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# Problem Tags Rating Solved
1754-B Kevin and Permutation
constructive algorithms greedy math
800
1754-A Technical Support
greedy
800
1753-F Minecraft Series
brute force two pointers
3500
1753-E N Machines
binary search brute force greedy
3300
1753-D The Beach
constructive algorithms dfs and similar graphs +1
2400
1753-C Wish I Knew How to Sort
dp math probabilities
2000
1753-B Factorial Divisibility
math number theory
1600
1753-A2 Make Nonzero Sum (hard version)
constructive algorithms dp greedy
1500
1753-A1 Make Nonzero Sum (easy version)
constructive algorithms dp greedy
1300
1750-H BinaryStringForces
constructive algorithms data structures dp
3500
1750-G Doping
combinatorics dp math
3300
1750-F Majority
combinatorics dp math +1
2700
1750-E Bracket Cost
binary search data structures divide and conquer +3
2400
1750-D Count GCD
combinatorics math number theory
1800
1750-C Complementary XOR
constructive algorithms implementation
1400
1750-B Maximum Substring
brute force greedy implementation
800
1750-A Indirect Sort
constructive algorithms implementation math
800
1749-F Distance to the Path
data structures dfs and similar trees
2800
1749-E Cactus Wall
constructive algorithms dfs and similar graphs +1
2400
1749-D Counting Arrays
combinatorics dp math +1
1900
1749-C Number Game
binary search data structures games +2
1400
1749-B Death's Blessing
greedy
900
1749-A Cowardly Rooks
greedy implementation
800
1748-F Circular Xor Reversal
bitmasks constructive algorithms
3000
1748-E Yet Another Array Counting Problem
binary search data structures divide and conquer +4
2300
1748-D ConstructOR
bitmasks chinese remainder theorem combinatorics +3
2100
1748-C Zero-Sum Prefixes
brute force data structures dp +2
1600
1748-B Diverse Substrings
brute force implementation strings
1400
1748-A The Ultimate Square
math
800
1747-E List Generation
combinatorics dp math
2900
1747-D Yet Another Problem
binary search bitmasks constructive algorithms +1
1900
1747-C Swap Game
games
1200
1747-B BAN BAN
constructive algorithms
900
1747-A Two Groups
constructive algorithms greedy
800
1746-G Olympiad Training
binary search data structures dp +4
3500
1746-F Kazaee
data structures hashing probabilities
2800
1746-E2 Joking (Hard Version)
dp interactive
3200
1746-E1 Joking (Easy Version)
binary search constructive algorithms interactive +1
2500
1746-D Paths on the Tree
dfs and similar dp greedy +2
1900
1746-C Permutation Operations
constructive algorithms greedy implementation +1
1300
1746-B Rebellion
constructive algorithms greedy two pointers
800
1746-A Maxmina
constructive algorithms greedy
800
1744-F MEX vs MED
math two pointers
2000
1744-E2 Divisible Numbers (hard version)
brute force math number theory
1900
1744-E1 Divisible Numbers (easy version)
brute force math number theory
1500
1744-D Divisibility by 2^n
greedy math sortings
1200
1744-C Traffic Light
binary search implementation two pointers
1000
1744-B Even-Odd Increments
implementation math
800
1744-A Number Replacement
greedy implementation
800
1743-G Antifibonacci Cut
bitmasks combinatorics constructive algorithms +4
3000