Problemset - Codeforces

Problems

#	Name
962E	Byteland, Berland and Disputed Cities constructive algorithms, greedy	2200	x1089
962D	Merge Equals data structures, implementation	1600	x6898
962C	Make a Square brute force, implementation, math	1400	x7859
962B	Students in Railway Carriage constructive algorithms, greedy, implementation	1300	x7705
962A	Equator implementation	1300	x12833
961G	Partitions combinatorics, math, number theory	2700	x1363
961F	k-substrings binary search, hashing, string suffix structures	2700	x812
961E	Tufurama data structures	1900	x3657
961D	Pair Of Lines geometry	2000	x4302
961C	Chessboard bitmasks, brute force, implementation	1400	x5306
961B	Lecture Sleep data structures, dp, implementation, two pointers	1200	x21189
961A	Tetris implementation	900	x10079
960H	Santa's Gift data structures, trees	3100	x288
960G	Bandit Blues combinatorics, dp, fft, math	2900	x1072
960F	Pathwalks data structures, dp, graphs	2100	x2981
960E	Alternating Tree combinatorics, dfs and similar, divide and conquer, dp, probabilities, trees	2300	x1948
960D	Full Binary Tree Queries brute force, implementation, trees	2100	x1885
960C	Subsequence Counting bitmasks, constructive algorithms, greedy, implementation	1700	x3932
960B	Minimize the error data structures, greedy, sortings	1500	x8121
960A	Check the string implementation	1200	x8220
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x2142
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3441
959D	Mahmoud and Ehab and another array construction task constructive algorithms, greedy, math, number theory	1900	x3101
959C	Mahmoud and Ehab and the wrong algorithm constructive algorithms, trees	1500	x5788
959B	Mahmoud and Ehab and the message dsu, greedy, implementation	1200	x9663
959A	Mahmoud and Ehab and the even-odd game games, math	800	x47759
958F3	Lightsabers (hard) fft	2600	x702
958F2	Lightsabers (medium) binary search, two pointers	1800	x1238
958F1	Lightsabers (easy) implementation	1500	x1683
958E3	Guard Duty (hard) geometry	2700	x195
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x961
958E1	Guard Duty (easy) brute force, geometry, greedy, math	1600	x1528
958D2	Hyperspace Jump (hard)	2700	x88
958D1	Hyperspace Jump (easy) expression parsing, math	1400	x2074
958C3	Encryption (hard) data structures, dp	2500	x552
958C2	Encryption (medium) dp	2000	x1259
958C1	Encryption (easy) brute force	1200	x2909
958B2	Maximum Control (medium) data structures, dfs and similar, graphs, greedy, trees	2200	x675
958B1	Maximum Control (easy) implementation	1000	x3438
958A3	Death Stars (hard)	3100	x46
958A2	Death Stars (medium) hashing, strings	2000	x914
958A1	Death Stars (easy) implementation	1400	x1664
957A	Tritonic Iridescence implementation	1300	x5774
955F	Heaps dp, trees	2600	x380
955E	Icicles	2900	x95
955D	Scissors brute force, strings	2600	x482
955C	Sad powers binary search, math, number theory	2100	x2713
955B	Not simply beatiful strings implementation	1400	x4833
955A	Feed the cat greedy, math	1100	x6671
954I	Yet Another String Matching Problem fft, math	2200	x1028
954H	Path Counting combinatorics, dp	2500	x590
954G	Castle Defense binary search, data structures, greedy, two pointers	2000	x2166
954F	Runner's Problem dp, matrices, sortings	2100	x1216
954E	Water Taps binary search, greedy, sortings	2000	x1919
954D	Fight Against Traffic dfs and similar, graphs, shortest paths	1600	x6686
954C	Matrix Walk implementation	1700	x3795
954B	String Typing implementation, strings	1400	x7282
954A	Diagonal Walking implementation	800	x10539
952G	Puzzling Language constructive algorithms	2200	x238
952F	2 + 2 != 4	2400	x395
952E	Cheese Board	2000	x642
952D	I'm Feeling Lucky! probabilities	1800	x2450
952C	Ravioli Sort implementation	1600	x2910
952B	A Map of the Cat brute force, interactive	1900	x2049
952A	Quirky Quantifiers math	800	x11284
950B	Intercepted Message greedy, implementation	1100	x7596
950A	Left-handers, Right-handers and Ambidexters implementation, math	800	x15350
949F	Astronomy geometry, probabilities	3300	x59
949E	Binary Cards brute force	2700	x648
949D	Curfew binary search, brute force, greedy, sortings	2300	x832
949C	Data Center Maintenance dfs and similar, graphs	1900	x2071
949B	A Leapfrog in the Array constructive algorithms, math	1700	x3731
949A	Zebras greedy	1600	x5400
948A	Protect Sheep brute force, dfs and similar, graphs, implementation	900	x13883
946G	Almost Increasing Array data structures, dp	2500	x688
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x572
946E	Largest Beautiful Number greedy, implementation	2200	x1102
946D	Timetable dp	1800	x4456
946C	String Transformation greedy, strings	1300	x8897
946B	Weird Subtraction Process math, number theory	1100	x10900
946A	Partition greedy	800	x16587
940F	Machine Learning brute force, data structures	2600	x2659
940E	Cashback data structures, dp, greedy, math	2000	x3773
940D	Alena And The Heater binary search, implementation	1600	x3634
940C	Phone Numbers constructive algorithms, implementation, strings	1500	x5896
940B	Our Tanya is Crying Out Loud dp, greedy	1400	x9031
940A	Points on the line brute force, greedy, sortings	1200	x8331
939F	Cutlet data structures, dp	2400	x966
939E	Maximize! binary search, greedy, ternary search, two pointers	1800	x3141
939D	Love Rescue dfs and similar, dsu, graphs, greedy, strings	1600	x7352
939C	Convenient For Everybody binary search, two pointers	1600	x4640
939B	Hamster Farm implementation	1000	x10625
939A	Love Triangle graphs	800	x25421
938G	Shortest Path Queries bitmasks, data structures, dsu, graphs	2900	x916
938F	Erasing Substrings bitmasks, dp, greedy	2700	x505
938E	Max History combinatorics, math	2300	x1329
938D	Buy a Ticket data structures, graphs, shortest paths	2000	x5757
938C	Constructing Tests binary search, brute force, constructive algorithms	1700	x3322
938B	Run For Your Prize brute force, greedy	1100	x8874
938A	Word Correction implementation	800	x11486