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3 problems · filtered by 4 tags
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1967C
Fenwick Tree
bitmasks
brute force
combinatorics
data structures
dp
math
trees
+
2300
2.3k
1777D
Score of a Tree
bitmasks
combinatorics
dfs and similar
dp
math
probabilities
trees
+
1900
4.9k
1299D
Around the World
bitmasks
combinatorics
dfs and similar
dp
graphs
math
trees
+
3000
652
showing 1–3 of 3