Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
5 days
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Problems

#	Name
1265B	Beautiful Numbers data structures, implementation, math, two pointers	1300	x13736
1265A	Beautiful String constructive algorithms, greedy	1000	x16085
1264F	Beautiful Fibonacci Problem constructive algorithms, number theory	3500	x1203
1264E	Beautiful League constructive algorithms, flows, graph matchings	2700	x1016
1264D2	Beautiful Bracket Sequence (hard version) combinatorics, probabilities	2900	x1597
1264D1	Beautiful Bracket Sequence (easy version) combinatorics, dp, probabilities	2600	x1646
1264C	Beautiful Mirrors with queries data structures, probabilities	2400	x1440
1264B	Beautiful Sequence brute force, constructive algorithms, greedy	1900	x6099
1264A	Beautiful Regional Contest greedy, implementation	1500	x10560
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x992
1263E	Editor data structures, implementation	2100	x3092
1263D	Secret Passwords dfs and similar, dsu, graphs	1500	x16996
1263C	Everyone is a Winner! binary search, math, meet-in-the-middle, number theory	1400	x14931
1263B	PIN Codes greedy, implementation	1400	x11898
1263A	Sweet Problem math	1100	x17430
1261F	Xor-Set bitmasks, divide and conquer, math	3100	x539
1260F	Colored Tree data structures, trees	2700	x689
1260E	Tournament brute force, dp, greedy	2400	x2034
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x4347
1260C	Infinite Fence greedy, math, number theory	1700	x8990
1260B	Obtain Two Zeroes binary search, math	1300	x16961
1260A	Heating math	1000	x16148
1257G	Divisor Set divide and conquer, fft, greedy, math, number theory	2600	x820
1257F	Make Them Similar bitmasks, brute force, hashing, meet-in-the-middle	2400	x2522
1257E	The Contest data structures, dp, greedy	2000	x4740
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x8391
1257C	Dominated Subarray greedy, implementation, sortings, strings, two pointers	1200	x17538
1257B	Magic Stick math	1000	x22966
1257A	Two Rival Students greedy, math	800	x21796
1256F	Equalizing Two Strings constructive algorithms, sortings, strings	2000	x3850
1256E	Yet Another Division Into Teams dp, greedy, sortings	2000	x4857
1256D	Binary String Minimizing greedy	1500	x12953
1256C	Platforms Jumping greedy	1700	x7442
1256B	Minimize the Permutation greedy	1400	x13904
1256A	Payment Without Change math	1000	x33047
1255C	League of Leesins constructive algorithms, implementation	1600	x7339
1255B	Fridge Lockers graphs, implementation	1100	x12741
1255A	Changing Volume math	800	x18183
1254E	Send Tree to Charlie combinatorics, dfs and similar, dsu, trees	3300	x488
1254D	Tree Queries data structures, probabilities, trees	2700	x1794
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1841
1254B2	Send Boxes to Alice (Hard Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	2100	x3586
1254B1	Send Boxes to Alice (Easy Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	1800	x5136
1254A	Feeding Chicken constructive algorithms, greedy, implementation	1700	x5799
1253F	Cheap Robot binary search, dsu, graphs, shortest paths, trees	2500	x2542
1253E	Antenna Coverage data structures, dp, greedy, sortings	2200	x3226
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x10769
1253C	Sweets Eating dp, greedy, math, sortings	1500	x15763
1253B	Silly Mistake greedy, implementation	1400	x11825
1253A	Single Push implementation	1000	x19659
1252L	Road Construction flows, graphs	2300	x684
1252K	Addition Robot data structures, math, matrices	2100	x2149
1252J	Tiling Terrace brute force, dp	2300	x827
1252I	Mission Possible	3000	x63
1252H	Twin Buildings greedy, implementation	1800	x3010
1252G	Performance Review data structures	2100	x1603
1252F	Regular Forestation hashing, trees	2400	x1117
1252E	Songwriter greedy, two pointers	2200	x1411
1252D	Find String in a Grid data structures, dp, strings, trees	3000	x548
1252C	Even Path data structures, implementation	1600	x4067
1252B	Cleaning Robots dp, trees	2300	x633
1252A	Copying Homework	1000	x6132
1251F	Red-White Fence combinatorics, fft	2500	x1115
1251E2	Voting (Hard Version) binary search, data structures, greedy	2400	x3151
1251E1	Voting (Easy Version) data structures, dp, greedy	2300	x2699
1251D	Salary Changing binary search, greedy, sortings	1900	x6950
1251C	Minimize The Integer greedy, two pointers	1600	x14932
1251B	Binary Palindromes greedy, strings	1400	x11749
1251A	Broken Keyboard brute force, strings, two pointers	1000	x21967
1250N	Wires dfs and similar, graphs, greedy	2000	x1873
1250M	SmartGarden constructive algorithms, divide and conquer	2500	x408
1250L	Divide The Students binary search, greedy, math	1500	x4825
1250K	Projectors flows, graphs	3100	x433
1250J	The Parade binary search, greedy	1800	x3482
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x250
1250H	Happy Birthday math	1500	x4388
1250G	Discarding Game dp, greedy, two pointers	2300	x838
1250F	Data Center brute force, implementation	800	x8562
1250E	The Coronation graphs, implementation	2300	x958
1250D	Conference Problem dp	3000	x316
1250C	Trip to Saint Petersburg data structures	2100	x1520
1250B	The Feast and the Bus brute force, constructive algorithms, greedy, math	1800	x2865
1250A	Berstagram implementation	1400	x4525
1249F	Maximum Weight Subset dp, trees	2200	x2969
1249E	By Elevator or Stairs? dp, shortest paths	1700	x11551
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x6045
1249D1	Too Many Segments (easy version) greedy	1800	x5631
1249C2	Good Numbers (hard version) binary search, greedy, math, meet-in-the-middle	1500	x13995
1249C1	Good Numbers (easy version) brute force, greedy, implementation	1300	x16781
1249B2	Books Exchange (hard version) dfs and similar, dsu, math	1300	x18884
1249B1	Books Exchange (easy version) dsu, math	1000	x22780
1249A	Yet Another Dividing into Teams math	800	x23912
1248D1	The World Is Just a Programming Task (Easy Version) brute force, dp, greedy, implementation	2000	x2583
1248B	Grow The Tree greedy, math, sortings	900	x18248
1248A	Integer Points geometry, math	1000	x15259
1246F	Cursor Distance	3500	x221
1245F	Daniel and Spring Cleaning bitmasks, brute force, combinatorics, dp	2300	x2477
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1414
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x10793
1245C	Constanze's Machine dp	1400	x20583

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