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# Problem Tags Rating Solved
1356-B1 Increment
*special
1356-A5 Distinguish Z from -Z
*special
1356-A4 Distinguish I ⊗ X from CNOT
*special
1356-A3 Distinguish Z from S
*special
1356-A2 Distinguish I from Z
*special
1356-A1 Distinguish I from X
*special
1355-F Guess Divisors Count
constructive algorithms interactive number theory
2600
1355-E Restorer Distance
binary search greedy math +2
2100
1355-D Game With Array
constructive algorithms math
1400
1355-C Count Triangles
binary search implementation math +1
1800
1355-B Young Explorers
dp greedy sortings
1200
1355-A Sequence with Digits
brute force implementation math
1200
1354-G Find a Gift
binary search interactive probabilities
2600
1354-F Summoning Minions
constructive algorithms dp flows +3
2500
1354-E Graph Coloring
dfs and similar dp graphs
2100
1354-D Multiset
binary search data structures
1900
1354-C2 Not So Simple Polygon Embedding
binary search brute force geometry +1
2000
1354-C1 Simple Polygon Embedding
binary search geometry math +1
1400
1354-B Ternary String
binary search dp implementation +1
1200
1354-A Alarm Clock
math
900
1353-F Decreasing Heights
brute force dp
2200
1353-E K-periodic Garland
brute force dp greedy
1900
1353-D Constructing the Array
constructive algorithms data structures sortings
1600
1353-C Board Moves
math
1000
1353-B Two Arrays And Swaps
greedy sortings
800
1353-A Most Unstable Array
constructive algorithms greedy math
800
1352-G Special Permutation
constructive algorithms
1600
1352-F Binary String Reconstruction
constructive algorithms dfs and similar math
1500
1352-E Special Elements
brute force implementation two pointers
1500
1352-D Alice, Bob and Candies
implementation
1300
1352-C K-th Not Divisible by n
binary search math
1200
1352-B Same Parity Summands
constructive algorithms math
1200
1352-A Sum of Round Numbers
implementation math
800
1351-C Skier
data structures implementation
1400
1351-B Square?
brute force implementation math
900
1351-A A+B (Trial Problem)
implementation
800
1350-B Orac and Models
dp math number theory
1400
1350-A Orac and Factors
math
900
1349-F2 Slime and Sequences (Hard Version)
dp fft math
3500
1349-F1 Slime and Sequences (Easy Version)
dp fft math
3100
1349-E Slime and Hats
constructive algorithms dp greedy
3500
1349-D Slime and Biscuits
math probabilities
3200
1349-C Orac and Game of Life
dfs and similar graphs implementation +1
2000
1349-B Orac and Medians
constructive algorithms greedy math
2000
1349-A Orac and LCM
data structures math number theory
1600
1348-F Phoenix and Memory
data structures dfs and similar graphs +1
2600
1348-E Phoenix and Berries
brute force dp greedy +1
2400
1348-D Phoenix and Science
binary search constructive algorithms greedy +2
1900
1348-C Phoenix and Distribution
constructive algorithms greedy sortings +1
1600
1348-B Phoenix and Beauty
constructive algorithms data structures greedy +1
1400