Problemset - Codeforces

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Codeforces Round 974 (Div. 3)
16:57:59
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Problems

#	Name
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x25237
1360D	Buying Shovels math, number theory	1300	x32952
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x32769
1360B	Honest Coach greedy, sortings	800	x47761
1360A	Minimal Square greedy, math	800	x50365
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x538
1359E	Modular Stability combinatorics, math, number theory	2000	x6100
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x9428
1359C	Mixing Water binary search, math	1700	x13798
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x27751
1359A	Berland Poker brute force, greedy, math	1000	x29570
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x448
1358E	Are You Fired? constructive algorithms, data structures, greedy, implementation	2400	x2312
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x8147
1358C	Celex Update math	1600	x17347
1358B	Maria Breaks the Self-isolation greedy, sortings	1000	x24899
1358A	Park Lighting greedy, math	800	x39314
1357E2	Root of quantum Fourier transform		x51
1357E1	Power of quantum Fourier transform		x193
1357D5	Quantum Classification - Dataset 7		x82
1357D4	Quantum Classification - Dataset 6		x85
1357D3	Quantum Classification - Dataset 5		x105
1357D2	Quantum Classification - Dataset 4		x112
1357D1	Quantum Classification - Dataset 3		x125
1357C2	Prepare superposition of basis states with the same parity		x303
1357C1	Prepare superposition of basis states with 0s		x348
1357B2	"Is the number divisible by 3?" oracle		x214
1357B1	"Is the bit string balanced?" oracle		x214
1357A7	Distinguish Y, XZ, -Y and -XZ		x182
1357A6	Distinguish four Pauli gates		x167
1357A5	Distinguish Rz(θ) from Ry(θ)		x240
1357A4	Distinguish Rz from R1		x351
1357A3	Distinguish H from X		x478
1357A2	Distinguish I, CNOTs and SWAP		x510
1357A1	Figure out direction of CNOT		x632
1356D2	Quantum Classification - 2 *special problem		x127
1356D1	Quantum Classification - 1 *special problem		x136
1356C	Prepare state \|01⟩ + \|10⟩ + \|11⟩ *special problem		x302
1356B2	Decrement *special problem		x282
1356B1	Increment *special problem		x282
1356A5	Distinguish Z from -Z *special problem		x330
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	x858
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x5110
1355D	Game With Array constructive algorithms, math	1400	x17984
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x10631
1355B	Young Explorers dp, greedy, sortings	1200	x25599
1355A	Sequence with Digits brute force, implementation, math	1200	x26509
1354G	Find a Gift binary search, interactive, probabilities	2600	x783
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x1197
1354E	Graph Coloring dfs and similar, dp, graphs	2100	x3324
1354D	Multiset binary search, data structures	1900	x8744
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x6069
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x15671
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x30766
1354A	Alarm Clock math	900	x23751
1353F	Decreasing Heights brute force, dp	2200	x3322
1353E	K-periodic Garland brute force, dp, greedy	1900	x7131
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x18058
1353C	Board Moves math	1000	x35326
1353B	Two Arrays And Swaps greedy, sortings	800	x49402
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x40561
1352G	Special Permutation constructive algorithms	1600	x21115
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x17067
1352E	Special Elements brute force, implementation, two pointers	1500	x20456
1352D	Alice, Bob and Candies implementation	1300	x26073
1352C	K-th Not Divisible by n binary search, math	1200	x54051
1352B	Same Parity Summands constructive algorithms, math	1200	x37440
1352A	Sum of Round Numbers implementation, math	800	x78810
1351C	Skier data structures, implementation	1400	x8538
1351B	Square? brute force, implementation, math	900	x16950
1351A	A+B (Trial Problem) implementation	800	x23725
1350B	Orac and Models dp, math, number theory	1400	x22059
1350A	Orac and Factors math	900	x26057
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x112
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x412
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x92
1349D	Slime and Biscuits math, probabilities	3200	x902
1349C	Orac and Game of Life dfs and similar, graphs, implementation, shortest paths	2000	x4519
1349B	Orac and Medians constructive algorithms, greedy, math	2000	x8136
1349A	Orac and LCM data structures, math, number theory	1600	x16987
1348F	Phoenix and Memory data structures, dfs and similar, graphs, greedy	2600	x810
1348E	Phoenix and Berries brute force, dp, greedy, math	2400	x2215
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x8842
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x14604
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x25289
1348A	Phoenix and Balance greedy, math	800	x39406
1346I	Pac-Man 2.0 *special problem, dp	2900	x49
1346H	Game with Segments *special problem, data structures, games	2700	x50
1346G	Two IP Cameras *special problem, math, number theory	2300	x135
1346F	Dune II: Battle For Arrakis *special problem, data structures, greedy, math	2000	x228
1346E	Magic Tricks *special problem, dp, graphs	1700	x378
1346D	Constructing the Dungeon *special problem, graphs, greedy	1600	x502
1346C	Spring Cleaning *special problem, greedy, sortings	1600	x605
1346B	Boot Camp *special problem, greedy	1400	x1205
1346A	Color Revolution *special problem, math	1000	x2029
1345B	Card Constructions binary search, brute force, dp, math	1100	x26370