Problemset - Codeforces

Problems

#	Name
432A	Choosing Teams greedy, implementation, sortings	800	x60688
431E	Chemistry Experiment binary search, data structures, ternary search	2200	x1027
431D	Random Task binary search, bitmasks, combinatorics, dp, math	2100	x2325
431C	k-Tree dp, implementation, trees	1600	x25849
431B	Shower Line brute force, implementation	1200	x10865
431A	Black Square implementation	800	x55673
430B	Balls Game brute force, two pointers	1400	x3735
430A	Points and Segments (easy) constructive algorithms, sortings	1600	x2282
429E	Points and Segments graphs	3000	x894
429D	Tricky Function data structures, divide and conquer, geometry	2200	x2949
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x953
429B	Working out dp	1600	x8757
429A	Xor-tree dfs and similar, trees	1300	x10433
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1435
427D	Match & Catch dp, string suffix structures, strings	2200	x2219
427C	Checkposts dfs and similar, graphs, two pointers	1700	x14164
427B	Prison Transfer data structures, implementation	1100	x14118
427A	Police Recruits implementation	800	x79426
426B	Sereja and Mirroring implementation	1300	x3814
426A	Sereja and Mugs implementation	800	x9255
425E	Sereja and Sets dp	2500	x682
425D	Sereja and Squares binary search, data structures, hashing	2300	x1461
425C	Sereja and Two Sequences data structures, dp	2300	x904
425B	Sereja and Table bitmasks, greedy	2200	x1314
425A	Sereja and Swaps brute force, sortings	1500	x3914
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	x5444
424B	Megacity binary search, greedy, implementation, sortings	1200	x7769
424A	Squats implementation	900	x8513
421D	Bug in Code binary search, data structures, sortings	1900	x541
421A	Pasha and Hamsters constructive algorithms, implementation	800	x6126
420E	Playing the ball geometry	2600	x219
420D	Cup Trick data structures	2200	x845
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1268
420B	Online Meeting implementation	1800	x1045
420A	Start Up implementation	1000	x6253
418E	Tricky Password data structures	3100	x318
418D	Big Problems for Organizers data structures, graphs, trees	2800	x483
417E	Square Table constructive algorithms, math, probabilities	2400	x842
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2532
417C	Football constructive algorithms, graphs, implementation	1400	x4678
417B	Crash implementation	1400	x1792
417A	Elimination dp, implementation, math	1500	x3027
416E	President's Path dp, graphs, shortest paths	2500	x1510
416D	Population Size greedy, implementation, math	2400	x951
416C	Booking System binary search, dp, greedy, implementation	1600	x8058
416B	Art Union brute force, dp, implementation	1300	x8771
416A	Guess a number! greedy, implementation, two pointers	1400	x8992
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6322
415A	Mashmokh and Lights implementation	900	x9027
414E	Mashmokh's Designed Problem data structures	3200	x200
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x687
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2100	x2226
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x22618
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x9851
413E	Maze 2D data structures, divide and conquer	2200	x744
413D	2048 bitmasks, dp	2000	x822
413C	Jeopardy! greedy, math	1400	x2388
413B	Spyke Chatting implementation	1300	x1715
413A	Data Recovery implementation	1200	x2659
412E	E-mail Addresses implementation	1900	x847
412D	Giving Awards dfs and similar	2000	x1969
412C	Pattern implementation, strings	1200	x3941
412B	Network Configuration greedy, sortings	900	x5445
412A	Poster greedy, implementation	900	x4475
411C	Kicker implementation	1700	x1229
411B	Multi-core Processor implementation	1600	x1280
411A	Password Check *special problem, implementation	800	x7282
409I	Feed the Golorp *special problem	2400	x127
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8973
409G	On a plane *special problem, geometry	2200	x521
409F	000001 *special problem	1900	x2093
409E	Dome *special problem	1800	x579
409D	Big Data *special problem	1700	x1716
409C	Magnum Opus *special problem	1700	x1983
409B	Mysterious Language *special problem	1700	x1359
409A	The Great Game *special problem	1700	x2469
408B	Garland implementation	1200	x9377
408A	Line to Cashier implementation	900	x11292
407E	k-d-sequence data structures	3100	x796
407D	Largest Submatrix 3 dp, hashing	2700	x679
407C	Curious Array brute force, combinatorics, implementation, math	2500	x1012
407B	Long Path dp, implementation	1600	x6611
407A	Triangle brute force, geometry, implementation, math	1600	x4913
406E	Hamming Triples implementation, math, two pointers	2800	x248
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1183
405E	Graph Cutting dfs and similar, graphs	2300	x1440
405D	Toy Sum greedy, implementation, math	1700	x3125
405C	Unusual Product implementation, math	1600	x4680
405B	Domino Effect	1100	x5780
405A	Gravity Flip greedy, implementation, sortings	900	x102803
404E	Maze 1D binary search, greedy, implementation	2200	x579
404D	Minesweeper 1D dp, implementation	1900	x2162
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5241
404B	Marathon implementation, math	1500	x2934
404A	Valera and X implementation	1000	x24096
403E	Two Rooted Trees data structures, implementation, trees	2900	x219
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1118
402E	Strictly Positive Matrix graphs, math	2200	x2201