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# Problem Tags Rating Solved
567-F Mausoleum
dp
2400
567-E President and Roads
dfs and similar graphs hashing +1
2200
567-D One-Dimensional Battle Ships
binary search data structures greedy +1
1700
567-C Geometric Progression
binary search data structures dp
1700
567-B Berland National Library
implementation
1300
567-A Lineland Mail
greedy implementation
900
566-G Max and Min
geometry
2500
566-F Clique in the Divisibility Graph
dp math number theory
1500
566-E Restoring Map
bitmasks constructive algorithms trees
3200
566-D Restructuring Company
data structures dsu
1900
566-C Logistical Questions
dfs and similar divide and conquer trees
3000
566-B Replicating Processes
constructive algorithms greedy
2600
566-A Matching Names
dfs and similar strings trees
2300
560-B Gerald is into Art
constructive algorithms implementation
1200
560-A Currency System in Geraldion
implementation sortings
1000
559-E Gerald and Path
dp sortings
3000
559-D Randomizer
combinatorics geometry probabilities
2800
559-C Gerald and Giant Chess
combinatorics dp math +1
2200
559-B Equivalent Strings
divide and conquer hashing sortings +1
1700
559-A Gerald's Hexagon
brute force geometry math
1600
558-E A Simple Task
data structures sortings strings
2300
558-D Guess Your Way Out! II
data structures implementation sortings
2300
558-C Amr and Chemistry
brute force graphs greedy +2
1900
558-B Amr and The Large Array
implementation
1300
558-A Lala Land and Apple Trees
brute force implementation sortings
1100
557-E Ann and Half-Palindrome
data structures dp graphs +3
2300
557-D Vitaly and Cycle
combinatorics dfs and similar graphs +1
2000
557-C Arthur and Table
brute force data structures dp +3
1900
557-B Pasha and Tea
constructive algorithms implementation math +1
1500
557-A Ilya and Diplomas
greedy implementation math
1100
556-B Case of Fake Numbers
brute force implementation
1100
556-A Case of the Zeros and Ones
greedy
900
555-E Case of Computer Network
dfs and similar graphs trees
2800
555-D Case of a Top Secret
binary search implementation math
2500
555-C Case of Chocolate
data structures
2200
555-B Case of Fugitive
data structures greedy sortings
2000
555-A Case of Matryoshkas
implementation
1500
554-B Ohana Cleans Up
brute force greedy strings
1200
554-A Kyoya and Photobooks
brute force math strings
900
553-E Kyoya and Train
dp fft graphs +2
3200
553-D Nudist Beach
binary search graphs greedy
2300
553-C Love Triangles
dfs and similar dsu graphs
2200
553-B Kyoya and Permutation
binary search combinatorics constructive algorithms +3
1900
553-A Kyoya and Colored Balls
combinatorics dp math
1500
552-E Vanya and Brackets
brute force dp expression parsing +3
2100
552-D Vanya and Triangles
brute force combinatorics data structures +3
1900
552-C Vanya and Scales
brute force dp greedy +3
1900
552-B Vanya and Books
implementation math
1200
552-A Vanya and Table
implementation math
1000
551-E GukiZ and GukiZiana
binary search data structures implementation
2500