Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
21:02:48
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Problems

#	Name
1244A	Pens and Pencils math	800	x19162
1243B2	Character Swap (Hard Version) strings	1600	x7081
1243B1	Character Swap (Easy Version) strings	1000	x14821
1243A	Maximum Square implementation	800	x15634
1242E	Planar Perimeter constructive algorithms, graphs	3200	x130
1242D	Number Discovery math	3400	x199
1242C	Sum Balance bitmasks, dfs and similar, dp, graphs	2400	x1665
1242B	0-1 MST dfs and similar, dsu, graphs, sortings	1900	x7495
1242A	Tile Painting constructive algorithms, math, number theory	1500	x12563
1240F	Football graphs	3100	x247
1239F	Swiper, no swiping! graphs, implementation	3400	x266
1239E	Turtle dp, implementation	3100	x934
1239D	Catowice City 2-sat, dfs and similar, graph matchings, graphs	2400	x2011
1239C	Queue in the Train data structures, greedy, implementation	2300	x1340
1239B	The World Is Just a Programming Task (Hard Version) implementation	2500	x1044
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7340
1238G	Adilbek and the Watering System data structures, greedy, sortings	2700	x409
1238F	The Maximum Subtree dfs and similar, dp, graphs, trees	2200	x1874
1238E	Keyboard Purchase bitmasks, dp	2200	x2955
1238D	AB-string binary search, combinatorics, dp, strings	1900	x5969
1238C	Standard Free2play dp, greedy, math	1600	x7409
1238B	Kill `Em All greedy, sortings	1300	x13588
1238A	Prime Subtraction math, number theory	900	x24220
1237H	Balanced Reversals constructive algorithms	3300	x371
1237G	Balanced Distribution data structures, dp, greedy	3500	x123
1237F	Balanced Domino Placements combinatorics, dp	2600	x879
1237E	Balanced Binary Search Trees dp, math	2400	x1321
1237D	Balanced Playlist binary search, data structures, implementation	2000	x4186
1237C2	Balanced Removals (Harder) binary search, constructive algorithms, divide and conquer, greedy, implementation, sortings	1900	x4331
1237C1	Balanced Removals (Easier) constructive algorithms, geometry, greedy	1700	x6078
1237B	Balanced Tunnel data structures, sortings, two pointers	1300	x15932
1237A	Balanced Rating Changes implementation, math	1000	x19723
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	x655
1236D	Alice and the Doll brute force, data structures, greedy, implementation	2300	x1667
1236C	Labs constructive algorithms, greedy, implementation	1300	x10148
1236B	Alice and the List of Presents combinatorics, math	1500	x11025
1236A	Stones brute force, greedy, math	800	x16278
1234F	Yet Another Substring Reverse bitmasks, dp	2200	x2583
1234E	Special Permutations math	2000	x2777
1234D	Distinct Characters Queries data structures	1600	x14926
1234C	Pipes dp, implementation	1500	x12576
1234B2	Social Network (hard version) data structures, implementation	1300	x16879
1234B1	Social Network (easy version) implementation	1000	x18726
1234A	Equalize Prices Again math	800	x27797
1231E	Middle-Out constructive algorithms, greedy, strings	2200	x834
1231C	Increasing Matrix greedy	1100	x3842
1230B	Ania and Minimizing greedy, implementation	1000	x18668
1230A	Dawid and Bags of Candies brute force, implementation	800	x21482
1228F	One Node is Gone constructive algorithms, implementation, trees	2500	x437
1228E	Another Filling the Grid combinatorics, dp, math	2300	x2715
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x5201
1228C	Primes and Multiplication math, number theory	1700	x9016
1228B	Filling the Grid implementation, math	1400	x11504
1228A	Distinct Digits brute force, implementation	800	x21639
1227G	Not Same constructive algorithms	2600	x1020
1227F2	Wrong Answer on test 233 (Hard Version) combinatorics, math	2400	x1497
1227F1	Wrong Answer on test 233 (Easy Version) dp	2200	x1799
1227E	Arson In Berland Forest binary search, graphs, graphs, shortest paths	2200	x1483
1227D2	Optimal Subsequences (Hard Version) data structures, greedy	1800	x4319
1227D1	Optimal Subsequences (Easy Version) data structures, greedy	1600	x6390
1227C	Messy constructive algorithms	1700	x5514
1227B	Box constructive algorithms	1200	x9629
1227A	Math Problem math	1100	x9790
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x543
1225F	Tree Factory constructive algorithms, greedy, trees	2500	x884
1225E	Rock Is Push binary search, dp	2200	x1887
1225D	Power Products hashing, math, number theory	1800	x7953
1225C	p-binary bitmasks, brute force, math	1600	x8943
1225B2	TV Subscriptions (Hard Version) implementation, two pointers	1300	x10575
1225B1	TV Subscriptions (Easy Version) implementation	1000	x11873
1225A	Forgetting Things math	900	x15796
1223G	Wooden Raft binary search, math, number theory	3200	x250
1223F	Stack Exterminable Arrays data structures, divide and conquer, dp, hashing	2600	x2047
1223E	Paint the Tree dp, sortings, trees	2100	x2605
1223D	Sequence Sorting dp, greedy, two pointers	2000	x4026
1223C	Save the Nature binary search, greedy	1600	x8299
1223B	Strings Equalization strings	1000	x14771
1223A	CME math	800	x21587
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x657
1221F	Choose a Square binary search, data structures, sortings	2400	x1043
1221E	Game With String games	2500	x1084
1221D	Make The Fence Great Again dp	1800	x9035
1221C	Perfect Team binary search, math	1200	x20969
1221B	Knights constructive algorithms, greedy	1100	x11888
1221A	2048 Game brute force, greedy, math	1000	x16796
1220G	Geolocation geometry	3400	x51
1220F	Gardener Alex binary search, data structures	2700	x694
1220E	Tourism dfs and similar, dp, dsu, graphs, greedy, trees	2200	x2756
1220D	Alex and Julian bitmasks, math, number theory	1900	x3887
1220C	Substring Game in the Lesson games, greedy, strings	1300	x10189
1220B	Multiplication Table math, number theory	1300	x11594
1220A	Cards implementation, sortings, strings	800	x29633
1219G	Harvester implementation	2000	x652
1219C	Periodic integer number implementation, strings	1700	x1777
1218I	The Light Square 2-sat, dfs and similar, greedy	2100	x595
1218H	Function Composition dfs and similar	2900	x114
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x100
1218F	Workout plan data structures, greedy	1500	x2930
1218E	Product Tuples divide and conquer, fft	2500	x377