Problemset - Codeforces

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

#	Name
637A	Voting for Photos *special problem, constructive algorithms, implementation	1000	x5316
769A	Year of University Entrance *special problem, implementation, sortings	800	x5574
1812B	Was it Rated? special problem, special problem, *special problem, brute force, implementation		x5585
1663C	Pōja Verdon *special problem, implementation, math		x5620
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x5777
1812J	Unmysterious Language *special problem, constructive algorithms, strings		x5800
172A	Phone Code *special problem, brute force, implementation	800	x5906
291A	Spyke Talks *special problem, implementation, sortings	800	x5988
1505B	DMCA *special problem, implementation, number theory	1600	x6010
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6172
1505C	Fibonacci Words *special problem, implementation	1400	x6305
1331B	Limericks *special problem, math, number theory		x6978
411A	Password Check *special problem, implementation	800	x6998
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8692
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8695
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x8902
1663A	Who Tested? *special problem, expression parsing, trees		x10407
1331D	Again? *special problem, implementation		x11859
1812A	Are You a Robot? special problem, special problem, *special problem, expression parsing, strings		x13071
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x14031
637B	Chat Order *special problem, binary search, constructive algorithms, data structures, sortings	1200	x15088
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15740
1331A	Is it rated? *special problem		x17023
770A	New Password *special problem, implementation	800	x18832
158B	Taxi *special problem, greedy, implementation	1100	x82719
158A	Next Round *special problem, implementation	800	x233679

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