Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
5 days
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Problems

#	Name
1361F	Johnny and New Toy data structures, implementation, math	3300	x264
1361E	James and the Chase dfs and similar, graphs, probabilities, trees	3000	x1106
1361D	Johnny and James greedy, implementation, math, trees	2900	x456
1361C	Johnny and Megan's Necklace binary search, bitmasks, constructive algorithms, dfs and similar, dsu, graphs	2500	x2181
1361B	Johnny and Grandmaster greedy, implementation, math, sortings	1900	x3925
1361A	Johnny and Contribution constructive algorithms, graphs, greedy, sortings	1700	x8931
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4955
1360G	A/B Matrix constructive algorithms, greedy, math	1900	x8463
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x13890
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x28836
1360D	Buying Shovels math, number theory	1300	x46657
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x37961
1360B	Honest Coach greedy, sortings	800	x55541
1360A	Minimal Square greedy, math	800	x58715
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x641
1359E	Modular Stability combinatorics, math, number theory	2000	x6980
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x11124
1359C	Mixing Water binary search, math	1700	x15730
1359B	New Theatre Square brute force, dp, greedy, implementation, two pointers	1000	x29738
1359A	Berland Poker brute force, greedy, math	1000	x32178
1358F	Tasty Cookie binary search, constructive algorithms, greedy, implementation	2700	x570
1358E	Are You Fired? constructive algorithms, data structures, greedy, implementation	2400	x2502
1358D	The Best Vacation binary search, brute force, greedy, implementation, two pointers	1900	x8897
1358C	Celex Update math	1600	x18615
1358B	Maria Breaks the Self-isolation greedy, sortings	1000	x26148
1358A	Park Lighting greedy, math	800	x44194
1357E2	Root of quantum Fourier transform *special problem		x54
1357E1	Power of quantum Fourier transform *special problem		x196
1357D5	Quantum Classification - Dataset 7 *special problem		x84
1357D4	Quantum Classification - Dataset 6 *special problem		x87
1357D3	Quantum Classification - Dataset 5 *special problem		x107
1357D2	Quantum Classification - Dataset 4 *special problem		x114
1357D1	Quantum Classification - Dataset 3 *special problem		x127
1357C2	Prepare superposition of basis states with the same parity *special problem		x308
1357C1	Prepare superposition of basis states with 0s *special problem		x351
1357B2	"Is the number divisible by 3?" oracle *special problem		x217
1357B1	"Is the bit string balanced?" oracle *special problem		x217
1357A7	Distinguish Y, XZ, -Y and -XZ *special problem		x186
1357A6	Distinguish four Pauli gates *special problem		x171
1357A5	Distinguish Rz(θ) from Ry(θ) *special problem		x244
1357A4	Distinguish Rz from R1 *special problem		x355
1357A3	Distinguish H from X *special problem		x482
1357A2	Distinguish I, CNOTs and SWAP *special problem		x514
1357A1	Figure out direction of CNOT *special problem		x635
1356D2	Quantum Classification - 2 *special problem		x130
1356D1	Quantum Classification - 1 *special problem		x139
1356C	Prepare state \|01⟩ + \|10⟩ + \|11⟩ *special problem		x306
1356B2	Decrement *special problem		x288
1356B1	Increment *special problem		x287
1356A5	Distinguish Z from -Z *special problem		x335
1356A4	Distinguish I ⊗ X from CNOT *special problem		x462
1356A3	Distinguish Z from S *special problem		x464
1356A2	Distinguish I from Z *special problem		x491
1356A1	Distinguish I from X *special problem		x607
1355F	Guess Divisors Count constructive algorithms, interactive, number theory	2600	x997
1355E	Restorer Distance binary search, greedy, math, sortings, ternary search	2100	x6243
1355D	Game With Array constructive algorithms, math	1400	x19294
1355C	Count Triangles binary search, implementation, math, two pointers	1800	x12550
1355B	Young Explorers dp, greedy, sortings	1200	x27948
1355A	Sequence with Digits brute force, implementation, math	1200	x29443
1354G	Find a Gift binary search, interactive, probabilities	2600	x1119
1354F	Summoning Minions constructive algorithms, dp, flows, graph matchings, greedy, sortings	2500	x1578
1354E	Graph Coloring dfs and similar, dp, graphs	2100	x3892
1354D	Multiset binary search, data structures	1900	x11006
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x6460
1354C1	Simple Polygon Embedding binary search, geometry, math, ternary search	1400	x16452
1354B	Ternary String binary search, dp, implementation, two pointers	1200	x36620
1354A	Alarm Clock math	900	x25126
1353F	Decreasing Heights brute force, dp	2200	x3752
1353E	K-periodic Garland brute force, dp, greedy	1900	x8069
1353D	Constructing the Array constructive algorithms, data structures, sortings	1600	x21082
1353C	Board Moves math	1000	x39605
1353B	Two Arrays And Swaps greedy, sortings	800	x60458
1353A	Most Unstable Array constructive algorithms, greedy, math	800	x45397
1352G	Special Permutation constructive algorithms	1600	x25906
1352F	Binary String Reconstruction constructive algorithms, dfs and similar, math	1500	x20104
1352E	Special Elements brute force, implementation, two pointers	1500	x24946
1352D	Alice, Bob and Candies implementation	1300	x31047
1352C	K-th Not Divisible by n binary search, math	1200	x76186
1352B	Same Parity Summands constructive algorithms, math	1200	x47713
1352A	Sum of Round Numbers implementation, math	800	x111741
1351C	Skier data structures, implementation	1400	x9479
1351B	Square? brute force, implementation, math	900	x18861
1351A	A+B (Trial Problem) implementation	800	x27779
1350B	Orac and Models dp, math, number theory	1400	x31892
1350A	Orac and Factors math	900	x27802
1349F2	Slime and Sequences (Hard Version) dp, fft, math	3500	x149
1349F1	Slime and Sequences (Easy Version) dp, fft, math	3100	x695
1349E	Slime and Hats constructive algorithms, dp, greedy	3500	x127
1349D	Slime and Biscuits math, probabilities	3200	x1267
1349C	Orac and Game of Life dfs and similar, graphs, implementation, shortest paths	2000	x4962
1349B	Orac and Medians constructive algorithms, greedy, math	2000	x9162
1349A	Orac and LCM data structures, math, number theory	1600	x23329
1348F	Phoenix and Memory data structures, dfs and similar, graphs, greedy	2600	x992
1348E	Phoenix and Berries brute force, dp, greedy, math	2400	x2557
1348D	Phoenix and Science binary search, constructive algorithms, greedy, implementation, math	1900	x9468
1348C	Phoenix and Distribution constructive algorithms, greedy, sortings, strings	1600	x15748
1348B	Phoenix and Beauty constructive algorithms, data structures, greedy, sortings	1400	x28169
1348A	Phoenix and Balance greedy, math	800	x43673
1346I	Pac-Man 2.0 *special problem, dp	2900	x70

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