Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
04:09:30
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Problems

#	Name
1252D	Find String in a Grid data structures, dp, strings, trees	3000	x331
1252B	Cleaning Robots dp, trees	2300	x507
1251F	Red-White Fence combinatorics, fft	2500	x805
1251E2	Voting (Hard Version) binary search, data structures, greedy	2400	x2555
1251E1	Voting (Easy Version) data structures, dp, greedy	2300	x2263
1251D	Salary Changing binary search, greedy, sortings	1900	x5854
1250N	Wires dfs and similar, graphs, greedy	2000	x1564
1250M	SmartGarden constructive algorithms, divide and conquer	2500	x355
1250K	Projectors flows, graphs	3100	x172
1250J	The Parade binary search, greedy	1800	x2887
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x130
1250G	Discarding Game dp, greedy, two pointers	2300	x716
1250E	The Coronation graphs, implementation	2300	x806
1250D	Conference Problem dp	3000	x173
1250C	Trip to Saint Petersburg data structures	2100	x1299
1250B	The Feast and the Bus brute force, constructive algorithms, greedy, math	1800	x2582
1249F	Maximum Weight Subset dp, trees	2200	x2294
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9507
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x5157
1249D1	Too Many Segments (easy version) greedy	1800	x5028
1248D1	The World Is Just a Programming Task (Easy Version) brute force, dp, greedy, implementation	2000	x2363
1246F	Cursor Distance	3500	x161
1245F	Daniel and Spring Cleaning bitmasks, brute force, combinatorics, dp	2300	x1812
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1250
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x7272
1244G	Running in Pairs constructive algorithms, greedy, math	2400	x1325
1244F	Chips constructive algorithms, implementation	2300	x1514
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x4941
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7446
1244C	The Football Season brute force, math, number theory	2000	x7492
1242E	Planar Perimeter constructive algorithms, graphs	3200	x130
1242D	Number Discovery math	3400	x186
1242C	Sum Balance bitmasks, dfs and similar, dp, graphs	2400	x1620
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x7332
1240F	Football graphs	3100	x244
1239F	Swiper, no swiping! graphs, implementation	3400	x249
1239E	Turtle dp, implementation	3100	x924
1239D	Catowice City 2-sat, dfs and similar, graph matchings, graphs	2400	x1935
1239C	Queue in the Train data structures, greedy, implementation	2300	x1321
1239B	The World Is Just a Programming Task (Hard Version) implementation	2500	x1029
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7271
1238G	Adilbek and the Watering System data structures, greedy, sortings	2700	x401
1238F	The Maximum Subtree dfs and similar, dp, graphs, trees	2200	x1841
1238E	Keyboard Purchase bitmasks, dp	2200	x2891
1238D	AB-string binary search, combinatorics, dp, strings	1900	x5912
1237H	Balanced Reversals constructive algorithms	3300	x367
1237G	Balanced Distribution data structures, dp, greedy	3500	x121
1237F	Balanced Domino Placements combinatorics, dp	2600	x848
1237E	Balanced Binary Search Trees dp, math	2400	x1276
1237D	Balanced Playlist binary search, data structures, implementation	2000	x4130
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4282
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6042
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x173
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x643
1236D	Alice and the Doll brute force, data structures, greedy, implementation	2300	x1652
1234F	Yet Another Substring Reverse bitmasks, dp	2200	x2408
1234E	Special Permutations math	2000	x2754
1231E	Middle-Out constructive algorithms, greedy, strings	2200	x827
1228F	One Node is Gone constructive algorithms, implementation, trees	2500	x421
1228E	Another Filling the Grid combinatorics, dp, math	2300	x2590
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x5140
1228C	Primes and Multiplication math, number theory	1700	x8927
1227G	Not Same constructive algorithms	2600	x972
1227F2	Wrong Answer on test 233 (Hard Version) combinatorics, math	2400	x1476
1227F1	Wrong Answer on test 233 (Easy Version) dp	2200	x1776
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1463
1227D2	Optimal Subsequences (Hard Version) data structures, greedy	1800	x4283
1227C	Messy constructive algorithms	1700	x5486
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x533
1225F	Tree Factory constructive algorithms, greedy, trees	2500	x874
1225E	Rock Is Push binary search, dp	2200	x1837
1225D	Power Products hashing, math, number theory	1800	x7713
1223G	Wooden Raft binary search, math, number theory	3200	x228
1223F	Stack Exterminable Arrays data structures, divide and conquer, dp, hashing	2600	x1990
1223E	Paint the Tree dp, sortings, trees	2100	x2556
1223D	Sequence Sorting dp, greedy, two pointers	2000	x3972
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x571
1221F	Choose a Square binary search, data structures, sortings	2400	x1025
1221E	Game With String games	2500	x1029
1221D	Make The Fence Great Again dp	1800	x8809
1220G	Geolocation geometry	3400	x49
1220F	Gardener Alex binary search, data structures	2700	x675
1220E	Tourism dfs and similar, dp, dsu, graphs, greedy, trees	2200	x2707
1220D	Alex and Julian bitmasks, math, number theory	1900	x3859
1219G	Harvester implementation	2000	x646
1219C	Periodic integer number implementation, strings	1700	x1768
1218I	The Light Square 2-sat, dfs and similar, greedy	2100	x582
1218H	Function Composition dfs and similar	2900	x110
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x94
1218E	Product Tuples divide and conquer, fft	2500	x362
1218D	Xor Spanning Tree divide and conquer, fft, graphs	2400	x465
1218C	Jumping Transformers dp	2600	x173
1218B	Guarding warehouses data structures, geometry	3000	x70
1218A	BubbleReactor dp, graphs	2800	x124
1217F	Forced Online Queries Problem data structures, divide and conquer, dsu, graphs, trees	2600	x561
1217E	Sum Queries? data structures, greedy, implementation, math	2300	x1851
1217D	Coloring Edges constructive algorithms, dfs and similar, graphs	2100	x5148
1217C	The Number Of Good Substrings binary search, bitmasks, brute force	1700	x7357
1216F	Wi-Fi data structures, dp, greedy	2100	x2555
1216E2	Numerical Sequence (hard version) binary search, math	2200	x1440