Problemset - Codeforces

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Problems

#	Name
252B	Unsorting Array brute force, sortings	1800	x1721
252A	Little Xor brute force, implementation	1100	x5328
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x171
251D	Two Sets bitmasks, math	2700	x479
251C	Number Transformation dp, greedy, number theory	2000	x1036
251B	Playing with Permutations implementation, math	1800	x1276
251A	Points on Line binary search, combinatorics, two pointers	1300	x17893
250E	Mad Joe brute force	2000	x467
250D	Building Bridge geometry, ternary search, two pointers	1900	x894
250C	Movie Critics greedy	1600	x1951
250B	Restoring IPv6 implementation, strings	1500	x1997
250A	Paper Work greedy	1000	x4144
249E	Endless Matrix math	2600	x320
249D	Donkey and Stars data structures, dp, geometry, math, sortings	2700	x462
248E	Piglet's Birthday dp, math, probabilities	2600	x584
248D	Sweets for Everyone! binary search, greedy, implementation	2300	x500
248C	Robo-Footballer binary search, geometry	2000	x855
248B	Chilly Willy math, number theory	1400	x5346
248A	Cupboards implementation	800	x22557
246E	Blood Cousins Return binary search, data structures, dfs and similar, dp, sortings	2400	x3369
246D	Colorful Graph brute force, dfs and similar, graphs	1600	x9485
246C	Beauty Pageant brute force, constructive algorithms, greedy	1600	x2636
246B	Increase and Decrease greedy, math	1300	x11359
246A	Buggy Sorting constructive algorithms, greedy, sortings	900	x9309
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x6845
245G	Suggested Friends brute force, graphs	2200	x438
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x878
245E	Mishap in Club greedy, implementation	1400	x3297
245D	Restoring Table constructive algorithms, greedy	1500	x2325
245C	Game with Coins greedy	1700	x1552
245B	Internet Address implementation, strings	1100	x5240
245A	System Administrator implementation	800	x8497
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4513
244A	Dividing Orange implementation	900	x7964
243E	Matrix data structures	3000	x191
243D	Cubes data structures, dp, geometry, two pointers	2700	x215
243C	Colorado Potato Beetle dfs and similar, implementation	2200	x530
243B	Hydra graphs, sortings	2000	x1236
243A	The Brand New Function bitmasks	1600	x3952
242E	XOR on Segment bitmasks, data structures	2000	x9419
242D	Dispute dfs and similar, graphs, greedy	2100	x1881
242C	King's Path dfs and similar, graphs, hashing, shortest paths	1800	x8765
242B	Big Segment implementation, sortings	1100	x15846
242A	Heads or Tails brute force, implementation	1100	x6393
241G	Challenging Balloons constructive algorithms	1900	x548
241F	Race brute force, implementation	2300	x263
241E	Flights graphs, shortest paths	2600	x1113
241D	Numbers	2900	x381
241C	Mirror Box geometry, implementation	2000	x512
241B	Friends binary search, bitmasks, data structures, math	2700	x818
241A	Old Peykan greedy	1300	x2243
240F	TorCoder data structures	2600	x1968
240E	Road Repairs dfs and similar, graphs, greedy	2800	x356
239B	Easy Tape Programming brute force, implementation	1500	x1374
239A	Two Bags of Potatoes greedy, implementation, math	1200	x19030
238E	Meeting Her dp, graphs, shortest paths	2600	x394
238D	Tape Programming data structures, implementation	2900	x251
238C	World Eater Brothers dfs and similar, dp, greedy, trees	2100	x1247
238B	Boring Partition constructive algorithms	1800	x1333
238A	Not Wool Sequences constructive algorithms, math	1300	x2048
237E	Build String flows, graphs	2000	x1739
237D	T-decomposition dfs and similar, graphs, greedy, trees	2000	x567
237C	Primes on Interval binary search, number theory, two pointers	1600	x5839
237B	Young Table implementation, sortings	1500	x2241
237A	Free Cash implementation	1000	x26966
236B	Easy Number Challenge implementation, number theory	1300	x14433
236A	Boy or Girl brute force, implementation, strings	800	x215138
235E	Number Challenge combinatorics, dp, implementation, math, number theory	2600	x779
235D	Graph Game graphs	3000	x507
235C	Cyclical Quest data structures, string suffix structures, strings	2700	x2148
235B	Let's Play Osu! dp, math, probabilities	2000	x3590
235A	LCM Challenge number theory	1600	x17961
234H	Merging Two Decks constructive algorithms, greedy	2000	x568
234G	Practice constructive algorithms, divide and conquer, implementation	1600	x1480
234F	Fence dp	1800	x1749
234E	Champions' League implementation	1600	x1002
234D	Cinema implementation	1600	x1541
234C	Weather dp, implementation	1300	x5565
234B	Reading sortings	1000	x7135
234A	Lefthanders and Righthanders implementation	1200	x4476
233B	Non-square Equation binary search, brute force, math	1400	x7542
233A	Perfect Permutation implementation, math	800	x42992
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x697
232D	Fence binary search, data structures, string suffix structures	2900	x475
232C	Doe Graphs constructive algorithms, divide and conquer, dp, graphs, shortest paths	2600	x291
232B	Table bitmasks, combinatorics, dp, math	1900	x1479
232A	Cycles binary search, constructive algorithms, graphs, greedy	1600	x2550
231E	Cactus data structures, dfs and similar, dp, graphs, trees	2100	x1908
231D	Magic Box brute force, geometry	1600	x4109
231C	To Add or Not to Add binary search, sortings, two pointers	1600	x8685
231B	Magic, Wizardry and Wonders constructive algorithms, greedy	1500	x3624
231A	Team brute force, greedy	800	x332807
230B	T-primes binary search, implementation, math, number theory	1300	x76705
230A	Dragons greedy, sortings	1000	x80295
229E	Gifts combinatorics, dp, math, probabilities	2600	x466
229D	Towers dp, greedy, two pointers	2100	x2277
229C	Triangles combinatorics, graphs, math	1900	x1630
229B	Planets binary search, data structures, graphs, shortest paths	1700	x4726
229A	Shifts brute force, two pointers	1500	x3529
228E	The Road to Berland is Paved With Good Intentions 2-sat, dfs and similar, dsu, graphs	1900	x2479