Problemset - Codeforces

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Educational Codeforces Round 173 (Rated for Div. 2)
02:13:36
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Problems

#	Name
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x296
434D	Nanami's Power Plant flows	2900	x474
433E	Tachibana Kanade's Tofu dp	2500	x484
433D	Nanami's Digital Board dsu, implementation	2000	x1248
433C	Ryouko's Memory Note implementation, math, sortings	1800	x2500
433B	Kuriyama Mirai's Stones dp, implementation, sortings	1200	x41168
433A	Kitahara Haruki's Gift brute force, implementation	1100	x16547
432E	Square Tiling constructive algorithms, greedy	2300	x702
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x9362
432C	Prime Swaps greedy, sortings	1800	x2538
432B	Football Kit brute force, greedy, implementation	1200	x11762
432A	Choosing Teams greedy, implementation, sortings	800	x61282
431E	Chemistry Experiment binary search, data structures, ternary search	2200	x1040
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2353
431C	k-Tree dp, implementation, trees	1600	x26091
431B	Shower Line brute force, implementation	1200	x10915
431A	Black Square implementation	800	x56209
430B	Balls Game brute force, two pointers	1400	x3742
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2288
429E	Points and Segments graphs	3000	x904
429D	Tricky Function data structures, divide and conquer, geometry	2200	x2961
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x960
429B	Working out dp	1600	x8899
429A	Xor-tree dfs and similar, trees	1300	x10488
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1440
427D	Match & Catch dp, string suffix structures, strings	2200	x2226
427C	Checkposts dfs and similar, graphs, two pointers	1700	x14318
427B	Prison Transfer data structures, implementation	1100	x14173
427A	Police Recruits implementation	800	x80456
426B	Sereja and Mirroring implementation	1300	x3826
426A	Sereja and Mugs implementation	800	x9279
425E	Sereja and Sets dp	2500	x686
425D	Sereja and Squares binary search, data structures, hashing	2300	x1472
425C	Sereja and Two Sequences data structures, dp	2300	x905
425B	Sereja and Table bitmasks, greedy	2200	x1321
425A	Sereja and Swaps brute force, sortings	1500	x3922
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x134
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x568
424C	Magic Formulas math	1600	x5479
424B	Megacity binary search, greedy, implementation, sortings	1200	x7803
424A	Squats implementation	900	x8546
421D	Bug in Code binary search, data structures, sortings	1900	x545
421A	Pasha and Hamsters constructive algorithms, implementation	800	x6164
420E	Playing the ball geometry	2600	x219
420D	Cup Trick data structures	2200	x849
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1269
420B	Online Meeting implementation	1800	x1048
420A	Start Up implementation	1000	x6284
418E	Tricky Password data structures	3100	x320
418D	Big Problems for Organizers data structures, graphs, trees	2800	x488
417E	Square Table constructive algorithms, math, probabilities	2400	x852
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2547
417C	Football constructive algorithms, graphs, implementation	1400	x4692
417B	Crash implementation	1400	x1802
417A	Elimination dp, implementation, math	1500	x3066
416E	President's Path dp, graphs, shortest paths	2500	x1547
416D	Population Size greedy, implementation, math	2400	x957
416C	Booking System binary search, dp, greedy, implementation	1600	x8095
416B	Art Union brute force, dp, implementation	1300	x8799
416A	Guess a number! greedy, implementation, two pointers	1400	x9022
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6342
415A	Mashmokh and Lights implementation	900	x9057
414E	Mashmokh's Designed Problem data structures	3200	x200
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x690
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2100	x2239
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x23011
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9877
413E	Maze 2D data structures, divide and conquer	2200	x747
413D	2048 bitmasks, dp	2000	x824
413C	Jeopardy! greedy, math	1400	x2393
413B	Spyke Chatting implementation	1300	x1728
413A	Data Recovery implementation	1200	x2678
412E	E-mail Addresses implementation	1900	x847
412D	Giving Awards dfs and similar	2000	x2078
412C	Pattern implementation, strings	1200	x3955
412B	Network Configuration greedy, sortings	900	x5489
412A	Poster greedy, implementation	900	x4500
411C	Kicker *special problem, implementation	1700	x1230
411B	Multi-core Processor implementation	1600	x1284
411A	Password Check *special problem, implementation	800	x7324
409I	Feed the Golorp *special problem	2400	x127
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x9019
409G	On a plane *special problem, geometry	2200	x521
409F	000001 *special problem	1900	x2097
409E	Dome *special problem	1800	x579
409D	Big Data *special problem	1700	x1719
409C	Magnum Opus *special problem	1700	x1985
409B	Mysterious Language *special problem	1700	x1364
409A	The Great Game *special problem	1700	x2469
408B	Garland implementation	1200	x9435
408A	Line to Cashier implementation	900	x11363
407E	k-d-sequence data structures	3100	x799
407D	Largest Submatrix 3 dp, hashing	2700	x680
407C	Curious Array brute force, combinatorics, implementation, math	2500	x1020
407B	Long Path dp, implementation	1600	x6623
407A	Triangle brute force, geometry, implementation, math	1600	x4926
406E	Hamming Triples implementation, math, two pointers	2800	x248
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1188
405E	Graph Cutting dfs and similar, graphs	2300	x1445
405D	Toy Sum greedy, implementation, math	1700	x3128