Problemset - Codeforces

Problems

#	Name
427E	Police Patrol greedy, implementation, math, ternary search	2000	x1696
427D	Match & Catch dp, string suffix structures, strings	2200	x2804
427C	Checkposts dfs and similar, graphs, two pointers	1700	x18207
427B	Prison Transfer data structures, implementation	1100	x15735
427A	Police Recruits implementation	800	x102254
426B	Sereja and Mirroring implementation	1300	x3995
426A	Sereja and Mugs implementation	800	x10165
425E	Sereja and Sets dp	2500	x856
425D	Sereja and Squares binary search, data structures, hashing	2300	x1691
425C	Sereja and Two Sequences data structures, dp	2300	x1028
425B	Sereja and Table bitmasks, greedy	2200	x1454
425A	Sereja and Swaps brute force, sortings	1500	x4251
424E	Colored Jenga dfs and similar, dp, probabilities	2500	x153
424D	Biathlon Track binary search, brute force, constructive algorithms, data structures, dp	2300	x641
424C	Magic Formulas math	1600	x6058
424B	Megacity binary search, greedy, implementation, sortings	1200	x8565
424A	Squats implementation	900	x9435
421D	Bug in Code binary search, data structures, sortings	1900	x733
421A	Pasha and Hamsters constructive algorithms, implementation	800	x7041
420E	Playing the ball geometry	2600	x330
420D	Cup Trick data structures	2200	x1047
420C	Bug in Code data structures, graphs, implementation, two pointers	1900	x1449
420B	Online Meeting implementation	1800	x1181
420A	Start Up implementation	1000	x7265
418E	Tricky Password data structures	3100	x477
418D	Big Problems for Organizers data structures, graphs, trees	2800	x592
417E	Square Table constructive algorithms, math, probabilities	2400	x1007
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x3060
417C	Football constructive algorithms, graphs, implementation	1400	x5141
417B	Crash implementation	1400	x2054
417A	Elimination dp, implementation, math	1500	x3466
416E	President's Path dp, graphs, shortest paths	2500	x1935
416D	Population Size greedy, implementation, math	2400	x1172
416C	Booking System binary search, dp, greedy, implementation	1600	x8872
416B	Art Union brute force, dp, implementation	1300	x9571
416A	Guess a number! greedy, implementation, two pointers	1400	x10242
415B	Mashmokh and Tokens binary search, greedy, implementation, math	1500	x6762
415A	Mashmokh and Lights implementation	900	x9724
414E	Mashmokh's Designed Problem data structures	3200	x269
414D	Mashmokh and Water Tanks binary search, data structures, greedy, trees, two pointers	2300	x787
414C	Mashmokh and Reverse Operation combinatorics, divide and conquer	2100	x2431
414B	Mashmokh and ACM combinatorics, dp, number theory	1400	x31445
414A	Mashmokh and Numbers constructive algorithms, number theory	1500	x10658
413E	Maze 2D data structures, divide and conquer	2200	x884
413D	2048 bitmasks, dp	2000	x948
413C	Jeopardy! greedy, math	1400	x2718
413B	Spyke Chatting implementation	1300	x1875
413A	Data Recovery implementation	1200	x3065
412E	E-mail Addresses implementation	1900	x953
412D	Giving Awards dfs and similar	2000	x2551
412C	Pattern implementation, strings	1200	x4296
412B	Network Configuration greedy, sortings	900	x6595
412A	Poster greedy, implementation	900	x5137
411C	Kicker *special problem, implementation	1700	x1307
411B	Multi-core Processor implementation	1600	x1431
411A	Password Check *special problem, implementation	800	x8273
409I	Feed the Golorp *special problem	2400	x171
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x9649
409G	On a plane *special problem, geometry	2200	x580
409F	000001 *special problem	1900	x2193
409E	Dome *special problem	1800	x625
409D	Big Data *special problem	1700	x1818
409C	Magnum Opus *special problem	1700	x2152
409B	Mysterious Language *special problem	1700	x1438
409A	The Great Game *special problem	1700	x2649
408B	Garland implementation	1200	x10530
408A	Line to Cashier implementation	900	x12193
407E	k-d-sequence data structures	3100	x1389
407D	Largest Submatrix 3 dp, hashing	2700	x850
407C	Curious Array brute force, combinatorics, implementation, math	2500	x1268
407B	Long Path dp, implementation	1600	x7310
407A	Triangle brute force, geometry, implementation, math	1600	x5230
406E	Hamming Triples implementation, math, two pointers	2800	x408
406D	Hill Climbing dfs and similar, geometry, trees	2200	x1331
405E	Graph Cutting dfs and similar, graphs	2300	x1674
405D	Toy Sum greedy, implementation, math	1700	x3307
405C	Unusual Product implementation, math	1600	x4983
405B	Domino Effect	1100	x6166
405A	Gravity Flip greedy, implementation, sortings	900	x133072
404E	Maze 1D binary search, greedy, implementation	2200	x670
404D	Minesweeper 1D dp, implementation	1900	x2516
404C	Restore Graph dfs and similar, graphs, sortings	1800	x5921
404B	Marathon implementation, math	1500	x3070
404A	Valera and X implementation	1000	x26601
403E	Two Rooted Trees data structures, implementation, trees	2900	x280
403D	Beautiful Pairs of Numbers combinatorics, dp	2300	x1268
402E	Strictly Positive Matrix graphs, math	2200	x2662
402D	Upgrading Array dp, greedy, math, number theory	1800	x2825
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x6478
402B	Trees in a Row brute force, implementation	1400	x4026
402A	Nuts greedy, math	1100	x4937
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x4852
401C	Team constructive algorithms, greedy, implementation	1400	x22156
401B	Sereja and Contests greedy, implementation, math	1200	x4652
401A	Vanya and Cards implementation, math	800	x17663
400E	Inna and Binary Logic binary search, bitmasks, data structures	2100	x1080
400D	Dima and Bacteria dsu, graphs, shortest paths	2000	x3316
400C	Inna and Huge Candy Matrix implementation, math	1500	x3043
400B	Inna and New Matrix of Candies brute force, implementation, schedules	1200	x8730
400A	Inna and Choose Options implementation	1000	x6963