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3 problems · filtered by 3 tags
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2159C
Twin Polynomials
combinatorics
graph matchings
math
+
2300
2.7k
1657E
Star MST
combinatorics
dp
graph matchings
math
+
2200
2.5k
1651E
Sum of Matchings
brute force
combinatorics
constructive algorithms
dfs and similar
graph matchings
greedy
math
+
2600
669
showing 1–3 of 3