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# Problem Tags Rating Solved
958-D2 Hyperspace Jump (hard)
2700
958-D1 Hyperspace Jump (easy)
expression parsing math
1400
958-C3 Encryption (hard)
data structures dp
2500
958-C2 Encryption (medium)
dp
2000
958-C1 Encryption (easy)
brute force
1200
958-B2 Maximum Control (medium)
data structures dfs and similar graphs +2
2200
958-B1 Maximum Control (easy)
implementation
1000
958-A3 Death Stars (hard)
3100
958-A2 Death Stars (medium)
hashing strings
2000
958-A1 Death Stars (easy)
implementation
1400
957-A Tritonic Iridescence
implementation
1300
955-F Heaps
dp trees
2600
955-E Icicles
2900
955-D Scissors
brute force strings
2600
955-C Sad powers
binary search math number theory
2100
955-B Not simply beatiful strings
implementation
1400
955-A Feed the cat
greedy math
1100
954-I Yet Another String Matching Problem
fft math
2200
954-H Path Counting
combinatorics dp
2500
954-G Castle Defense
binary search data structures greedy +1
2000
954-F Runner's Problem
dp matrices sortings
2100
954-E Water Taps
binary search greedy sortings
2000
954-D Fight Against Traffic
dfs and similar graphs shortest paths
1600
954-C Matrix Walk
implementation
1700
954-B String Typing
implementation strings
1400
954-A Diagonal Walking
implementation
800
952-G Puzzling Language
*special constructive algorithms
2200
952-F 2 + 2 != 4
*special
2400
952-E Cheese Board
*special
2000
952-D I'm Feeling Lucky!
*special probabilities
1800
952-C Ravioli Sort
implementation
1600
952-B A Map of the Cat
*special brute force interactive
1900
952-A Quirky Quantifiers
*special math
800
950-B Intercepted Message
greedy implementation
1100
950-A Left-handers, Right-handers and Ambidexters
implementation math
800
949-F Astronomy
geometry probabilities
3300
949-E Binary Cards
brute force
2700
949-D Curfew
binary search brute force greedy +1
2300
949-C Data Center Maintenance
dfs and similar graphs
1900
949-B A Leapfrog in the Array
constructive algorithms math
1700
949-A Zebras
greedy
1600
948-A Protect Sheep
brute force dfs and similar graphs +1
900
946-G Almost Increasing Array
data structures dp
2500
946-F Fibonacci String Subsequences
combinatorics dp matrices
2400
946-E Largest Beautiful Number
greedy implementation
2200
946-D Timetable
dp
1800
946-C String Transformation
greedy strings
1300
946-B Weird Subtraction Process
math number theory
1100
946-A Partition
greedy
800
940-F Machine Learning
brute force data structures
2600