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# Problem Tags Rating Solved
48-C The Race
math
1800
48-B Land Lot
brute force implementation
1200
48-A Rock-paper-scissors
implementation schedules
900
47-E Cannon
data structures geometry sortings
2200
47-D Safe
brute force
2200
47-C Crossword
implementation
2000
47-B Coins
implementation
1200
47-A Triangular numbers
brute force math
800
46-G Emperor's Problem
geometry
2500
46-F Hercule Poirot Problem
dsu graphs
2300
46-E Comb
data structures dp
1900
46-D Parking Lot
data structures implementation
1800
46-C Hamsters and Tigers
two pointers
1600
46-B T-shirts from Sponsor
implementation
1100
46-A Ball Game
brute force implementation
800
45-J Planting Trees
constructive algorithms
1800
45-I TCMCF+++
greedy
1400
45-H Road Problem
graphs
2100
45-G Prime Problem
number theory
2200
45-F Goats and Wolves
greedy
2500
45-E Director
constructive algorithms greedy
2000
45-D Event Dates
greedy meet-in-the-middle sortings
1900
45-C Dancing Lessons
data structures
1900
45-B School
dp dsu
2200
45-A Codecraft III
implementation
900
44-J Triminoes
constructive algorithms greedy
2000
44-I Toys
brute force combinatorics
2300
44-H Phone Number
dp
1700
44-G Shooting Gallery
data structures implementation
2500
44-F BerPaint
geometry graphs
2700
44-E Anfisa the Monkey
dp
1400
44-D Hyperdrive
math
1800
44-C Holidays
implementation
1300
44-B Cola
implementation
1500
44-A Indian Summer
implementation
900
43-E Race
brute force implementation two pointers
2300
43-D Journey
brute force constructive algorithms implementation
2000
43-C Lucky Tickets
greedy
1300
43-B Letter
implementation strings
1100
43-A Football
strings
1000
42-E Baldman and the military
dfs and similar graphs trees
2700
42-D Strange town
constructive algorithms math
2300
42-C Safe cracking
brute force constructive algorithms
2200
42-B Game of chess unfinished
implementation
1700
42-A Guilty --- to the kitchen!
greedy implementation
1400
41-E 3-cycles
constructive algorithms graphs greedy
1900
41-D Pawn
dp
1900
41-C Email address
expression parsing implementation
1300
41-B Martian Dollar
brute force
1400
41-A Translation
implementation strings
800