bitmasks - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
4225	CF1238E Keyboard Purchase bitmasks dp *2200	0 / 0	(None)
4211	CF1242C Sum Balance bitmasks dfs and similar dp graphs *2400	0 / 0	(None)
4192	CF1245F Daniel and Spring Cleaning bitmasks brute force combinatorics dp *2300	0 / 0	(None)
4110	CF1257F Make Them Similar bitmasks brute force hashing meet-in-the-middle *2400	0 / 0	(None)
4101	CF1261F Xor-Set bitmasks divide and conquer math *3100	0 / 0	(None)
4050	CF1270C Make Good bitmasks constructive algorithms math *1400	0 / 0	(None)
3973	CF1285D Dr bitmasks brute force dfs and similar divide and conquer dp greedy strings trees *1900	0 / 0	(None)
3955	CF1288D Minimax Problem binary search bitmasks dp *2000	0 / 0	(None)
3937	CF1292F Nora's Toy Boxes bitmasks combinatorics dp *3500	0 / 0	(None)
3899	CF1299D Around the World bitmasks combinatorics dfs and similar dp graphs graphs math trees *3000	0 / 0	(None)
3883	CF1302F Keep talking and nobody explodes – easy bitmasks brute force expression parsing	0 / 0	(None)
3874	CF1303D Fill The Bag bitmasks greedy *1900	0 / 0	(None)
3854	CF1305G Kuroni and Antihype bitmasks brute force dp dsu graphs *3500	0 / 0	(None)
3829	CF1312C Adding Powers bitmasks greedy implementation math number theory ternary search *1400	0 / 0	(None)
3819	CF1313D Happy New Year bitmasks dp implementation *2500	0 / 0	(None)
3809	CF1316E Team Building bitmasks dp greedy sortings *2300	0 / 0	(None)
3797	CF1322B Present binary search bitmasks constructive algorithms data structures math sortings *2100	0 / 0	(None)
3795	CF1322D Reality Show bitmasks dp *2800	0 / 0	(None)
3779	CF1325D Ehab the Xorcist bitmasks constructive algorithms greedy number theory *1700	0 / 0	(None)
3770	CF1326F1 Wise Men (Easy Version) bitmasks brute force dp meet-in-the-middle *2600	0 / 0	(None)
3768	CF1326F2 Wise Men (Hard Version) bitmasks dp math *3200	0 / 0	(None)
3761	CF1327F AND Segments bitmasks combinatorics data structures dp two pointers *2500	0 / 0	(None)
3760	CF1327G Letters and Question Marks bitmasks dp string suffix structures *2800	0 / 0	(None)
3751	CF1329B Dreamoon Likes Sequences bitmasks combinatorics math *1700	0 / 0	(None)
3741	CF1331C ...And after happily lived ever they *special problem bitmasks	0 / 0	(None)
3731	CF1332D Walk on Matrix bitmasks constructive algorithms math *1700	0 / 0	(None)
3714	CF1334G Substring Search bitmasks brute force fft *2900	0 / 0	(None)
3700	CF1336E1 Chiori and Doll Picking (easy version) bitmasks brute force combinatorics math *2700	0 / 0	(None)
3699	CF1336E2 Chiori and Doll Picking (hard version) bitmasks brute force combinatorics math *3500	0 / 0	(None)
3694	CF1338B Edge Weight Assignment bitmasks constructive algorithms dfs and similar greedy math trees *1800	0 / 0	(None)
3693	CF1338C Perfect Triples bitmasks brute force constructive algorithms divide and conquer math *2200	0 / 0	(None)
3686	CF1340B Nastya and Scoreboard bitmasks dp graphs greedy *1700	0 / 0	(None)
3673	CF1342F Make It Ascending bitmasks brute force dp *3000	0 / 0	(None)
3545	CF1360F Spy-string bitmasks brute force constructive algorithms dp hashing strings *1700	0 / 0	(None)
3543	CF1360H Binary Median binary search bitmasks brute force constructive algorithms *2100	0 / 0	(None)
3540	CF1361C Johnny and Megan's Necklace binary search bitmasks constructive algorithms dfs and similar dsu graphs *2500	0 / 0	(None)
3534	CF1362B Johnny and His Hobbies bitmasks brute force *1200	0 / 0	(None)
3533	CF1362C Johnny and Another Rating Drop bitmasks greedy math *1400	0 / 0	(None)
3520	CF1364E X-OR bitmasks constructive algorithms divide and conquer interactive probabilities *2700	0 / 0	(None)
3513	CF1365G Secure Password bitmasks combinatorics constructive algorithms interactive math *2800	0 / 0	(None)
3493	CF1368D AND, OR and square sum bitmasks greedy math *1700	0 / 0	(None)
3406	CF1383B GameGame bitmasks constructive algorithms dp games greedy math *1900	0 / 0	(None)
3405	CF1383C String Transformation 2 bitmasks dp graphs trees *3100	0 / 0	(None)
3394	CF1385D a-Good String bitmasks brute force divide and conquer dp implementation *1500	0 / 0	(None)
3387	CF1386C Joker special problem bitmasks data structures divide and conquer dsu 2800	0 / 0	(None)
3365	CF1391D 505 bitmasks brute force constructive algorithms dp greedy implementation *2000	0 / 0	(None)
3359	CF1392E Omkar and Duck bitmasks constructive algorithms interactive math *2100	0 / 0	(None)
3356	CF1392G Omkar and Pies bitmasks dfs and similar dp math shortest paths *2900	0 / 0	(None)
3339	CF1395C Boboniu and Bit Operations bitmasks brute force dp greedy *1600	0 / 0	(None)
3323	CF1398G Running Competition bitmasks fft math number theory *2600	0 / 0	(None)
