*1900 - Codeforces - 题库

ID	题目显示标签隐藏标签	AC / 尝试	难度
2480	P1207E XOR Guessing bitmasks interactive math *1900	0 / 0	(无)
2474	P1208D Restore Permutation binary search data structures greedy implementation *1900	0 / 0	(无)
2437	P1213E Two Small Strings brute force constructive algorithms *1900	0 / 0	(无)
2431	P1214D Treasure Island dfs and similar dp flows hashing *1900	0 / 0	(无)
2416	P1216E1 Numerical Sequence (easy version) binary search brute force math *1900	0 / 0	(无)
2393	P1220D Alex and Julian bitmasks math number theory *1900	0 / 0	(无)
2355	P1228D Complete Tripartite brute force constructive algorithms graphs hashing implementation *1900	0 / 0	(无)
2332	P1237C2 Balanced Removals (Harder) binary search constructive algorithms divide and conquer greedy implementation sortings *1900	0 / 0	(无)
2323	P1238D AB-string binary search combinatorics dp strings *1900	0 / 0	(无)
2311	P1242B 0-1 MST dfs and similar dsu graphs sortings *1900	0 / 0	(无)
2294	P1245D Shichikuji and Power Grid dsu graphs greedy shortest paths trees *1900	0 / 0	(无)
2261	P1251D Salary Changing binary search greedy sortings *1900	0 / 0	(无)
2214	P1260D A Game with Traps binary search dp greedy sortings *1900	0 / 0	(无)
2203	P1264B Beautiful Sequence brute force constructive algorithms greedy *1900	0 / 0	(无)
2164	P1270D Strange Device constructive algorithms interactive math sortings *1900	0 / 0	(无)
2148	P1272E Nearest Opposite Parity dfs and similar graphs shortest paths *1900	0 / 0	(无)
2137	P1276B Two Fairs combinatorics dfs and similar dsu graphs *1900	0 / 0	(无)
2130	P1277D Let's Play the Words? data structures hashing implementation math *1900	0 / 0	(无)
2087	P1285D Dr bitmasks brute force dfs and similar divide and conquer dp greedy strings trees *1900	0 / 0	(无)
2048	P1294E Obtain a Permutation greedy implementation math *1900	0 / 0	(无)

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