Problemset - Codeforces

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Codeforces Round 986 (Div. 2)
07:49:27
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Problems

#	Name
774E	Big Number and Remainder *special problem, math, number theory	2300	x217
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x189
773C	Prairie Partition binary search, constructive algorithms, greedy, math	2200	x961
773A	Success Rate binary search, math	1700	x4458
772C	Vulnerable Kerbals constructive algorithms, dp, graphs, math, number theory	2300	x1386
772A	Voltage Keepsake binary search, math	1800	x4365
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2822
768F	Barrels and boxes brute force, combinatorics, math, number theory, probabilities	2300	x1028
768D	Jon and Orbs dp, math, probabilities	2200	x2959
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x3027
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x33116
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x86
765D	Artsem and Saunders constructive algorithms, dsu, math	1700	x2486
765C	Table Tennis Game 2 math	1200	x6981
765A	Neverending competitions implementation, math	900	x9027
764A	Taymyr is calling you brute force, implementation, math	800	x16360
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x712
762A	k-th divisor math, number theory	1400	x20031
761B	Dasha and friends brute force, implementation, math	1300	x6874
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14538
760A	Petr and a calendar implementation, math	800	x8213
758F	Geometrical Progression brute force, math, number theory	2400	x637
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2734
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3885
758A	Holiday Of Equality implementation, math	800	x61494
757B	Bash's Big Day greedy, math, number theory	1400	x10299
756F	Long number expression parsing, math, number theory	3400	x99
756E	Byteland coins combinatorics, dp, math	3200	x176
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x918
755A	PolandBall and Hypothesis brute force, graphs, math, number theory	800	x18123
753A	Santa Claus and Candies dp, greedy, math	1000	x9088
750C	New Year and Rating binary search, greedy, math	1600	x6564
750A	New Year and Hurry binary search, brute force, implementation, math	800	x76235
749A	Bachgold Problem greedy, implementation, math, number theory	800	x49763
748C	Santa Claus and Robot constructive algorithms, math	1400	x4626
748A	Santa Claus and a Place in a Class implementation, math	800	x9002
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x422
747A	Display Size brute force, math	800	x10278
746E	Numbers Exchange greedy, implementation, math	1900	x1741
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5117
746C	Tram constructive algorithms, implementation, math	1600	x3729
746A	Compote implementation, math	800	x21553
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12353
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9301
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x42948
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5437
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2196
737F	Dirty plates constructive algorithms, math	3300	x70
736E	Chess Championship constructive algorithms, flows, greedy, math	2900	x187
736D	Permutations math, matrices	2800	x464
735D	Taxes math, number theory	1600	x13577
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7527
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1301
734B	Anton and Digits brute force, greedy, implementation, math	800	x29448
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x927
733B	Parade math	1100	x10682
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9748
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x73046
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2876
730D	Running Over The Bridges greedy, implementation, math	2200	x883
729D	Sea Battle constructive algorithms, greedy, math	1700	x3769
727C	Guess the Array constructive algorithms, interactive, math	1400	x7461
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x13993
725B	Food on the Plane implementation, math	1200	x5142
724G	Xor-matic Number of the Graph bitmasks, graphs, math, number theory, trees	2600	x1075
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2145
724B	Batch Sort brute force, greedy, implementation, math	1500	x4015
723A	The New Year: Meeting Friends implementation, math, sortings	800	x79345
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2355
721B	Passwords implementation, math, sortings, strings	1100	x12099
718C	Sasha and Array data structures, math, matrices	2300	x3895
718A	Efim and Strange Grade dp, implementation, math	1700	x4401
717H	Pokermon League challenge math, probabilities	2400	x423
717A	Festival Organization combinatorics, math, number theory	2900	x369
715E	Complete the Permutations combinatorics, fft, graphs, math	3400	x356
715A	Plus and Square Root constructive algorithms, math	1600	x5624
714A	Meeting of Old Friends implementation, math	1100	x10793
712E	Memory and Casinos data structures, math, probabilities	2500	x618
712D	Memory and Scores combinatorics, dp, math	2200	x1841
712C	Memory and De-Evolution greedy, math	1600	x5848
712A	Memory and Crow implementation, math	800	x11908
711E	ZS and The Birthday Paradox math, number theory, probabilities	2300	x1276
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x4494
710D	Two Arithmetic Progressions math, number theory	2500	x1353
710C	Magic Odd Square constructive algorithms, math	1500	x5123
708E	Student's Camp dp, math	3100	x1001
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3246
707C	Pythagorean Triples math, number theory	1500	x12688
705B	Spider Man games, math	1100	x9165
704C	Black Widow dp, graphs, implementation, math	2900	x463
703B	Mishka and trip implementation, math	1400	x5680
702D	Road to Post Office math	1900	x3370
702B	Powers of Two brute force, data structures, implementation, math	1500	x11946
701B	Cells Not Under Attack data structures, math	1200	x11788
700A	As Fast As Possible binary search, math	1900	x3189
698D	Limak and Shooting Points brute force, geometry, math	2600	x541
698C	LRU bitmasks, dp, math, probabilities	2400	x1322
697B	Barnicle brute force, implementation, math, strings	1400	x5749
697A	Pineapple Incident implementation, math	900	x12812
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2086