Problemset - Codeforces

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Educational Codeforces Round 167 (Rated for Div. 2)
22:49:14
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Problems

#	Name
671C	Ultimate Weirdness of an Array data structures, number theory	2800	x667
666D	Chain Reaction brute force, geometry	3000	x275
652F	Ants on a Circle constructive algorithms, math	2800	x531
643F	Bears and Juice dp, math, meet-in-the-middle	2900	x695
643D	Bearish Fanpages	2900	x311
641F	Little Artem and 2-SAT	3000	x185
639E	Bear and Paradox binary search, greedy, math, sortings	2800	x572
633G	Yash And Trees bitmasks, data structures, dfs and similar, math, number theory	2800	x763
627E	Orchestra two pointers	3000	x542
625E	Frog Fights data structures, greedy	2800	x325
623C	Electric Charges binary search, dp	2900	x450
620F	Xors on Segments data structures, strings, trees	2800	x710
618F	Double Knapsack constructive algorithms, two pointers	3000	x1322
613D	Kingdom and its Cities dfs and similar, divide and conquer, dp, graphs, sortings, trees	2800	x2737
611G	New Year and Cake geometry, two pointers	2900	x426
603E	Pastoral Oddities data structures, divide and conquer, dsu, math, trees	3000	x1183
603D	Ruminations on Ruminants geometry, math	2900	x339
601E	A Museum Robbery data structures, dp	2800	x817
600F	Edge coloring of bipartite graph graphs	2800	x750
598F	Cut Length geometry	2900	x362
587F	Duff is Mad data structures, strings	3000	x1004
587E	Duff as a Queen data structures	2900	x691
585E	Present for Vitalik the Philatelist combinatorics, math, number theory	2900	x1049
582E	Boolean Function bitmasks, dp, expression parsing	3000	x481
581E	Kojiro and Furrari dp, greedy	2800	x188
575I	Robots protection data structures	2800	x423
575E	Spectator Riots geometry	2800	x239
573D	Bear and Cavalry data structures, divide and conquer, dp	3000	x455
568E	Longest Increasing Subsequence data structures, dp	3000	x580
568D	Sign Posts brute force, geometry, math	2800	x301
566C	Logistical Questions dfs and similar, divide and conquer, trees	3000	x707
559E	Gerald and Path dp, sortings	3000	x861
559D	Randomizer combinatorics, geometry, probabilities	2800	x424
555E	Case of Computer Network dfs and similar, graphs, trees	2800	x2213
549F	Yura and Developers data structures, divide and conquer	2800	x853
547E	Mike and Friends data structures, string suffix structures, strings, trees	2800	x1968
536D	Tavas in Kansas dp, games	2900	x712
533D	Landmarks data structures, dp	3000	x218
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x378
526F	Pudding Monsters data structures, divide and conquer	3000	x2355
521D	Shop greedy	2800	x1505
516D	Drazil and Morning Exercise dfs and similar, dp, dsu, trees, two pointers	2800	x1234
513F2	Scaygerboss flows	2800	x333
512E	Fox And Polygon constructive algorithms, divide and conquer	2900	x505
512D	Fox And Travelling dp, trees	2900	x937
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x701
505E	Mr. Kitayuta vs. Bamboos binary search, greedy	2900	x1333
504E	Misha and LCP on Tree binary search, dfs and similar, hashing, string suffix structures, trees	3000	x882
497E	Subsequences Return dp, matrices	2900	x284
497D	Gears brute force, geometry, math	2900	x226
493E	Vasya and Polynomial math	2800	x479
480E	Parking Lot data structures, divide and conquer	2800	x517
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x207
475F	Meta-universe data structures	2900	x227
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x394
472E	Design Tutorial: Learn from a Game constructive algorithms, implementation	2800	x130
464E	The Classic Problem data structures, graphs, shortest paths	3000	x1367
461E	Appleman and a Game binary search, shortest paths, strings	3000	x368
461D	Appleman and Complicated Task dsu, math	2800	x357
457E	Flow Optimality constructive algorithms, flows, math	3000	x95
455E	Function data structures	2900	x662
453D	Little Pony and Elements of Harmony dp, matrices	3000	x461
449E	Jzzhu and Squares dp, math, number theory	2900	x285
446D	DZY Loves Games math, matrices, probabilities	2800	x384
436F	Banners brute force, data structures, dp	3000	x371
436D	Pudding Monsters dp	2800	x321
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x257
434D	Nanami's Power Plant flows	2900	x403
429E	Points and Segments graphs	3000	x839
418D	Big Problems for Organizers data structures, graphs, trees	2800	x472
406E	Hamming Triples implementation, math, two pointers	2800	x231
403E	Two Rooted Trees data structures, implementation, trees	2900	x203
377E	Cookie Clicker dp, geometry	2800	x447
375E	Red and Black Tree dp, implementation, math	3000	x401
372E	Drawing Circles is Fun combinatorics, geometry	3000	x170
364E	Empty Rectangles divide and conquer, two pointers	3000	x537
364D	Ghd brute force, math, probabilities	2900	x1992
360E	Levko and Game graphs, greedy, shortest paths	2800	x681
356E	Xenia and String Problem dp, hashing, implementation, string suffix structures, strings	3000	x404
354D	Transferring Pyramid dp	2900	x443
348E	Pilgrims dfs and similar, dp, trees	2800	x429
346E	Doodle Jump math, number theory	3000	x257
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x694
341E	Candies Game constructive algorithms, greedy	3000	x437
338D	GCD Table chinese remainder theorem, math, number theory	2900	x1100
335F	Buy One, Get One Free dp, greedy	3000	x483
335E	Counting Skyscrapers dp, math, probabilities	2800	x219
331E1	Deja Vu constructive algorithms, graphs, implementation	2900	x164
331D3	Escaping on Beaveractor data structures, implementation, trees	3000	x174
325E	The Red Button combinatorics, dfs and similar, dsu, graphs, greedy	2800	x758
325D	Reclamation dsu	2900	x491
321D	Ciel and Flipboard dp, greedy, math	2900	x529
319E	Ping-Pong data structures	3000	x635
319D	Have You Ever Heard About the Word? greedy, hashing, string suffix structures, strings	2800	x620
314E	Sereja and Squares dp	2900	x366
309E	Sheep binary search, greedy	2900	x220
303E	Random Ranking dp, math, probabilities	3000	x315
301E	Yaroslav and Arrangements dp	2800	x363
297E	Mystic Carvings data structures	3000	x354
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x129