3308	CF1400G Mercenaries bitmasks brute force combinatorics dp dsu math two pointers *2600	0 / 0	(None)
3300	CF1401F Reverse and Swap binary search bitmasks data structures *2400	0 / 0	(None)
3253	CF1411E Poman Numbers bitmasks greedy math strings *2300	0 / 0	(None)
3251	CF1411G No Game No Life bitmasks games math matrices *2700	0 / 0	(None)
3240	CF1415D XOR-gun bitmasks brute force constructive algorithms *2000	0 / 0	(None)
3234	CF1416C XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees *2000	0 / 0	(None)
3211	CF1420B Rock and Lever bitmasks math *1200	0 / 0	(None)
3206	CF1421A XORwice bitmasks greedy math *800	0 / 0	(None)
3184	CF1423I Lookup Tables bitmasks *3000	0 / 0	(None)
3183	CF1423J Bubble Cup hypothesis bitmasks constructive algorithms dp math *2400	0 / 0	(None)
3155	CF1427E Xum bitmasks constructive algorithms math matrices number theory *2500	0 / 0	(None)
3134	CF1430G Yet Another DAG Problem bitmasks dfs and similar dp flows graphs math *2600	0 / 0	(None)
3096	CF1438D Powerful Ksenia bitmasks constructive algorithms math *2200	0 / 0	(None)
3095	CF1438E Yurii Can Do Everything binary search bitmasks brute force constructive algorithms divide and conquer two pointers *2500	0 / 0	(None)
3087	CF1439E Cheat and Win bitmasks data structures games trees *3500	0 / 0	(None)
3062	CF1446C Xor Tree binary search bitmasks data structures divide and conquer dp trees *2100	0 / 0	(None)
3047	CF1450G Communism bitmasks dp trees *3500	0 / 0	(None)
3039	CF1451E1 Bitwise Queries (Easy Version) bitmasks constructive algorithms interactive math *2000	0 / 0	(None)
3038	CF1451E2 Bitwise Queries (Hard Version) bitmasks constructive algorithms interactive math *2300	0 / 0	(None)
2982	CF1463B Find The Array bitmasks constructive algorithms greedy *1400	0 / 0	(None)
2977	CF1463F Max Correct Set bitmasks dp math *3100	0 / 0	(None)
2971	CF1466E Apollo versus Pan bitmasks brute force math *1800	0 / 0	(None)
2970	CF1466F Euclid's nightmare bitmasks dfs and similar dsu graphs greedy math sortings *2100	0 / 0	(None)
2939	CF1469E A Bit Similar bitmasks brute force hashing string suffix structures strings two pointers *2400	0 / 0	(None)
2936	CF1470B Strange Definition bitmasks graphs hashing math number theory *1900	0 / 0	(None)
2894	CF1476E Pattern Matching bitmasks data structures dfs and similar graphs hashing sortings strings *2300	0 / 0	(None)
2877	CF1479C Continuous City bitmasks constructive algorithms *2500	0 / 0	(None)
2876	CF1479D Odd Mineral Resource binary search bitmasks brute force data structures probabilities trees *2900	0 / 0	(None)
2811	CF1491D Zookeeper and The Infinite Zoo bitmasks constructive algorithms dp greedy math *1800	0 / 0	(None)
2801	CF1492D Genius's Gambit bitmasks constructive algorithms greedy math *1900	0 / 0	(None)
2795	CF1493E Enormous XOR bitmasks constructive algorithms greedy math strings two pointers *2600	0 / 0	(None)
2794	CF1493F Enchanted Matrix bitmasks interactive number theory *2600	0 / 0	(None)
2793	CF1494A ABC String bitmasks brute force implementation *900	0 / 0	(None)
2792	CF1494B Berland Crossword bitmasks brute force greedy implementation *1400	0 / 0	(None)
2773	CF1497D Genius bitmasks dp graphs number theory *2500	0 / 0	(None)
2768	CF1498B Box Fitting binary search bitmasks data structures greedy *1300	0 / 0	(None)
2764	CF1498F Christmas Game bitmasks data structures dfs and similar dp games math trees *2500	0 / 0	(None)
2753	CF1500C Matrix Sorting bitmasks brute force constructive algorithms greedy two pointers *2600	0 / 0	(None)
2717	CF1508C Complete the MST bitmasks brute force data structures dfs and similar dsu graphs greedy trees *2500	0 / 0	(None)
2690	CF1511G Chips on a Board bitmasks brute force data structures dp games two pointers *2700	0 / 0	(None)
2681	CF1513B AND Sequences bitmasks combinatorics constructive algorithms math *1400	0 / 0	(None)
2674	CF1514B AND 0, Sum Big bitmasks combinatorics math *1200	0 / 0	(None)
2662	CF1515H Phoenix and Bits bitmasks brute force data structures sortings *3500	0 / 0	(None)
2659	CF1516B AGAGA XOOORRR bitmasks brute force dp greedy *1500	0 / 0	(None)
2657	CF1516C Baby Ehab Partitions Again bitmasks constructive algorithms dp math *1700	0 / 0	(None)
2640	CF1519F Chests and Keys bitmasks brute force dfs and similar dp flows *3200	0 / 0	(None)
2620	CF1523D Love-Hate bitmasks brute force dp probabilities *2400	0 / 0	(None)
2618	CF1523F Favorite Game bitmasks dp *3300	0 / 0	(None)
2600	CF1527A And Then There Were K bitmasks *800	0 / 0	(None)
2579	CF1530F Bingo bitmasks combinatorics dp math probabilities *2600	0 / 0	(None)

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