Problemset - Codeforces

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Educational Codeforces Round 175 (Rated for Div. 2)
45:02:35
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Problems

#	Name
1103B	Game with modulo binary search, constructive algorithms, interactive	2000	x3308
1103A	Grid game constructive algorithms, implementation	1400	x9974
1102F	Elongated Matrix binary search, bitmasks, brute force, dp, graphs	2000	x2070
1102E	Monotonic Renumeration combinatorics, sortings	1700	x6196
1102D	Balanced Ternary String greedy, strings	1500	x8161
1102C	Doors Breaking and Repairing games	1200	x13326
1102B	Array K-Coloring greedy, sortings	1400	x10585
1102A	Integer Sequence Dividing math	800	x25038
1101G	(Zero XOR Subset)-less math, matrices	2300	x1780
1101F	Trucks and Cities binary search, dp	2400	x1418
1101E	Polycarp's New Job implementation	1500	x7988
1101D	GCD Counting data structures, dfs and similar, dp, number theory, trees	2000	x4860
1101C	Division and Union sortings	1500	x8587
1101B	Accordion greedy, implementation	1300	x10695
1101A	Minimum Integer math	1000	x17685
1100F	Ivan and Burgers data structures, divide and conquer, greedy, math	2500	x2708
1100E	Andrew and Taxi binary search, dfs and similar, graphs	2200	x2429
1100D	Dasha and Chess constructive algorithms, games, interactive	2500	x883
1100C	NN and the Optical Illusion binary search, geometry, math	1200	x10282
1100B	Build a Contest data structures, implementation	1300	x11319
1100A	Roman and Browser implementation	1000	x10296
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x971
1099C	Postcard constructive algorithms, implementation	1200	x9819
1099B	Squares and Segments binary search, constructive algorithms, math	1100	x11252
1099A	Snowball implementation	800	x13031
1098F	Ж-function string suffix structures, strings	3500	x246
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x252
1098D	Eels data structures	2800	x813
1098C	Construct a tree binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1104
1098B	Nice table brute force, constructive algorithms, greedy, math	2100	x1717
1098A	Sum in the tree constructive algorithms, dfs and similar, greedy, trees	1600	x8975
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x97
1097G	Vladislav and a Great Legend combinatorics, dp, trees	3000	x833
1097F	Alex and a TV Show bitmasks, combinatorics, number theory	2500	x1290
1097E	Egor and an RPG game constructive algorithms, greedy	3400	x491
1097D	Makoto and a Blackboard dp, math, number theory, probabilities	2200	x2930
1097C	Yuhao and a Parenthesis greedy, implementation	1400	x8511
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x30509
1097A	Gennady and a Card Game brute force, implementation	800	x40143
1096G	Lucky Tickets divide and conquer, dp, fft	2400	x1603
1096F	Inversion Expectation dp, math, probabilities	2300	x1846
1096E	The Top Scorer combinatorics, dp, math, probabilities	2500	x1086
1096D	Easy Problem dp	1800	x8381
1096C	Polygon for the Angle brute force, geometry	1600	x6903
1096B	Substring Removal combinatorics, math, strings	1300	x10786
1096A	Find Divisible greedy, implementation, math	800	x19011
1095F	Make It Connected dsu, graphs, greedy	1900	x6495
1095E	Almost Regular Bracket Sequence implementation	1900	x4203
1095D	Circular Dance implementation	1600	x7670
1095C	Powers Of Two bitmasks, greedy	1400	x17572
1095B	Array Stabilization implementation	900	x22582
1095A	Repeating Cipher implementation	800	x33116
1093G	Multidimensional Queries bitmasks, data structures	2300	x2004
1093F	Vasya and Array dp	2400	x1044
1093E	Intersection of Permutations data structures	2400	x1681
1093D	Beautiful Graph dfs and similar, graphs	1700	x9678
1093C	Mishka and the Last Exam greedy	1300	x9487
1093B	Letters Rearranging constructive algorithms, greedy, sortings, strings	900	x16851
1093A	Dice Rolling math	800	x17854
1092F	Tree with Maximum Cost dfs and similar, dp, trees	1900	x8675
1092E	Minimal Diameter Forest constructive algorithms, dfs and similar, greedy, trees	2000	x1798
1092D2	Great Vova Wall (Version 2) data structures, implementation	2200	x3092
1092D1	Great Vova Wall (Version 1) greedy, implementation, math	2200	x5009
1092C	Prefixes and Suffixes strings	1700	x6002
1092B	Teams Forming sortings	800	x27026
1092A	Uniform String implementation	800	x16478
1091H	New Year and the Tricolore Recreation games	3200	x438
1091G	New Year and the Factorisation Collaboration interactive, math, number theory	3200	x214
1091F	New Year and the Mallard Expedition constructive algorithms, greedy	2600	x842
1091E	New Year and the Acquaintance Estimation binary search, data structures, graphs, greedy, implementation, math, sortings	2400	x1023
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6898
1091C	New Year and the Sphere Transmission math, number theory	1400	x10163
1091B	New Year and the Treasure Geolocation brute force, constructive algorithms, greedy, implementation	1200	x10745
1091A	New Year and the Christmas Ornament brute force, implementation, math	800	x17900
1090M	The Pleasant Walk implementation	1000	x6575
1090L	Berland University greedy, math	2000	x1344
1090K	Right Expansion Of The Mind math	2000	x1125
1090J	Two Prefixes strings	2600	x463
1090I	Minimal Product	2000	x1121
1090H	Linearization graphs	2900	x102
1090G	Combostone games, implementation	2500	x111
1090F	How to Learn You Score constructive algorithms, interactive	2600	x333
1090E	Horseback Riding flows, graphs	2300	x620
1090D	Similar Arrays constructive algorithms	1800	x2171
1090C	New Year Presents constructive algorithms, data structures	2400	x522
1090B	LaTeX Expert	1900	x1481
1090A	Company Merging greedy	1300	x4353
1089M	Minegraphed constructive algorithms, graphs	2400	x623
1089L	Lazyland	900	x4138
1089K	King Kog's Reception data structures	2400	x1157
1089J	JS Minification greedy, implementation	3200	x135
1089I	Interval-Free Permutations combinatorics	2600	x393
1089H	Harder Satisfiability 2-sat, dfs and similar, graphs	3400	x116
1089G	Guest Student math	1500	x3027
1089F	Fractions math	1900	x2030
1089E	Easy Chess constructive algorithms	1700	x2050
1089D	Distance Sum graphs	3100	x101
1089C	Cactus Search interactive	2500	x437
1089B	Bimatching graphs	3200	x237
1089A	Alice the Fan dp	2200	x1208