*2100 - 题库 - 思+学堂

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	1562	P1450C1 Errich-Tac-Toe (Easy Version) constructive algorithms math *2100	0 / 0	7
	1529	P1454F Array Partition binary search data structures greedy two pointers *2100	0 / 0	7
	1487	P1466F Euclid's nightmare bitmasks dfs and similar dsu graphs greedy math sortings *2100	0 / 0	7
	1445	P1472F New Year's Puzzle brute force dp graph matchings greedy sortings *2100	0 / 0	7
	1444	P1472G Moving to the Capital dfs and similar dp graphs shortest paths *2100	0 / 0	7
	1405	P1479B2 Painting the Array II constructive algorithms data structures dp greedy implementation *2100	0 / 0	7
	1389	P1482E Skyline Photo data structures divide and conquer dp *2100	0 / 0	7
	1375	P1486D Max Median binary search data structures dp *2100	0 / 0	7
	1331	P1493D GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers *2100	1 / 1	7
	1298	P1499D The Number of Pairs dp math number theory *2100	0 / 0	7
	1250	P1510D Digits dp math number theory *2100	0 / 0	7
	1238	P1511E Colorings and Dominoes combinatorics dp greedy math *2100	0 / 0	7
	1205	P1516D Cut binary search data structures dp graphs number theory two pointers *2100	0 / 0	7
	1164	P1525E Assimilation IV combinatorics dp math probabilities two pointers *2100	0 / 0	7
	1137	P1530E Minimax constructive algorithms greedy strings *2100	0 / 0	7
	1085	P1538E Funny Substrings data structures hashing implementation matrices strings *2100	0 / 0	7
	1083	P1538G Gift Set binary search greedy math ternary search *2100	0 / 0	7
	1041	P1547G How Many Paths? dfs and similar dp graphs trees *2100	0 / 0	7
	1021	P1551D2 Domino (hard version) constructive algorithms implementation math *2100	0 / 0	7
	1005	P1553E Permutation Shift brute force combinatorics constructive algorithms dfs and similar dsu graphs math *2100	0 / 0	7
	991	P1555E Boring Segments data structures sortings trees two pointers *2100	0 / 0	7
	958	P1560F2 Nearest Beautiful Number (hard version) bitmasks brute force constructive algorithms dfs and similar dp greedy *2100	0 / 0	7
	891	P1575L Longest Array Deconstruction data structures divide and conquer dp sortings *2100	0 / 0	7
	814	P1593F Red-Black Number dfs and similar dp implementation math meet-in-the-middle *2100	0 / 0	7
	801	P1598E Staircases brute force combinatorics data structures dfs and similar dp implementation math *2100	0 / 0	7
	791	P1599H Hidden Fortress interactive math *2100	0 / 0	7
	766	P1605D Treelabeling bitmasks constructive algorithms dfs and similar games greedy implementation trees *2100	0 / 0	7
	759	P1606E Arena combinatorics dp math *2100	1 / 1	7
	701	P1614D1 Divan and Kostomuksha (easy version) dp number theory *2100	1 / 1	7
	651	P1621D The Winter Hike constructive algorithms greedy math *2100	0 / 0	7
	618	P1626D Martial Arts Tournament binary search brute force greedy math *2100	0 / 0	7
	606	P1628D1 Game on Sum (Easy Version) combinatorics dp games math *2100	0 / 0	7
	564	P1637E Best Pair binary search brute force implementation *2100	1 / 1	7
	503	P1650G Counting Shortcuts data structures dfs and similar dp graphs shortest paths *2100	0 / 0	7
	493	P1654D Potion Brewing Class dfs and similar math number theory trees *2100	0 / 0	7
	454	P1660F2 Promising String (hard version) data structures implementation math strings *2100	0 / 0	7
	410	P1666J Job Lookup constructive algorithms dp shortest paths trees *2100	0 / 0	7
	406	P1667B Optimal Partition data structures dp *2100	0 / 0	7
	381	P1671E Preorder combinatorics divide and conquer dp dsu hashing sortings trees *2100	0 / 0	7
	303	P1684E MEX vs DIFF binary search brute force constructive algorithms data structures greedy two pointers *2100	0 / 0	7
	153	P1710B Rain binary search brute force data structures geometry greedy implementation math *2100	0 / 0	7
	75	P1725F Field Photography bitmasks data structures sortings *2100	0 / 0	7
	46	P1729G Cut Substrings combinatorics dp hashing strings two pointers *2100	0 / 0	7
	8146	P1732C2 Sheikh (Hard Version) binary search bitmasks brute force greedy implementation two pointers *2100	0 / 0	7
	29	P1734E Rectangular Congruence constructive algorithms number theory *2100	0 / 0	7
	8157	P1748D ConstructOR bitmasks chinese remainder theorem combinatorics constructive algorithms fft math number theory *2100	0 / 0	7
	8240	P1767C Count Binary Strings data structures dp *2100	0 / 0	7
	8219	P1771D Hossam and (sub-)palindromic tree brute force data structures dfs and similar dp strings trees *2100	0 / 0	7
	8294	P1775E The Human Equation greedy implementation *2100	0 / 0	7
	8370	P1787E The Harmonization of XOR bitmasks constructive algorithms greedy math *2100	0 / 0	7

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