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# Problem Tags Rating Solved
1792-A GamingForces
greedy sortings
800
1791-G2 Teleporters (Hard Version)
binary search greedy sortings
1900
1791-G1 Teleporters (Easy Version)
greedy sortings
1100
1791-F Range Update Point Query
binary search brute force data structures
1500
1791-E Negatives and Positives
dp greedy sortings
1100
1791-D Distinct Split
brute force greedy strings
1000
1791-C Prepend and Append
implementation two pointers
800
1791-B Following Directions
geometry implementation
800
1791-A Codeforces Checking
implementation strings
800
1790-G Tokens on Graph
constructive algorithms dfs and similar graphs +1
2300
1790-F Timofey and Black-White Tree
brute force dfs and similar divide and conquer +5
2100
1790-E Vlad and a Pair of Numbers
bitmasks constructive algorithms
1400
1790-D Matryoshkas
data structures greedy sortings
1200
1790-C Premutation
brute force implementation math
1000
1790-B Taisia and Dice
greedy math
800
1790-A Polycarp and the Day of Pi
implementation math strings
800
1789-F Serval and Brain Power
bitmasks brute force dp +3
2700
1789-E Serval and Music Game
brute force dp implementation +2
2500
1789-D Serval and Shift-Shift-Shift
bitmasks brute force constructive algorithms +1
2200
1789-C Serval and Toxel's Arrays
combinatorics dp implementation +1
1500
1789-B Serval and Inversion Magic
brute force implementation strings +1
800
1789-A Serval and Mocha's Array
brute force math number theory
800
1788-F XOR, Tree, and Queries
bitmasks constructive algorithms dfs and similar +5
2500
1788-E Sum Over Zero
data structures dfs and similar dp
2200
1788-D Moving Dots
binary search brute force combinatorics +2
2000
1788-C Matching Numbers
constructive algorithms greedy math
1300
1788-B Sum of Two Numbers
constructive algorithms greedy implementation +2
1100
1788-A One and Two
brute force implementation math
800
1787-I Treasure Hunt
data structures divide and conquer two pointers
3400
1787-H Codeforces Scoreboard
binary search data structures dp +1
3300
1787-G Colorful Tree Again
brute force data structures trees
3000
1787-F Inverse Transformation
constructive algorithms implementation math
2500
1787-E The Harmonization of XOR
bitmasks constructive algorithms greedy +1
2100
1787-D Game on Axis
combinatorics dfs and similar dsu +2
1900
1787-C Remove the Bracket
dp greedy math
1600
1787-B Number Factorization
greedy math number theory
1100
1787-A Exponential Equation
constructive algorithms math
800
1786-B Cake Assembly Line
brute force sortings
1300
1786-A2 Alternating Deck (hard version)
implementation
800
1786-A1 Non-alternating Deck (easy version)
implementation
800
1784-F Minimums or Medians
3400
1784-E Infinite Game
brute force combinatorics dp +2
3100
1784-D Wooden Spoon
combinatorics dp
2400
1784-C Monsters (hard version)
data structures greedy
2200
1784-B Letter Exchange
constructive algorithms
1900
1784-A Monsters (easy version)
brute force greedy
1000
1783-G Weighed Tree Radius
data structures divide and conquer implementation +1
2800
1783-F Double Sort II
dfs and similar flows graph matchings +1
2500
1783-E Game of the Year
brute force data structures math +1
2300
1783-D Different Arrays
brute force dp implementation
2000