Problem Set - OpenJudge

	ID	Problem
	21002	P7817 GCD Invariance in 7-9 Strings
	21003	P7818 Lexicographically Smallest Permutation with Exactly K Adjacent Swaps
	21004	P7819 Matrix Submatrix K-ary XOR Sum
	21005	P7820 Constrained Binary Sequence
	21006	P7821 Maximum and Minimum Points for Team A in a Football Series
	21007	P7822 Learning Arrangement
	21008	P7823 Alarm Clock Adjustment
	21009	P7824 Poisoned Water Bottle Interactive Problem
	21010	P7825 VS String Queries
	21011	P7826 Dynamic Tree Maintenance with Subtree Updates and Queries
	21012	P7827 Stack Machine Assembly Tasks
	21013	P7828 Counting Minimum Adjacent Swaps in Custom Sort
	21014	P7829 Strange Base-k Representation
	21015	P7830 Dark Maze
	21016	P7831 Infinite Traveling Salesman
	21017	P7832 BFS Tour Road Construction
	21018	P7833 Minimizing Road Crossings in a Circular Town
	21019	P7834 Graph Query with Edge Weight Constraints
	21020	P7835 Mystia's Dilemma
	21021	P7836 Mystia’s Backpack Collection Optimization
	21022	P7837 Identifying Special Customers
	21023	P7838 Maximizing the Longest Consecutive Rating Sequence
	21024	P7839 Minimizing Flight Points
	21025	P7840 Minimizing Server Network Running Time
	21026	P7841 Tree Path Game
	21027	P7842 Revamped Explorer's Notes
	21028	P7843 Consistent Boolean Segmentation
	21029	P7844 Repeated Discrete Fourier Transform
	21030	P7845 DAG Maze Game: Expected Reward
	21031	P7846 Assignment of Ancestor Sigils
	21032	P7847 Alpha Equation Solutions Count and Specific Solution
	21033	P7848 Discovering the Correct Answers in the Quiz
	21034	P7849 Find the Common Difference of an Arithmetic Sequence
	21035	P7850 Sum of Tree Values in Varying Morphologies
	21036	P7851 Signal Tower Strengths
	21037	P7852 Lexicographically Maximum Permutation with Limited Swaps
	21038	P7853 Maximizing Binary Addition Flip Costs
	21039	P7854 Constructing a GCD Conforming Tree
	21040	P7855 Maximizing Excellence by Swapping Temporary Persons
	21041	P7856 Make x a Mode
	21042	P7857 Counting Labeled Forests with a Fixed Number of Binary Trees
	21043	P7858 Nine-Key Dictionary Input
	21044	P7859 Geppetto's Pizza
	21045	P7860 Stick Movement Ordering
	21046	P7861 Loda Mind Transmission
	21047	P7862 Minimum Road Length for Divisible County Subset
	21048	P7863 Charlie’s Journey: Minimizing Flight Moves and Energy Consumption
	21049	P7864 Optimal Leaf‐Plucking Tree Game
	21050	P7865 Drone Coverage Verification
	21051	P7866 Maximize Little Xinxin Pairs
	21052	P7867 Maximizing Net Profit on a Performance Street
	21053	P7868 Subarray Average Threshold
	21054	P7869 Determine the Source System of a Text File
	21055	P7870 Colorful Dango Stack Simulation
	21056	P7871 Energy Transmission of the Philosopher's Stones
	21057	P7872 Maximizing Traveler Joy in the DiLing Palace
	21058	P7873 Non-Dominated Score Matrix Construction
	21059	P7874 Maximizing Account Safety Sum
	21060	P7875 IOI 2077 Team Selection Expected Teammate Sum
	21061	P7876 Score Table Reconstruction
	21062	P7877 Spider Solitaire: Consolidation Moves and Card Move Counts
	21063	P7878 Maximizing Account Safety Index
	21064	P7879 Readable Text Queries
	21065	P7880 Distinct LCA Depth Sums in a Tree
	21066	P7881 Semigroup Grid Updates and Queries
	21067	P7882 Majority Subsegment Sum Query
	21068	P7883 Closest Pair Distance
	21069	P7884 Count Primes
	21070	P7885 Moving the Shield Machine
	21071	P7886 Connected K-Block Coloring of a Grid
	21072	P7887 Reconstructing the Sequence
	21073	P7888 Sum of Distinct Subsequences over All Subsequences
	21074	P7889 Maximum Connected Subtree Sum After Global Increase
	21075	P7890 Product of Binomial Subset Counts Modulo p
	21076	P7891 Coin Game with Wallets
	21077	P7892 Fenced Pastures
	21078	P7893 Maximizing White Chess Pieces
	21079	P7894 Checker Leap Simulation
	21080	P7895 Interactive Tree Weight Sum
	21081	P7896 Moke's Game: Counting Valid Game Sequences
	21082	P7897 Maximum Subtree Sum in Modified Tree
	21083	P7898 Interactive Sequence Maintenance and Set Operations
	21084	P7899 Matrix Query and Update
	21085	P7900 Counting Intersection Points of Diagonals in a Convex Polygon
	21086	P7901 Minimum Visits to a Special Point in a Grid
	21087	P7902 Construct a Sequence with Specific Gap Constraints
	21088	P7903 Unique Tree Construction with Mismatched Centroid and Diameter Center
	21089	P7904 Shortest Time to Exit the Rural Road Network
	21090	P7905 Constructing a Third Type of Combatant
	21091	P7906 Count Pairs with XOR Condition
	21092	P7907 Minimum Covering Subinterval Query
	21093	P7908 Minimum Operations to Transform Sequence
	21094	P7909 Candy Distribution Reward
	21095	P7910 Insertion Sort Homework Query
	21096	P7911 TCP/IP Simplified Network Connection
	21097	P7912 Fruit Basket Simulation
	21098	P7913 Optimizing Jet Bridge Allocation
	21099	P7914 Counting Super Parentheses Sequences
	21100	P7915 Palindromic Deque Operations
	21101	P7916 Minimum Edge Weight Cut in a Colored Grid

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