Problemset - Codeforces

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IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)
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Problems

#	Name
162C	Prime factorization *special problem	1800	x853
162B	Binary notation *special problem	1800	x315
161E	Polycarpus the Safecracker brute force, dp	2500	x473
161D	Distance in Tree dfs and similar, dp, trees	1800	x15478
161C	Abracadabra divide and conquer	2400	x655
161B	Discounts constructive algorithms, greedy, sortings	1700	x1968
160E	Buses and People binary search, data structures, sortings	2400	x598
160D	Edges in MST dfs and similar, dsu, graphs, sortings	2300	x2848
160C	Find Pair implementation, math, sortings	1700	x3477
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x1008
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4342
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x3015
159A	Friends or Not *special problem, greedy, implementation	1400	x2501
158E	Phone Talks *special problem, dp, sortings	1900	x1466
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x9399
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x163
156D	Clues combinatorics, graphs	2500	x1640
156C	Cipher combinatorics, dp	2000	x2440
156B	Suspects constructive algorithms, data structures, implementation	1600	x2257
156A	Message brute force	1700	x3057
154E	Martian Colony geometry	3000	x98
154D	Flatland Fencing games, math	2400	x437
154C	Double Profiles graphs, hashing, sortings	2300	x2924
154B	Colliders math, number theory	1600	x4943
154A	Hometask greedy	1600	x4107
153E	Euclidean Distance *special problem	2100	x81
153D	Date Change *special problem	2000	x85
153C	Caesar Cipher *special problem	2200	x393
153B	Binary notation *special problem	1800	x159
153A	A + B *special problem	1600	x828
152E	Garden bitmasks, dp, graphs, trees	2500	x491
152D	Frames brute force	2600	x246
152C	Pocket Book combinatorics	1400	x10760
150E	Freezing with Style binary search, data structures, divide and conquer, trees	3000	x879
150D	Mission Impassable dp, strings	2600	x628
150C	Smart Cheater data structures, math, probabilities	2200	x647
150B	Quantity of Strings combinatorics, dfs and similar, graphs, math	1600	x4310
150A	Win or Freeze games, math, number theory	1400	x7980
149E	Martian Strings string suffix structures, strings	2300	x2309
149D	Coloring Brackets dp	1900	x3961
149C	Division into Teams greedy, math, sortings	1500	x5430
149B	Martian Clock implementation	1600	x2288
148E	Porcelain dp	1900	x4144
148D	Bag of mice dp, games, math, probabilities	1800	x7447
148C	Terse princess constructive algorithms, greedy	1700	x3165
148B	Escape implementation, math	1500	x5570
147B	Smile House binary search, graphs, matrices	2500	x812
145E	Lucky Queries data structures	2400	x3312
145D	Lucky Pair combinatorics, data structures, implementation	2900	x248
145C	Lucky Subsequence combinatorics, dp, math	2100	x1926
145B	Lucky Number 2 constructive algorithms	1800	x2238
144E	Competition data structures, greedy	2200	x606
144D	Missile Silos data structures, dfs and similar, graphs, shortest paths	1900	x4098
144C	Anagram Search implementation, strings	1500	x4045
142E	Help Greg the Dwarf 2 geometry	3000	x81
142D	Help Shrek and Donkey 2 games	2600	x352
142C	Help Caretaker brute force, dp	2300	x934
142B	Help General constructive algorithms, greedy, implementation	1800	x2256
142A	Help Farmer brute force, math	1600	x2652
141E	Clearing Up constructive algorithms, dp, dsu, graphs	2300	x1140
141D	Take-off Ramps graphs, shortest paths	2300	x914
141C	Queue constructive algorithms, greedy, sortings	1800	x2490
141B	Hopscotch geometry, math	1400	x5441
140F	New Year Snowflake geometry, sortings	2600	x377
140E	New Year Garland combinatorics, dp	2600	x962
140D	New Year Contest greedy, sortings	1800	x2220
140C	New Year Snowmen binary search, data structures, greedy	1800	x4417
140B	New Year Cards brute force, greedy, implementation	1800	x1688
140A	New Year Table geometry, math	1700	x4179
139B	Wallpaper implementation, math	1600	x1328
138E	Hellish Constraints brute force, dp, two pointers	2900	x175
138D	World of Darkraft dp, games	2500	x501
138C	Mushroom Gnomes - 2 binary search, data structures, probabilities, sortings	2200	x879
138B	Digits Permutations greedy	1900	x1041
138A	Literature Lesson implementation	1600	x2408
137E	Last Chance data structures, implementation, strings	2000	x1256
137D	Palindromes dp, strings	1900	x1531
137C	History sortings	1500	x7284
135E	Weak Subsequence combinatorics	3000	x310
135D	Cycle brute force, dfs and similar, implementation	2500	x304
135C	Zero-One constructive algorithms, games, greedy	1900	x1356
135B	Rectangle and Square brute force, geometry, math	1600	x2392
134C	Swaps constructive algorithms, graphs, greedy	2200	x477
134B	Pairs of Numbers brute force, dfs and similar, math, number theory	1900	x2105
132E	Bits of merry old England flows, graphs	2700	x536
132D	Constants in the language of Shakespeare constructive algorithms, dp, greedy	2100	x621
132C	Logo Turtle dp	1800	x2371
132B	Piet implementation	2100	x666
131F	Present to Mom binary search, two pointers	2000	x655
131E	Yet Another Task with Queens sortings	1700	x1871
131D	Subway dfs and similar, graphs	1600	x4764
131C	The World is a Theatre combinatorics, math	1400	x11449
130J	Date calculation *special problem	1800	x343
130I	Array sorting *special problem, sortings	2300	x170
130H	Balanced brackets *special problem	1600	x618
130G	CAPS LOCK ON *special problem	1700	x289
130F	Prime factorization *special problem	1600	x281
130E	Tribonacci numbers *special problem	1600	x299
130D	Exponentiation *special problem	1500	x399
130C	Decimal sum *special problem	1500	x509