ID	题目显示标签隐藏标签	AC / 尝试	难度
3706	P1166F Vicky's Delivery Service data structures dsu graphs hashing *2400	0 / 0	NOI
3662	P1175F The Number of Subpermutations brute force data structures divide and conquer hashing math *2500	0 / 0	NOI
3627	P1182D Complete Mirror constructive algorithms dfs and similar dp hashing implementation trees *2400	0 / 0	NOI
3519	P1200E Compress Words brute force hashing implementation string suffix structures strings *2000	0 / 0	提高
3477	P1207G Indie Album data structures dfs and similar hashing string suffix structures strings trees *2700	0 / 0	CTSC
3430	P1214D Treasure Island dfs and similar dp flows hashing *1900	0 / 0	普及
3376	P1223F Stack Exterminable Arrays data structures divide and conquer dp hashing *2600	0 / 0	CTSC
3370	P1225D Power Products hashing math number theory *1800	0 / 0	普及
3354	P1228D Complete Tripartite brute force constructive algorithms graphs hashing implementation *1900	0 / 0	普及
3251	P1252F Regular Forestation hashing trees *2400	0 / 0	NOI
3218	P1257F Make Them Similar bitmasks brute force hashing meet-in-the-middle *2400	0 / 0	NOI
3137	P1277D Let's Play the Words? data structures hashing implementation math *1900	0 / 0	普及
3101	P1284D New Year and Conference binary search data structures hashing sortings *2100	0 / 0	提高
3088	P1286C2 Madhouse (Hard version) brute force constructive algorithms hashing interactive math *2800	0 / 0	CTSC
2955	P1313E Concatenation with intersection data structures hashing strings two pointers *2700	0 / 0	CTSC
2942	P1320D Reachable Strings data structures hashing strings *2500	0 / 0	NOI
2935	P1322C Instant Noodles graphs hashing math number theory *2300	0 / 0	省选
2914	P1326D1 Prefix-Suffix Palindrome (Easy version) hashing string suffix structures strings *1500	0 / 0	普及
2913	P1326D2 Prefix-Suffix Palindrome (Hard version) binary search greedy hashing string suffix structures strings *1800	0 / 0	普及
2832	P1340F Nastya and CBS brute force data structures hashing *3300	0 / 0	CTSC
2710	P1360F Spy-string bitmasks brute force constructive algorithms dp hashing strings *1700	0 / 0	普及
2526	P1393E1 Twilight and Ancient Scroll (easier version) dp hashing implementation string suffix structures strings *2800	0 / 0	CTSC
2525	P1393E2 Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers *3200	0 / 0	CTSC
2523	P1394B Boboniu Walks on Graph brute force dfs and similar graphs hashing *2300	0 / 0	省选
2411	P1418G Three Occurrences data structures divide and conquer hashing two pointers *2500	0 / 0	NOI
2249	P1451C String Equality dp greedy hashing implementation strings *1400	0 / 0	普及-
2183	P1466G Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings *2600	0 / 0	CTSC
2170	P1468F Full Turn geometry hashing number theory *1700	0 / 0	普及
2157	P1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	NOI
2154	P1470B Strange Definition bitmasks graphs hashing math number theory *1900	0 / 0	普及
2116	P1476E Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings *2300	0 / 0	省选
2114	P1476G Minimum Difference data structures hashing sortings two pointers *3100	0 / 0	CTSC
2028	P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	0 / 0	提高
2021	P1494E A-Z Graph constructive algorithms data structures graphs hashing *2400	0 / 0	NOI
1991	P1500A Going Home brute force hashing implementation math *1800	0 / 0	普及
1883	P1520D Same Differences data structures hashing math *1200	0 / 0	普及-
1849	P1527C Sequence Pair Weight hashing implementation math *1600	0 / 0	普及
1815	P1533D String Searching *special problem hashing	0 / 0	暂无评定
1794	P1535F String Distance binary search brute force data structures hashing implementation strings *3000	0 / 0	CTSC
1791	P1536C Diluc and Kaeya data structures dp hashing number theory *1500	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
1776	P1538E Funny Substrings data structures hashing implementation matrices strings *2100	0 / 0	提高
1699	P1553B Reverse String brute force dp hashing implementation strings *1300	0 / 0	普及-
1694	P1553G Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory *2700	0 / 0	CTSC
1619	P1569E Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle *2600	0 / 0	CTSC
1618	P1569F Palindromic Hamiltonian Path brute force dfs and similar dp graphs hashing *3000	0 / 0	CTSC
1596	P1574D The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation *2000	0 / 0	提高
1490	P1598G The Sum of Good Numbers hashing math string suffix structures strings *3200	0 / 0	CTSC
1484	P1599F Mars hashing *2700	0 / 0	CTSC
1434	P1608G Alphabetic Tree binary search data structures dfs and similar hashing string suffix structures strings trees *3500	0 / 0	CTSC
1419	P1610G AmShZ Wins a Bet data structures greedy hashing *3300	0 / 0	CTSC
