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题号 状态 题目名称 通过率
CF1907F Shift and Reverse
CF1909A Distinct Buttons
CF1909B Make Almost Equal With Mod
CF1909C Heavy Intervals
CF1909D Split Plus K
CF1909E Multiple Lamps
CF1909F1 Small Permutation Problem (Easy Version)
CF1909F2 Small Permutation Problem (Hard Version)
CF1909G Pumping Lemma
CF1909H Parallel Swaps Sort
CF1909I Short Permutation Problem
CF1910A Username
CF1910B Security Guard
CF1910C Poisonous Swamp
CF1910D Remove and Add
CF1910E Maximum Sum Subarrays
CF1910F Build Railway Stations
CF1910G Pool Records
CF1910H Sum of Digits of Sums
CF1910I Inverse Problem