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# Problem Tags Rating Solved
178-D2 Magic Squares
1900
178-D1 Magic Squares
1500
178-C3 Smart Beaver and Resolving Collisions
2000
178-C2 Smart Beaver and Resolving Collisions
1900
178-C1 Smart Beaver and Resolving Collisions
1600
178-B3 Greedy Merchants
1800
178-B2 Greedy Merchants
1600
178-B1 Greedy Merchants
1600
178-A3 Educational Game
greedy
1100
178-A2 Educational Game
greedy
1000
178-A1 Educational Game
1000
177-G2 Fibonacci Strings
matrices strings
2600
177-G1 Fibonacci Strings
strings
2400
177-F2 Script Generation
2300
177-F1 Script Generation
1800
177-E2 Space Voyage
binary search
1900
177-E1 Space Voyage
binary search
1700
177-D2 Encrypting Messages
data structures
1500
177-D1 Encrypting Messages
brute force
1200
177-C2 Party
brute force dfs and similar dsu +1
1500
177-C1 Party
dfs and similar dsu graphs
1500
177-B2 Rectangular Game
number theory
1200
177-B1 Rectangular Game
number theory
1000
177-A2 Good Matrix Elements
implementation
800
177-A1 Good Matrix Elements
implementation
800
176-E Archaeology
data structures dfs and similar trees
3100
176-D Hyper String
dp
2500
176-C Playing with Superglue
combinatorics constructive algorithms
2000
176-B Word Cut
dp
1700
176-A Trading Business
greedy sortings
1200
175-F Gnomes of Might and Magic
data structures graphs implementation +1
3000
175-E Power Defence
brute force dp geometry +1
2600
175-D Plane of Tanks: Duel
brute force dp math +1
2400
175-C Geometry Horse
greedy implementation sortings +1
1600
175-B Plane of Tanks: Pro
implementation
1400
175-A Robot Bicorn Attack
brute force implementation
1400
174-C Range Increments
data structures greedy
1800
174-B File List
dp greedy implementation
1400
174-A Problem About Equation
math
1100
173-E Camping Groups
data structures sortings
2600
173-D Deputies
constructive algorithms graphs greedy +1
2500
173-C Spiral Maximum
brute force dp
1900
173-B Chamber of Secrets
dfs and similar shortest paths
1800
173-A Rock-Paper-Scissors
implementation math
1300
172-E BHTML+BCSS
*special dfs and similar expression parsing
2200
172-D Calendar Reform
*special number theory
1500
172-C Bus
*special implementation sortings
1500
172-B Pseudorandom Sequence Period
*special implementation number theory
1200
172-A Phone Code
*special brute force implementation
800
171-H A polyline
*special implementation
1700