Problemset - Codeforces

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Problems

#	Name
265A	Colorful Stones (Simplified Edition) implementation	800	x36464
264E	Roadside Trees data structures, dp	3000	x428
264D	Colorful Stones dp, two pointers	2500	x419
264C	Choosing Balls dp	2000	x2900
264B	Good Sequences dp, number theory	1500	x10128
264A	Escape from Stones constructive algorithms, data structures, implementation, two pointers	1200	x10742
263E	Rhombus brute force, data structures, dp	2500	x400
263D	Cycle in Graph dfs and similar, graphs	1800	x3586
263C	Circle of Numbers brute force, dfs and similar, implementation	2000	x1075
263B	Squares greedy, implementation, sortings	900	x8877
263A	Beautiful Matrix implementation	800	x241142
262B	Roma and Changing Signs greedy	1200	x11311
262A	Roma and Lucky Numbers implementation	800	x19833
261E	Maxim and Calculator brute force, dp, two pointers	2800	x413
261D	Maxim and Increasing Subsequence dp	2600	x561
261C	Maxim and Matrix constructive algorithms, dp, math	2000	x771
261B	Maxim and Restaurant dp, math, probabilities	1900	x1403
261A	Maxim and Discounts greedy, sortings	1400	x5156
260E	Dividing Kingdom binary search, brute force, data structures	2500	x455
260D	Black and White Tree constructive algorithms, dsu, graphs, greedy, trees	2100	x1535
260C	Balls and Boxes constructive algorithms, greedy, implementation	1700	x2964
260B	Ancient Prophesy brute force, implementation, strings	1600	x3799
260A	Adding Digits implementation, math	1400	x14582
259B	Little Elephant and Magic Square brute force, implementation	1100	x13918
259A	Little Elephant and Chess brute force, strings	1000	x9110
258E	Little Elephant and Tree data structures, dfs and similar, trees	2400	x1092
258D	Little Elephant and Broken Sorting dp, math, probabilities	2600	x1252
258C	Little Elephant and LCM binary search, combinatorics, dp, math	2000	x1784
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1446
258A	Little Elephant and Bits greedy, math	1100	x22839
257E	Greedy Elevator data structures, implementation	2200	x285
257D	Sum greedy, math	1900	x1569
257C	View Angle brute force, geometry, math	1800	x4294
257B	Playing Cubes games, greedy, implementation	1300	x7037
257A	Sockets greedy, implementation, sortings	1100	x6468
256E	Lucky Arrays data structures	2400	x666
256D	Liars and Serge dp	2700	x256
255E	Furlo and Rublo and Game games, implementation, math	2200	x850
255D	Mr. Bender and Square binary search, implementation, math	1800	x1973
255C	Almost Arithmetical Progression brute force, dp	1500	x4698
255B	Code Parsing implementation	1200	x4950
255A	Greg's Workout implementation	800	x28434
254E	Dormitory dp, implementation	2100	x669
254D	Rats brute force, dfs and similar, graphs, implementation, shortest paths	2300	x535
254C	Anagram greedy, strings	1800	x1491
254B	Jury Size brute force, implementation	1500	x2145
254A	Cards with Numbers constructive algorithms, sortings	1200	x7025
253E	Printer binary search, data structures, implementation, sortings	2200	x526
253D	Table with Letters - 2 brute force, two pointers	2000	x830
253C	Text Editor data structures, dfs and similar, graphs, greedy, shortest paths	1600	x2593
253B	Physics Practical binary search, dp, sortings, two pointers	1400	x10652
253A	Boys and Girls greedy	1100	x11209
252B	Unsorting Array brute force, sortings	1800	x1710
252A	Little Xor brute force, implementation	1100	x5266
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x170
251D	Two Sets bitmasks, math	2700	x475
251C	Number Transformation dp, greedy, number theory	2000	x1025
251B	Playing with Permutations implementation, math	1800	x1267
251A	Points on Line binary search, combinatorics, two pointers	1300	x17443
250E	Mad Joe brute force	2000	x465
250D	Building Bridge geometry, ternary search, two pointers	1900	x889
250C	Movie Critics greedy	1600	x1925
250B	Restoring IPv6 implementation, strings	1500	x1976
250A	Paper Work greedy	1000	x4078
249E	Endless Matrix math	2600	x306
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x453
248E	Piglet's Birthday dp, math, probabilities	2600	x579
248D	Sweets for Everyone! binary search, greedy, implementation	2300	x494
248C	Robo-Footballer binary search, geometry	2000	x844
248B	Chilly Willy math, number theory	1400	x5298
248A	Cupboards implementation	800	x22169
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x3194
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9400
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2621
246B	Increase and Decrease greedy, math	1300	x11250
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9229
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6559
245G	Suggested Friends brute force, graphs	2200	x431
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x875
245E	Mishap in Club greedy, implementation	1400	x3271
245D	Restoring Table constructive algorithms, greedy	1500	x2292
245C	Game with Coins greedy	1700	x1542
245B	Internet Address implementation, strings	1100	x5210
245A	System Administrator implementation	800	x8389
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4464
244A	Dividing Orange implementation	900	x7887
243E	Matrix data structures	3000	x190
243D	Cubes data structures, dp, geometry, two pointers	2700	x214
243C	Colorado Potato Beetle dfs and similar, implementation	2200	x529
243B	Hydra graphs, sortings	2000	x1222
243A	The Brand New Function bitmasks	1600	x3905
242E	XOR on Segment bitmasks, data structures	2000	x9051
242D	Dispute dfs and similar, graphs, greedy	2100	x1865
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8531
242B	Big Segment implementation, sortings	1100	x15655
242A	Heads or Tails brute force, implementation	1100	x6366
241G	Challenging Balloons constructive algorithms	1900	x545
241F	Race brute force, implementation	2300	x263
241E	Flights graphs, shortest paths	2600	x1063
241D	Numbers	2900	x367