Problemset - Codeforces

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Educational Codeforces Round 175 (Rated for Div. 2)
16:42:17
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Problems

#	Name
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x547
1359E	Modular Stability combinatorics, math, number theory	2000	x6244
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x9753
1359C	Mixing Water binary search, math	1700	x14170
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x28266
1359A	Berland Poker brute force, greedy, math	1000	x30197
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x470
1358E	Are You Fired? constructive algorithms, data structures, greedy, implementation	2400	x2358
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x8322
1358C	Celex Update math	1600	x17672
1358B	Maria Breaks the Self-isolation greedy, sortings	1000	x25157
1358A	Park Lighting greedy, math	800	x40429
1357E2	Root of quantum Fourier transform *special problem		x51
1357E1	Power of quantum Fourier transform *special problem		x193
1357D5	Quantum Classification - Dataset 7 *special problem		x82
1357D4	Quantum Classification - Dataset 6 *special problem		x85
1357D3	Quantum Classification - Dataset 5 *special problem		x105
1357D2	Quantum Classification - Dataset 4 *special problem		x112
1357D1	Quantum Classification - Dataset 3 *special problem		x125
1357C2	Prepare superposition of basis states with the same parity *special problem		x304
1357C1	Prepare superposition of basis states with 0s *special problem		x348
1357B2	"Is the number divisible by 3?" oracle *special problem		x214
1357B1	"Is the bit string balanced?" oracle *special problem		x214
1357A7	Distinguish Y, XZ, -Y and -XZ *special problem		x183
1357A6	Distinguish four Pauli gates *special problem		x168
1357A5	Distinguish Rz(θ) from Ry(θ) *special problem		x241
1357A4	Distinguish Rz from R1 *special problem		x352
1357A3	Distinguish H from X *special problem		x479
1357A2	Distinguish I, CNOTs and SWAP *special problem		x511
1357A1	Figure out direction of CNOT *special problem		x632
1356D2	Quantum Classification - 2 *special problem		x128
1356D1	Quantum Classification - 1 *special problem		x137
1356C	Prepare state \|01⟩ + \|10⟩ + \|11⟩ *special problem		x303
1356B2	Decrement *special problem		x283
1356B1	Increment *special problem		x283
1356A5	Distinguish Z from -Z *special problem		x331
1356A4	Distinguish I ⊗ X from CNOT *special problem		x459
1356A3	Distinguish Z from S *special problem		x461
1356A2	Distinguish I from Z *special problem		x488
1356A1	Distinguish I from X *special problem		x603
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x890
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x5305
1355D	Game With Array constructive algorithms, math	1400	x18308
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x10880
1355B	Young Explorers dp, greedy, sortings	1200	x26135
1355A	Sequence with Digits brute force, implementation, math	1200	x27186
1354G	Find a Gift binary search, interactive, probabilities	2600	x810
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x1264
1354E	Graph Coloring dfs and similar, dp, graphs	2100	x3463
1354D	Multiset binary search, data structures	1900	x9115
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x6150
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x15925
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x31944
1354A	Alarm Clock math	900	x24099
1353F	Decreasing Heights brute force, dp	2200	x3406
1353E	K-periodic Garland brute force, dp, greedy	1900	x7328
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x18591
1353C	Board Moves math	1000	x36299
1353B	Two Arrays And Swaps greedy, sortings	800	x51347
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x41847
1352G	Special Permutation constructive algorithms	1600	x22250
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x17830
1352E	Special Elements brute force, implementation, two pointers	1500	x21482
1352D	Alice, Bob and Candies implementation	1300	x27146
1352C	K-th Not Divisible by n binary search, math	1200	x58464
1352B	Same Parity Summands constructive algorithms, math	1200	x39323
1352A	Sum of Round Numbers implementation, math	800	x85679
1351C	Skier data structures, implementation	1400	x8768
1351B	Square? brute force, implementation, math	900	x17374
1351A	A+B (Trial Problem) implementation	800	x24680
1350B	Orac and Models dp, math, number theory	1400	x23676
1350A	Orac and Factors math	900	x26376
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x119
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x459
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x105
1349D	Slime and Biscuits math, probabilities	3200	x941
1349C	Orac and Game of Life dfs and similar, graphs, implementation, shortest paths	2000	x4593
1349B	Orac and Medians constructive algorithms, greedy, math	2000	x8321
1349A	Orac and LCM data structures, math, number theory	1600	x18067
1348F	Phoenix and Memory data structures, dfs and similar, graphs, greedy	2600	x834
1348E	Phoenix and Berries brute force, dp, greedy, math	2400	x2277
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x9005
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14849
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x25902
1348A	Phoenix and Balance greedy, math	800	x40362
1346I	Pac-Man 2.0 *special problem, dp	2900	x51
1346H	Game with Segments *special problem, data structures, games	2700	x52
1346G	Two IP Cameras *special problem, math, number theory	2300	x139
1346F	Dune II: Battle For Arrakis *special problem, data structures, greedy, math	2000	x232
1346E	Magic Tricks *special problem, dp, graphs	1700	x383
1346D	Constructing the Dungeon *special problem, graphs, greedy	1600	x518
1346C	Spring Cleaning *special problem, greedy, sortings	1600	x614
1346B	Boot Camp *special problem, greedy	1400	x1222
1346A	Color Revolution *special problem, math	1000	x2073
1345B	Card Constructions binary search, brute force, dp, math	1100	x27032
1345A	Puzzle Pieces math	800	x24390
1344F	Piet's Palette matrices	3200	x461
1344E	Train Tracks data structures, trees	3100	x476
1344D	Résumé Review binary search, greedy, math	2700	x1201
1344C	Quantifier Question dfs and similar, dp, graphs, math	2600	x1892