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# Problem Tags Rating Solved
1362-B Johnny and His Hobbies
bitmasks brute force
1200
1362-A Johnny and Ancient Computer
implementation
1000
1361-F Johnny and New Toy
data structures implementation math
3300
1361-E James and the Chase
dfs and similar graphs probabilities +1
3000
1361-D Johnny and James
greedy implementation math +1
2900
1361-C Johnny and Megan's Necklace
binary search bitmasks constructive algorithms +3
2500
1361-B Johnny and Grandmaster
greedy implementation math +1
1900
1361-A Johnny and Contribution
constructive algorithms graphs greedy +1
1700
1360-H Binary Median
binary search bitmasks brute force +1
2100
1360-G A/B Matrix
constructive algorithms greedy math
1900
1360-F Spy-string
bitmasks brute force constructive algorithms +3
1700
1360-E Polygon
dp graphs implementation +1
1300
1360-D Buying Shovels
math number theory
1300
1360-C Similar Pairs
constructive algorithms graph matchings greedy +1
1100
1360-B Honest Coach
greedy sortings
800
1360-A Minimal Square
greedy math
800
1359-F RC Kaboom Show
binary search brute force data structures +2
2900
1359-E Modular Stability
combinatorics math number theory
2000
1359-D Yet Another Yet Another Task
data structures dp implementation +1
2000
1359-C Mixing Water
binary search math
1700
1359-B New Theatre Square
brute force dp greedy +2
1000
1359-A Berland Poker
brute force greedy math
1000
1358-F Tasty Cookie
binary search constructive algorithms greedy +1
2700
1358-E Are You Fired?
constructive algorithms data structures greedy +1
2400
1358-D The Best Vacation
binary search brute force greedy +2
1900
1358-C Celex Update
math
1600
1358-B Maria Breaks the Self-isolation
greedy sortings
1000
1358-A Park Lighting
greedy math
800
1357-E2 Root of quantum Fourier transform
*special
1357-E1 Power of quantum Fourier transform
*special
1357-D5 Quantum Classification - Dataset 7
*special
1357-D4 Quantum Classification - Dataset 6
*special
1357-D3 Quantum Classification - Dataset 5
*special
1357-D2 Quantum Classification - Dataset 4
*special
1357-D1 Quantum Classification - Dataset 3
*special
1357-C2 Prepare superposition of basis states with the same parity
*special
1357-C1 Prepare superposition of basis states with 0s
*special
1357-B2 "Is the number divisible by 3?" oracle
*special
1357-B1 "Is the bit string balanced?" oracle
*special
1357-A7 Distinguish Y, XZ, -Y and -XZ
*special
1357-A6 Distinguish four Pauli gates
*special
1357-A5 Distinguish Rz(θ) from Ry(θ)
*special
1357-A4 Distinguish Rz from R1
*special
1357-A3 Distinguish H from X
*special
1357-A2 Distinguish I, CNOTs and SWAP
*special
1357-A1 Figure out direction of CNOT
*special
1356-D2 Quantum Classification - 2
*special
1356-D1 Quantum Classification - 1
*special
1356-C Prepare state |01⟩ + |10⟩ + |11⟩
*special
1356-B2 Decrement
*special