Problemset - Codeforces

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Problems

#	Name
530I	Different variables *special problem	2500	x47
530H	Points in triangle *special problem, geometry	2100	x123
530G	Levenshtein distance *special problem	2100	x159
530F	Jumping frogs *special problem	2100	x107
530E	Sum and product *special problem	1700	x308
530D	Set subtraction *special problem	1600	x452
530C	Diophantine equation *special problem	1500	x556
530B	String inside out *special problem	1600	x542
530A	Quadratic equation *special problem	1500	x675
523D	Statistics of Recompressing Videos *special problem, data structures, implementation	1600	x2348
523C	Name Quest *special problem, greedy	1400	x2503
523B	Mean Requests *special problem, implementation	1500	x952
523A	Rotate, Flip and Zoom *special problem, implementation	1200	x2638
522D	Closest Equals *special problem, data structures	2000	x3246
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8942
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x16515
470H	Array Sorting *special problem	2300	x189
470G	Hamming Distance *special problem	2300	x95
470F	Pairwise Sums *special problem	2300	x106
470E	Chessboard *special problem	1900	x198
470D	Caesar Cipher *special problem	1900	x153
470C	Eval *special problem	1900	x255
470B	Hexakosioihexekontahexaphobia *special problem	1800	x260
470A	Crystal Ball Sequence *special problem, implementation	1400	x677
411A	Password Check *special problem, implementation	800	x7282
409I	Feed the Golorp *special problem	2400	x127
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8968
409G	On a plane *special problem, geometry	2200	x521
409F	000001 *special problem	1900	x2093
409E	Dome *special problem	1800	x578
409D	Big Data *special problem	1700	x1716
409C	Magnum Opus *special problem	1700	x1983
409B	Mysterious Language *special problem	1700	x1359
409A	The Great Game *special problem	1700	x2469
345G	Suffix Subgroup *special problem, strings	2200	x100
345F	Superstitions Inspection *special problem	2700	x47
345E	Black Cat Rush *special problem	2700	x50
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x79
345C	Counting Fridays *special problem	2000	x126
345B	Triskaidekaphobia *special problem	2100	x125
345A	Expecting Trouble *special problem, probabilities	1500	x493
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1319
291D	Parallel Programming *special problem, greedy	1600	x1480
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1682
291B	Command Line Arguments *special problem, implementation, strings	1300	x3032
291A	Spyke Talks *special problem, implementation, sortings	800	x6104
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x134
290E	HQ *special problem, constructive algorithms	2500	x205
290D	Orange *special problem, implementation	1400	x1804
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1550
290B	QR code *special problem, implementation	1500	x2446
290A	Mysterious strings *special problem, implementation	1400	x3004
188H	Stack *special problem, expression parsing, implementation	1800	x266
188G	Array Sorting *special problem, implementation	1600	x334
188F	Binary Notation *special problem, implementation	1400	x301
188E	HQ9+ *special problem, implementation	1400	x500
188D	Asterisks *special problem, implementation	1100	x682
188C	LCM *special problem, implementation, math	1400	x454
188B	A + Reverse B *special problem, implementation	1300	x736
188A	Hexagonal Numbers *special problem	1100	x778
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x271
172D	Calendar Reform *special problem, number theory	1500	x1402
172C	Bus *special problem, implementation, sortings	1500	x1147
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2790
172A	Phone Code *special problem, brute force, implementation	800	x6168
171H	A polyline *special problem, implementation	1700	x282
171G	Mysterious numbers - 2 *special problem	1600	x933
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1284
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1466
171D	Broken checker *special problem, brute force	1300	x2580
171C	A Piece of Cake *special problem, implementation	2000	x1095
171B	Star *special problem, combinatorics	1300	x4074
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4487
162J	Brackets *special problem	1800	x96
162I	Truncatable primes *special problem	2000	x77
162H	Alternating case *special problem	1800	x220
162G	Non-decimal sum *special problem	2000	x65
162F	Factorial zeros *special problem	1800	x202
162E	HQ9+ *special problem	1800	x178
162D	Remove digits *special problem	1900	x228
162C	Prime factorization *special problem	1800	x817
162B	Binary notation *special problem	1800	x313
162A	Pentagonal numbers *special problem, implementation	1100	x805
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x1001
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4324
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x3001
159B	Matchmaker *special problem, greedy, sortings	1100	x3809
159A	Friends or Not *special problem, greedy, implementation	1400	x2485
158E	Phone Talks *special problem, dp, sortings	1900	x1463
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6253
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x9267
158B	Taxi *special problem, greedy, implementation	1100	x87875
158A	Next Round *special problem, implementation	800	x253785
153E	Euclidean Distance *special problem	2100	x80
153D	Date Change *special problem	2000	x83
153C	Caesar Cipher *special problem	2200	x391
153B	Binary notation *special problem	1800	x157
153A	A + B *special problem	1600	x822
130J	Date calculation *special problem	1800	x341
130I	Array sorting *special problem, sortings	2300	x167