Problemset - Codeforces

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Codeforces Round #717 (Div. 2)
16:35:01
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bitmasks

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Problems

#	Name
1514B	AND 0, Sum Big bitmasks, combinatorics, math		x8824
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x6994
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x252
1508C	Complete the MST bitmasks, data structures, dfs and similar, dsu, graphs, greedy, trees		x580
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x411
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x326
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x9295
1497D	Genius bitmasks, dp, graphs, number theory	2500	x874
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x9298
1494A	ABC String bitmasks, brute force, implementation	900	x14465
1493F	Enchanted Matrix bitmasks, interactive, number theory	2600	x224
1493E	Enormous XOR bitmasks, constructive algorithms, greedy, math, strings, two pointers	2600	x502
1492D	Genius's Gambit bitmasks, constructive algorithms, greedy, math	1900	x4293
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x4500
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x388
1479C	Continuous City bitmasks, constructive algorithms	2500	x882
1476E	Pattern Matching bitmasks, data structures, dfs and similar, graphs, hashing, sortings, strings	2300	x1592
1470B	Strange Definition bitmasks, graphs, hashing, math, number theory	1900	x4464
1469E	A Bit Similar bitmasks, brute force, hashing, string suffix structures, strings, two pointers	2400	x1359
1466F	Euclid's nightmare bitmasks, dfs and similar, dsu, graphs, greedy, math, sortings	2100	x2323
1466E	Apollo versus Pan bitmasks, brute force, math	1800	x5035
1463F	Max Correct Set bitmasks, dp, math	3100	x189
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x10862
1451E2	Bitwise Queries (Hard Version) bitmasks, constructive algorithms, interactive, math	2300	x1920
1451E1	Bitwise Queries (Easy Version) bitmasks, constructive algorithms, interactive, math	2000	x2905
1450G	Communism bitmasks, dp, trees	3500	x77
1446C	Xor Tree binary search, bitmasks, data structures, divide and conquer, dp, trees	2100	x2160
1439E	Cheat and Win bitmasks, data structures, games, trees	3500	x60
1438E	Yurii Can Do Everything binary search, bitmasks, brute force, constructive algorithms, divide and conquer, two pointers	2500	x819
1438D	Powerful Ksenia bitmasks, constructive algorithms, math	2200	x2787
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x334
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x812
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x498
1423I	Lookup Tables bitmasks	3000	x52
1421A	XORwice bitmasks, greedy, math	800	x16234
1420B	Rock and Lever bitmasks, math	1200	x13690
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x2521
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x3373
1411G	No Game No Life bitmasks, games, math, matrices	2700	x353
1411E	Poman Numbers bitmasks, greedy, math, strings	2300	x1171
1401F	Reverse and Swap binary search, bitmasks, data structures	2400	x1013
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x543
1398G	Running Competition bitmasks, fft, math, number theory	2600	x443
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x9182
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x251
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x2582
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x3602
1386C	Joker *special problem, bitmasks, data structures, divide and conquer, dsu	2800	x173
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x11668
1383C	String Transformation 2 bitmasks, dp, graphs, trees	3100	x275
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x3603
1368D	AND, OR and square sum bitmasks, greedy, math	1700	x7887
1365G	Secure Password bitmasks, combinatorics, constructive algorithms, interactive, math	2800	x509
1364E	X-OR bitmasks, constructive algorithms, divide and conquer, interactive, probabilities	2700	x710
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x12516
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x14052
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x943
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x3406
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x8424
1342F	Make It Ascending bitmasks, brute force, dp	3000	x268
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x6291
1338C	Perfect Triples bitmasks, brute force, constructive algorithms, divide and conquer, math	2200	x2366
1338B	Edge Weight Assignment bitmasks, constructive algorithms, dfs and similar, greedy, math, trees	1800	x6209
1336E2	Chiori and Doll Picking (hard version) bitmasks, brute force, combinatorics, math	3500	x140
1336E1	Chiori and Doll Picking (easy version) bitmasks, brute force, combinatorics, math	2700	x432
1334G	Substring Search bitmasks, brute force, fft	2900	x249
1332D	Walk on Matrix bitmasks, constructive algorithms, math	1700	x6628
1331C	...And after happily lived ever they bitmasks		x2907
1329B	Dreamoon Likes Sequences bitmasks, combinatorics, math	1700	x5181
1327G	Letters and Question Marks bitmasks, dp, string suffix structures	2800	x284
1327F	AND Segments bitmasks, combinatorics, data structures, dp, two pointers	2500	x904
1326F2	Wise Men (Hard Version) bitmasks, dp, math	3200	x203
1326F1	Wise Men (Easy Version) bitmasks, brute force, dp, meet-in-the-middle	2600	x544
1325D	Ehab the Xorcist bitmasks, constructive algorithms, greedy, number theory	1700	x8147
1322D	Reality Show bitmasks, dp	2800	x372
1322B	Present binary search, bitmasks, constructive algorithms, data structures, math, sortings	2100	x2643
1316E	Team Building bitmasks, dp, greedy, sortings	2300	x1845
1313D	Happy New Year bitmasks, dp, implementation	2500	x557
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x11377
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x290
1303D	Fill The Bag bitmasks, greedy	1900	x4849
1302F	Keep talking and nobody explodes -- easy bitmasks, brute force, expression parsing		x67
1299D	Around the World bitmasks, combinatorics, dfs and similar, dp, graphs, graphs, math, trees	3000	x231
1292F	Nora's Toy Boxes bitmasks, combinatorics, dp	3500	x111
1288D	Minimax Problem binary search, bitmasks, dp	2000	x4333
1285D	Dr. Evil Underscores bitmasks, brute force, dfs and similar, divide and conquer, dp, greedy, strings, trees	1900	x5124
1270C	Make Good bitmasks, constructive algorithms, math	1400	x9848
1261F	Xor-Set bitmasks, divide and conquer, math	3100	x164
1257F	Make Them Similar bitmasks, brute force, hashing, meet-in-the-middle	2400	x1361
1245F	Daniel and Spring Cleaning bitmasks, brute force, combinatorics, dp	2300	x1221
1242C	Sum Balance bitmasks, dfs and similar, dp, graphs	2400	x1094
1238E	Keyboard Purchase bitmasks, dp	2200	x1820
1234F	Yet Another Substring Reverse bitmasks, dp	2200	x1575
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x186
1225C	p-binary bitmasks, brute force, math	1600	x6533
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x263
1220D	Alex and Julian bitmasks, math, number theory	1900	x2960
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x5631
1215E	Marbles bitmasks, dp	2200	x2013
1214G	Feeling Good bitmasks, data structures	3200	x153

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