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# Problem Tags Rating Solved
1090-B LaTeX Expert
1900
1090-A Company Merging
greedy
1300
1089-M Minegraphed
constructive algorithms graphs
2400
1089-L Lazyland
900
1089-K King Kog's Reception
data structures
2400
1089-J JS Minification
greedy implementation
3200
1089-I Interval-Free Permutations
combinatorics
2600
1089-H Harder Satisfiability
2-sat dfs and similar graphs
3400
1089-G Guest Student
math
1500
1089-F Fractions
math
1900
1089-E Easy Chess
constructive algorithms
1700
1089-D Distance Sum
graphs
3100
1089-C Cactus Search
interactive
2500
1089-B Bimatching
graphs
3200
1089-A Alice the Fan
dp
2200
1088-F Ehab and a weird weight formula
data structures trees
2800
1088-E Ehab and a component choosing problem
dp greedy math +1
2400
1088-D Ehab and another another xor problem
bitmasks constructive algorithms implementation +1
2000
1088-C Ehab and a 2-operation task
constructive algorithms greedy math
1400
1088-B Ehab and subtraction
implementation sortings
1000
1088-A Ehab and another construction problem
brute force constructive algorithms
800
1086-F Forest Fires
math
3500
1085-G Beautiful Matrix
combinatorics data structures dp
2900
1085-F Rock-Paper-Scissors Champion
2500
1085-E Vasya and Templates
greedy implementation strings
2300
1085-D Minimum Diameter Tree
constructive algorithms implementation trees
1700
1085-C Connect Three
implementation math
1600
1085-B Div Times Mod
math
1100
1085-A Right-Left Cipher
implementation strings
800
1084-C The Fair Nut and String
combinatorics dp implementation
1500
1084-B Kvass and the Fair Nut
greedy implementation
1200
1084-A The Fair Nut and Elevator
brute force implementation
1000
1083-F The Fair Nut and Amusing Xor
data structures
3300
1083-E The Fair Nut and Rectangles
data structures dp geometry
2400
1083-D The Fair Nut's getting crazy
data structures implementation
3500
1083-C Max Mex
data structures trees
2900
1083-B The Fair Nut and Strings
greedy strings
2000
1083-A The Fair Nut and the Best Path
data structures dp trees
1800
1082-G Petya and Graph
flows graphs
2400
1082-F Speed Dial
dp strings trees
2800
1082-E Increasing Frequency
binary search dp greedy
2000
1082-D Maximum Diameter Graph
constructive algorithms graphs implementation
1800
1082-C Multi-Subject Competition
greedy sortings
1600
1082-B Vova and Trophies
greedy
1600
1082-A Vasya and Book
implementation math
1200
1081-H Palindromic Magic
data structures hashing strings
3500
1081-G Mergesort Strikes Back
math probabilities
3200
1081-F Tricky Interactor
constructive algorithms implementation interactive
2600
1081-E Missing Numbers
binary search constructive algorithms greedy +2
1900
1081-D Maximum Distance
dsu graphs shortest paths +1
1800