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# Problem Tags Rating Solved
1186-A Vus the Cossack and a Contest
implementation
800
1185-G2 Playlist for Polycarp (hard version)
combinatorics dp
2600
1185-G1 Playlist for Polycarp (easy version)
bitmasks combinatorics dp
2100
1185-F Two Pizzas
bitmasks brute force
2100
1185-E Polycarp and Snakes
brute force implementation
2000
1185-D Extra Element
implementation math
1700
1185-C2 Exam in BerSU (hard version)
brute force data structures greedy +1
1700
1185-C1 Exam in BerSU (easy version)
greedy sortings
1200
1185-B Email from Polycarp
implementation strings
1200
1185-A Ropewalkers
math
800
1184-E3 Daleks' Invasion (hard)
data structures dsu graphs +1
2400
1184-E2 Daleks' Invasion (medium)
dfs and similar graphs shortest paths +1
2100
1184-E1 Daleks' Invasion (easy)
graphs trees
1900
1184-D2 Parallel Universes (Hard)
math matrices
3100
1184-D1 Parallel Universes (Easy)
implementation
1600
1184-C3 Heidi and the Turing Test (Hard)
3200
1184-C2 Heidi and the Turing Test (Medium)
data structures
2200
1184-C1 Heidi and the Turing Test (Easy)
implementation
1600
1184-B3 The Doctor Meets Vader (Hard)
flows shortest paths
2700
1184-B2 The Doctor Meets Vader (Medium)
flows graph matchings graphs +2
2200
1184-B1 The Doctor Meets Vader (Easy)
binary search sortings
1400
1184-A3 Heidi Learns Hashing (Hard)
fft math number theory
3100
1184-A2 Heidi Learns Hashing (Medium)
brute force number theory
2100
1184-A1 Heidi Learns Hashing (Easy)
brute force math number theory
1200
1183-H Subsequences (hard version)
dp strings
1900
1183-G Candy Box (hard version)
greedy implementation sortings
2000
1183-F Topforces Strikes Back
brute force math sortings
2100
1183-E Subsequences (easy version)
dp graphs implementation +1
2000
1183-D Candy Box (easy version)
greedy sortings
1400
1183-C Computer Game
binary search math
1400
1183-B Equalize Prices
math
900
1183-A Nearest Interesting Number
implementation
800
1182-F Maximum Sine
binary search data structures number theory
2700
1182-E Product Oriented Recurrence
dp math matrices +1
2300
1182-D Complete Mirror
constructive algorithms dfs and similar dp +3
2400
1182-C Beautiful Lyrics
data structures greedy strings
1700
1182-B Plus from Picture
dfs and similar implementation strings
1300
1182-A Filling Shapes
dp math
1000
1181-E2 A Story of One Country (Hard)
brute force greedy sortings
3000
1181-E1 A Story of One Country (Easy)
brute force divide and conquer sortings
2500
1181-D Irrigation
binary search data structures implementation +3
2200
1181-C Flag
brute force combinatorics dp +1
1900
1181-B Split a Number
greedy implementation strings
1500
1181-A Chunga-Changa
greedy math
1000
1180-B Nick and Array
greedy implementation
1500
1180-A Alex and a Rhombus
dp implementation math
800
1179-E Alesya and Discrete Math
divide and conquer interactive
3200
1179-D Fedor Runs for President
data structures dp trees
2700
1179-C Serge and Dining Room
binary search data structures graph matchings +4
2200
1179-B Tolik and His Uncle
constructive algorithms
1800