Problems

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combinatorics math

greedy implementation strings

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graphs shortest paths

constructive algorithms dfs and similar graphs +2

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dfs and similar dsu implementation +2

binary search dfs and similar divide and conquer +2

binary search data structures

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geometry

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brute force implementation

trees

data structures probabilities

combinatorics dp

constructive algorithms data structures dfs and similar +2

combinatorics greedy math +2

brute force graphs math +1

combinatorics dp math +1

dfs and similar dp graphs +2

brute force greedy implementation

implementation

dp

math number theory

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brute force

data structures

binary search brute force combinatorics +2

binary search implementation math

dp math

brute force implementation

brute force implementation

implementation

dfs and similar dp graphs +1

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dp implementation

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implementation

data structures dp sortings

data structures divide and conquer implementation +1

brute force combinatorics greedy +1

binary search data structures divide and conquer +2