1337	P1621I Two Sequences data structures hashing string suffix structures *3500	0 / 0	CTSC
1331	P1622F Quadratic Set constructive algorithms hashing math number theory *2900	0 / 0	CTSC
1321	P1624E Masha-forgetful brute force constructive algorithms dp hashing implementation strings *2000	0 / 0	提高
1266	P1634F Fibonacci Additions brute force data structures hashing implementation math *2700	0 / 0	CTSC
1231	P1641D Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers *2700	0 / 0	CTSC
1198	P1650C Weight of the System of Nested Segments greedy hashing implementation sortings *1200	0 / 0	普及-
1182	P1654F Minimal String Xoration bitmasks data structures divide and conquer greedy hashing sortings strings *2800	0 / 0	CTSC
1159	P1658E Gojou and Matrix Game data structures dp games hashing implementation math number theory sortings *2500	0 / 0	NOI
1072	P1671E Preorder combinatorics divide and conquer dp dsu hashing sortings trees *2100	0 / 0	提高
1007	P1681D Required Length brute force dfs and similar dp hashing shortest paths *1700	0 / 0	普及
877	P1704D Magical Array constructive algorithms hashing implementation math *1900	0 / 0	普及
780	P1721E Prefix Function Queries dfs and similar dp hashing string suffix structures strings trees *2200	0 / 0	省选
738	P1729F Kirei and the Linear Function hashing math *1900	0 / 0	普及
737	P1729G Cut Substrings combinatorics dp hashing strings two pointers *2100	0 / 0	提高
728	P1731C Even Subarrays bitmasks brute force hashing math number theory *1700	0 / 0	普及
702	P1735D Meta-set brute force combinatorics data structures hashing math *1700	0 / 0	普及
643	P1743G Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math *3000	0 / 0	CTSC
629	P1746F Kazaee data structures hashing probabilities *2800	0 / 0	CTSC
497	P1771F Hossam and Range Minimum Query binary search bitmasks data structures hashing probabilities strings trees *2500	0 / 0	NOI
495	P1773B BinCoin binary search divide and conquer hashing implementation probabilities trees *2200	0 / 0	省选
362	P1780G Delicious Dessert binary search dsu hashing math number theory string suffix structures *2400	0 / 0	NOI
297	P1792D Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings *1700	0 / 0	普及
283	P1794E Labeling the Tree with Distances data structures dp greedy hashing implementation trees *2400	0 / 0	NOI
244	P1800D Remove Two Letters data structures greedy hashing strings *1200	0 / 0	普及-
241	P1800F Dasha and Nightmares bitmasks hashing meet-in-the-middle strings *1900	0 / 0	普及
240	P1800G Symmetree dfs and similar hashing implementation trees *2200	0 / 0	省选
235	P1801E Gasoline prices data structures divide and conquer dsu hashing trees *3000	0 / 0	CTSC
103	P1827C Palindrome Partition binary search brute force data structures dp hashing strings *2600	0 / 0	CTSC
87	P1830C Hyperregular Bracket Strings combinatorics greedy hashing math number theory sortings *2400	0 / 0	NOI
32	P1840E Character Blocking data structures hashing implementation *1600	0 / 0	普及
468	P1849C Binary String Copying binary search brute force data structures hashing strings	0 / 0	暂无评定
8865	P1867F Most Different Tree brute force constructive algorithms dfs and similar greedy hashing	0 / 0	暂无评定
8984	P1887C Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers *2400	0 / 0	NOI
8956	P1895C Torn Lucky Ticket brute force dp hashing implementation math *1400	0 / 0	普及-
9089	P1909G Pumping Lemma hashing strings *3000	0 / 0	CTSC
9059	P1913F Palindromic Problem binary search data structures hashing string suffix structures strings *2800	0 / 0	CTSC
9050	P1914G2 Light Bulbs (Hard Version) combinatorics data structures dfs and similar dp graphs hashing *2300	0 / 0	省选
9186	P1943B Non-Palindromic Substring hashing implementation math strings *2000	0 / 0	提高
9139	P1950G Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	0 / 0	暂无评定
9134	P1951E No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	0 / 0	暂无评定
9244	P1977D XORificator bitmasks brute force greedy hashing *2300	0 / 0	省选
9233	P1979D Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings *1800	0 / 0	普及
9226	P1980E Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings *1600	0 / 0	普及
9212	P1984D "a" String Problem brute force hashing implementation math string suffix structures strings *2000	0 / 0	提高
9372	P1986G2 Permutation Problem (Hard Version) brute force data structures hashing math number theory *2500	0 / 0	NOI
9319	P1994H Fortnite combinatorics constructive algorithms games greedy hashing interactive math number theory strings *3500	0 / 0	CTSC
9305	P1996G Penacony brute force data structures graphs greedy hashing	0 / 0	暂无评定

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