1021	P1679B Stone Age Problem data structures implementation *1200	0 / 0	普及-
1020	P1679C Rooks Defenders data structures implementation *1400	0 / 0	普及-
1006	P1681E Labyrinth Adventures data structures dp matrices shortest paths *2600	0 / 0	CTSC
1005	P1681F Unique Occurrences data structures dfs and similar divide and conquer dp dsu trees *2300	0 / 0	省选
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
985	P1685E The Ultimate LIS Problem data structures greedy *3500	0 / 0	CTSC
980	P1687C Sanae and Giant Robot binary search brute force data structures dsu greedy sortings *2500	0 / 0	NOI
979	P1687D Cute number binary search brute force data structures dsu implementation math *2900	0 / 0	CTSC
972	P1689B Mystic Permutation data structures greedy *900	0 / 0	普及-
970	P1689D Lena and Matrix data structures dp geometry shortest paths *1900	0 / 0	普及
966	P1690C Restoring the Duration of Tasks data structures greedy implementation *800	0 / 0	普及-
962	P1690G Count the Trains binary search data structures greedy sortings *2000	0 / 0	提高
958	P1691D Max GEQ Sum binary search constructive algorithms data structures divide and conquer implementation two pointers *1800	0 / 0	普及

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