Problemset - Codeforces

Problems

#	Name
1254D	Tree Queries data structures, probabilities, trees	2700	x1260
1254C	Point Ordering constructive algorithms, geometry, interactive, math	2300	x1458
1254B2	Send Boxes to Alice (Hard Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	2100	x3205
1254B1	Send Boxes to Alice (Easy Version) constructive algorithms, greedy, math, number theory, ternary search, two pointers	1800	x4695
1254A	Feeding Chicken constructive algorithms, greedy, implementation	1700	x5251
1253F	Cheap Robot binary search, dsu, graphs, shortest paths, trees	2500	x1874
1253E	Antenna Coverage data structures, dp, greedy, sortings	2200	x2860
1253D	Harmonious Graph constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	1700	x9330
1252L	Road Construction flows, graphs	2300	x589
1252K	Addition Robot data structures, math, matrices	2100	x1872
1252J	Tiling Terrace brute force, dp	2300	x726
1252I	Mission Possible	3000	x31
1252H	Twin Buildings greedy, implementation	1800	x2691
1252G	Performance Review data structures	2100	x1439
1252F	Regular Forestation hashing, trees	2400	x946
1252E	Songwriter greedy, two pointers	2200	x1251
1252D	Find String in a Grid data structures, dp, strings, trees	3000	x346
1252C	Even Path data structures, implementation	1600	x3754
1252B	Cleaning Robots dp, trees	2300	x523
1251F	Red-White Fence combinatorics, fft	2500	x827
1251E2	Voting (Hard Version) binary search, data structures, greedy	2400	x2689
1251E1	Voting (Easy Version) data structures, dp, greedy	2300	x2368
1251D	Salary Changing binary search, greedy, sortings	1900	x6058
1251C	Minimize The Integer greedy, two pointers	1600	x12532
1250N	Wires dfs and similar, graphs, greedy	2000	x1591
1250M	SmartGarden constructive algorithms, divide and conquer	2500	x361
1250K	Projectors flows, graphs	3100	x203
1250J	The Parade binary search, greedy	1800	x2970
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x135
1250G	Discarding Game dp, greedy, two pointers	2300	x725
1250E	The Coronation graphs, implementation	2300	x826
1250D	Conference Problem dp	3000	x178
1250C	Trip to Saint Petersburg data structures	2100	x1324
1250B	The Feast and the Bus brute force, constructive algorithms, greedy, math	1800	x2619
1249F	Maximum Weight Subset dp, trees	2200	x2422
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9802
1249D2	Too Many Segments (hard version) data structures, greedy, sortings	1800	x5315
1249D1	Too Many Segments (easy version) greedy	1800	x5141
1248D1	The World Is Just a Programming Task (Easy Version) brute force, dp, greedy, implementation	2000	x2403
1246F	Cursor Distance	3500	x179
1245F	Daniel and Spring Cleaning bitmasks, brute force, combinatorics, dp	2300	x2012
1245E	Hyakugoku and Ladders dp, probabilities, shortest paths	2300	x1274
1245D	Shichikuji and Power Grid dsu, graphs, greedy, shortest paths, trees	1900	x7691
1244G	Running in Pairs constructive algorithms, greedy, math	2400	x1365
1244F	Chips constructive algorithms, implementation	2300	x1549
1244E	Minimizing Difference binary search, constructive algorithms, greedy, sortings, ternary search, two pointers	2000	x5251
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7628
1244C	The Football Season brute force, math, number theory	2000	x7673
1243B2	Character Swap (Hard Version) strings	1600	x7112
1242E	Planar Perimeter constructive algorithms, graphs	3200	x131
1242D	Number Discovery math	3400	x199
1242C	Sum Balance bitmasks, dfs and similar, dp, graphs	2400	x1685
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x7617
1240F	Football graphs	3100	x256
1239F	Swiper, no swiping! graphs, implementation	3400	x281
1239E	Turtle dp, implementation	3100	x1011
1239D	Catowice City 2-sat, dfs and similar, graph matchings, graphs	2400	x2062
1239C	Queue in the Train data structures, greedy, implementation	2300	x1559
1239B	The World Is Just a Programming Task (Hard Version) implementation	2500	x1054
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7380
1238G	Adilbek and the Watering System data structures, greedy, sortings	2700	x410
1238F	The Maximum Subtree dfs and similar, dp, graphs, trees	2200	x1895
1238E	Keyboard Purchase bitmasks, dp	2200	x3071
1238D	AB-string binary search, combinatorics, dp, strings	1900	x6069
1238C	Standard Free2play dp, greedy, math	1600	x7450
1237H	Balanced Reversals constructive algorithms	3300	x373
1237G	Balanced Distribution data structures, dp, greedy	3500	x123
1237F	Balanced Domino Placements combinatorics, dp	2600	x904
1237E	Balanced Binary Search Trees dp, math	2400	x1339
1237D	Balanced Playlist binary search, data structures, implementation	2000	x4251
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4356
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6115
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x177
1236E	Alice and the Unfair Game binary search, data structures, dp, dsu	2500	x671
1236D	Alice and the Doll brute force, data structures, greedy, implementation	2300	x1679
1234F	Yet Another Substring Reverse bitmasks, dp	2200	x2620
1234E	Special Permutations math	2000	x2797
1234D	Distinct Characters Queries data structures	1600	x15362
1231E	Middle-Out constructive algorithms, greedy, strings	2200	x842
1228F	One Node is Gone constructive algorithms, implementation, trees	2500	x439
1228E	Another Filling the Grid combinatorics, dp, math	2300	x2790
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x5232
1228C	Primes and Multiplication math, number theory	1700	x9081
1227G	Not Same constructive algorithms	2600	x1061
1227F2	Wrong Answer on test 233 (Hard Version) combinatorics, math	2400	x1535
1227F1	Wrong Answer on test 233 (Easy Version) dp	2200	x1836
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1501
1227D2	Optimal Subsequences (Hard Version) data structures, greedy	1800	x4411
1227D1	Optimal Subsequences (Easy Version) data structures, greedy	1600	x6453
1227C	Messy constructive algorithms	1700	x5538
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x563
1225F	Tree Factory constructive algorithms, greedy, trees	2500	x889
1225E	Rock Is Push binary search, dp	2200	x1905
1225D	Power Products hashing, math, number theory	1800	x8169
1225C	p-binary bitmasks, brute force, math	1600	x9038
1223G	Wooden Raft binary search, math, number theory	3200	x250
1223F	Stack Exterminable Arrays data structures, divide and conquer, dp, hashing	2600	x2085
1223E	Paint the Tree dp, sortings, trees	2100	x2631
1223D	Sequence Sorting dp, greedy, two pointers	2000	x4078
1223C	Save the Nature binary search, greedy	1600	x8394