Problemset - Codeforces

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CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)
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Problems

#	Name
793C	Mice problem geometry, implementation, math, sortings	2300	x1267
793A	Oleg and shares implementation, math	900	x6852
792E	Colored Balls greedy, math, number theory	2500	x1095
792C	Divide by Three dp, greedy, math, number theory	2000	x4433
789B	Masha and geometric depression brute force, implementation, math	1700	x4387
789A	Anastasia and pebbles implementation, math	1100	x9342
787B	Not Afraid greedy, implementation, math	1300	x5609
787A	The Monster brute force, math, number theory	1200	x11458
785D	Anton and School - 2 combinatorics, dp, math, number theory	2300	x3006
785C	Anton and Fairy Tale binary search, math	1600	x7404
779A	Pupils Redistribution constructive algorithms, math	1000	x9338
777A	Shell Game constructive algorithms, implementation, math	1000	x10310
776E	The Holmes Children math, number theory	2100	x2199
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5956
774E	Big Number and Remainder *special problem, math, number theory	2300	x218
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	x4471
772C	Vulnerable Kerbals constructive algorithms, dp, graphs, math, number theory	2300	x1389
772A	Voltage Keepsake binary search, math	1800	x4367
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x2826
768F	Barrels and boxes brute force, combinatorics, math, number theory, probabilities	2300	x1032
768D	Jon and Orbs dp, math, probabilities	2200	x2973
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x3040
766B	Mahmoud and a Triangle constructive algorithms, geometry, greedy, math, number theory, sortings	1000	x33226
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	x6993
765A	Neverending competitions implementation, math	900	x9034
764A	Taymyr is calling you brute force, implementation, math	800	x16372
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x713
762A	k-th divisor math, number theory	1400	x20120
761B	Dasha and friends brute force, implementation, math	1300	x6880
761A	Dasha and Stairs brute force, constructive algorithms, implementation, math	1000	x14550
760A	Petr and a calendar implementation, math	800	x8245
758F	Geometrical Progression brute force, math, number theory	2400	x638
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2735
758C	Unfair Poll binary search, constructive algorithms, implementation, math	1700	x3885
758A	Holiday Of Equality implementation, math	800	x61794
757B	Bash's Big Day greedy, math, number theory	1400	x10316
756F	Long number expression parsing, math, number theory	3400	x99
756E	Byteland coins combinatorics, dp, math	3200	x180
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x923
755A	PolandBall and Hypothesis brute force, graphs, math, number theory	800	x18162
753A	Santa Claus and Candies dp, greedy, math	1000	x9118
750C	New Year and Rating binary search, greedy, math	1600	x6569
750A	New Year and Hurry binary search, brute force, implementation, math	800	x76638
749A	Bachgold Problem greedy, implementation, math, number theory	800	x49993
748C	Santa Claus and Robot constructive algorithms, math	1400	x4631
748A	Santa Claus and a Place in a Class implementation, math	800	x9017
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x422
747A	Display Size brute force, math	800	x10287
746E	Numbers Exchange greedy, implementation, math	1900	x1741
746D	Green and Black Tea constructive algorithms, greedy, math	1500	x5122
746C	Tram constructive algorithms, implementation, math	1600	x3739
746A	Compote implementation, math	800	x21583
743C	Vladik and fractions brute force, constructive algorithms, math, number theory	1500	x12378
742B	Arpa’s obvious problem and Mehrdad’s terrible solution brute force, math, number theory	1500	x9315
742A	Arpa’s hard exam and Mehrdad’s naive cheat implementation, math, number theory	1000	x43114
741A	Arpa's loud Owf and Mehrdad's evil plan dfs and similar, math	1600	x5441
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2203
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	x13618
735C	Tennis Championship combinatorics, constructive algorithms, greedy, math	1600	x7546
734F	Anton and School bitmasks, constructive algorithms, implementation, math	2500	x1304
734B	Anton and Digits brute force, greedy, implementation, math	800	x29487
733E	Sleep in Class constructive algorithms, data structures, math, two pointers	2400	x956
733B	Parade math	1100	x10687
732C	Sanatorium binary search, constructive algorithms, greedy, implementation, math	1200	x9754
732A	Buy a Shovel brute force, constructive algorithms, implementation, math	800	x73332
731F	Video Cards brute force, data structures, implementation, math, number theory	1900	x2879
730D	Running Over The Bridges greedy, implementation, math	2200	x883
729D	Sea Battle constructive algorithms, greedy, math	1700	x3772
727C	Guess the Array constructive algorithms, interactive, math	1400	x7500
727A	Transformation: from A to B brute force, dfs and similar, math	1000	x14063
725B	Food on the Plane implementation, math	1200	x5150
724G	Xor-matic Number of the Graph bitmasks, graphs, math, number theory, trees	2600	x1076
724C	Ray Tracing greedy, hashing, implementation, math, number theory, sortings	1800	x2145
724B	Batch Sort brute force, greedy, implementation, math	1500	x4016
723A	The New Year: Meeting Friends implementation, math, sortings	800	x79810
721D	Maxim and Array constructive algorithms, data structures, greedy, math	2000	x2356
721B	Passwords implementation, math, sortings, strings	1100	x12107
718C	Sasha and Array data structures, math, matrices	2300	x3913
718A	Efim and Strange Grade dp, implementation, math	1700	x4404
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	x357
715A	Plus and Square Root constructive algorithms, math	1600	x5625
714A	Meeting of Old Friends implementation, math	1100	x10799
712E	Memory and Casinos data structures, math, probabilities	2500	x618
712D	Memory and Scores combinatorics, dp, math	2200	x1847
712C	Memory and De-Evolution greedy, math	1600	x5851
712A	Memory and Crow implementation, math	800	x11913
711E	ZS and The Birthday Paradox math, number theory, probabilities	2300	x1277
711D	Directed Roads combinatorics, dfs and similar, graphs, math	1900	x4500
710D	Two Arithmetic Progressions math, number theory	2500	x1365
710C	Magic Odd Square constructive algorithms, math	1500	x5137
708E	Student's Camp dp, math	3100	x1013