Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
2 days
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Problems

#	Name
523C	Name Quest *special problem, greedy	1400	x2466
523B	Mean Requests *special problem, implementation	1500	x941
523A	Rotate, Flip and Zoom *special problem, implementation	1200	x2574
522D	Closest Equals *special problem, data structures	2000	x2963
522B	Photo to Remember *special problem, data structures, dp, implementation	1100	x8690
522A	Reposts *special problem, dfs and similar, dp, graphs, trees	1200	x15725
470H	Array Sorting *special problem	2300	x183
470G	Hamming Distance *special problem	2300	x90
470F	Pairwise Sums *special problem	2300	x96
470E	Chessboard *special problem	1900	x191
470D	Caesar Cipher *special problem	1900	x145
470C	Eval *special problem	1900	x231
470B	Hexakosioihexekontahexaphobia *special problem	1800	x251
470A	Crystal Ball Sequence *special problem, implementation	1400	x665
411A	Password Check *special problem, implementation	800	x6985
409I	Feed the Golorp *special problem	2400	x115
409H	A + B Strikes Back *special problem, brute force, constructive algorithms, dsu, implementation	1500	x8689
409G	On a plane *special problem, geometry	2200	x500
409F	000001 *special problem	1900	x2042
409E	Dome *special problem	1800	x562
409D	Big Data *special problem	1700	x1695
409C	Magnum Opus *special problem	1700	x1944
409B	Mysterious Language *special problem	1700	x1342
409A	The Great Game *special problem	1700	x2435
345G	Suffix Subgroup *special problem, strings	2200	x51
345F	Superstitions Inspection *special problem	2700	x43
345E	Black Cat Rush *special problem	2700	x43
345D	Chain Letter *special problem, dfs and similar, graphs	2200	x75
345C	Counting Fridays *special problem	2000	x121
345B	Triskaidekaphobia *special problem	2100	x121
345A	Expecting Trouble *special problem, probabilities	1500	x476
291E	Tree-String Problem *special problem, dfs and similar, hashing, strings	2000	x1275
291D	Parallel Programming *special problem, greedy	1600	x1467
291C	Network Mask *special problem, bitmasks, brute force, implementation	1600	x1665
291B	Command Line Arguments *special problem, implementation, strings	1300	x3012
291A	Spyke Talks *special problem, implementation, sortings	800	x5986
290F	Greedy Petya *special problem, dfs and similar, graphs, greedy	2800	x127
290E	HQ *special problem, constructive algorithms	2500	x196
290D	Orange *special problem, implementation	1400	x1784
290C	WTF? *special problem, graph matchings, implementation, trees	1700	x1518
290B	QR code *special problem, implementation	1500	x2404
290A	Mysterious strings *special problem, implementation	1400	x2947
188H	Stack *special problem, expression parsing, implementation	1800	x244
188G	Array Sorting *special problem, implementation	1600	x325
188F	Binary Notation *special problem, implementation	1400	x288
188E	HQ9+ *special problem, implementation	1400	x490
188D	Asterisks *special problem, implementation	1100	x656
188C	LCM *special problem, implementation, math	1400	x434
188B	A + Reverse B *special problem, implementation	1300	x703
188A	Hexagonal Numbers *special problem	1100	x762
172E	BHTML+BCSS *special problem, dfs and similar, expression parsing	2200	x268
172D	Calendar Reform *special problem, number theory	1500	x1382
172C	Bus *special problem, implementation, sortings	1500	x1129
172B	Pseudorandom Sequence Period *special problem, implementation, number theory	1200	x2689
172A	Phone Code *special problem, brute force, implementation	800	x5900
171H	A polyline *special problem, implementation	1700	x266
171G	Mysterious numbers - 2 *special problem	1600	x893
171F	ucyhf *special problem, brute force, implementation, number theory	1600	x1247
171E	MYSTERIOUS LANGUAGE *special problem	2000	x1402
171D	Broken checker *special problem, brute force	1300	x2514
171C	A Piece of Cake *special problem, implementation	2000	x1053
171B	Star *special problem, combinatorics	1300	x3948
171A	Mysterious numbers - 1 *special problem, constructive algorithms	1200	x4358
162J	Brackets *special problem	1800	x88
162I	Truncatable primes *special problem	2000	x71
162H	Alternating case *special problem	1800	x212
162G	Non-decimal sum *special problem	2000	x55
162F	Factorial zeros *special problem	1800	x194
162E	HQ9+ *special problem	1800	x173
162D	Remove digits *special problem	1900	x224
162C	Prime factorization *special problem	1800	x772
162B	Binary notation *special problem	1800	x307
162A	Pentagonal numbers *special problem, implementation	1100	x791
159E	Zebra Tower *special problem, data structures, greedy, sortings	1700	x988
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4253
159C	String Manipulation 1.0 *special problem, binary search, brute force, data structures, strings	1400	x2921
159B	Matchmaker *special problem, greedy, sortings	1100	x3676
159A	Friends or Not *special problem, greedy, implementation	1400	x2454
158E	Phone Talks *special problem, dp, sortings	1900	x1449
158D	Ice Sculptures *special problem, brute force, number theory	1300	x6171
158C	Cd and pwd commands *special problem, data structures, implementation	1400	x8883
158B	Taxi *special problem, greedy, implementation	1100	x82584
158A	Next Round *special problem, implementation	800	x233107
153E	Euclidean Distance *special problem	2100	x72
153D	Date Change *special problem	2000	x79
153C	Caesar Cipher *special problem	2200	x360
153B	Binary notation *special problem	1800	x150
153A	A + B *special problem	1600	x759
130J	Date calculation *special problem	1800	x323
130I	Array sorting *special problem, sortings	2300	x164
130H	Balanced brackets *special problem	1600	x537
130G	CAPS LOCK ON *special problem	1700	x273
130F	Prime factorization *special problem	1600	x272
130E	Tribonacci numbers *special problem	1600	x291
130D	Exponentiation *special problem	1500	x381
130C	Decimal sum *special problem	1500	x485
130B	Gnikool Ssalg *special problem, implementation, strings	1400	x516
130A	Hexagonal numbers *special problem, implementation	900	x1522
100J	Interval Coloring *special problem, greedy, math	2400	x60
100I	Rotation *special problem, geometry, math	1500	x340