Problem Set - OpenJudge

	ID	Problem
	20602	P7407 Unique‐Color Graph Traversal
	20603	P7408 Minimum Coins for Floor Advancement
	20604	P7409 Suffix Pair LCP Sum
	20605	P7410 Counting Submatrices with Minimum Green Value Equal to 100
	20606	P7411 Comfortable Cows Chain Reaction
	20607	P7412 Time-Traveling Ancestors Visit
	20608	P7413 Winning First Moves in Divisor Stone Game
	20609	P7414 Minimal Brush Strokes for 1D Painting
	20610	P7415 Counting Diagonal Cows
	20611	P7416 Minimum Brush Strokes
	20612	P7417 Minimum Edge Graph Copy
	20613	P7418 Graph Replication Count
	20614	P7419 Sum of LCA Values in a Complete Binary Tree
	20615	P7420 String Splitting with Strictly Increasing Substring Occurrences
	20616	P7421 Maximizing Weighted Difference Sum in a Subsequence
	20617	P7422 ION Attraction
	20618	P7423 Expected Weighted Sum on Random Sequences
	20619	P7424 Bullet Board Break
	20620	P7425 Flight Gate Scheduling
	20621	P7426 Calculation of College Freshman Physical Education Grades
	20622	P7427 Game Score Partitioning Problem
	20623	P7428 Relaxed 4-Coloring of Graph
	20624	P7429 Generalized Convex Hull Volume
	20625	P7430 Maximizing God Onion’s Evaluation
	20626	P7431 Magic Transformation Sequence
	20627	P7432 Toy Shop Delight
	20628	P7433 High-Speed Road XOR
	20629	P7434 Unique Path Cost on a Geometric Tree
	20630	P7435 Permutation Inversions and Weighted Sum
	20631	P7436 Counting Valid Rectangles
	20632	P7437 Mandatory Passage
	20633	P7438 Derangements and Cycle Polynomial Sum
	20634	P7439 Sum Over Derangements with Cycle-Dependent Polynomial Weight
	20635	P7440 Sum over Derangements with Cycle Polynomial
	20636	P7441 Maximizing Erzähler Operations
	20637	P7442 Sequence Transformation Maintenance
	20638	P7443 Winning Move in the Tree Game
	20639	P7444 Counting Permutations by Segment MEX Conditions
	20640	P7445 Expected Number of Pushdowns in Lazy Segment Tree
	20641	P7446 Dynamic Tree LCA with Updates
	20642	P7447 Conditional Subtraction and Range Query
	20643	P7448 Inversion Count Queries
	20644	P7449 Directed Segment Coverage
	20645	P7450 Sharing the Chocolate
	20646	P7451 Counting Perfect Square Product Subsets
	20647	P7452 Optimal Seating Assignment
	20648	P7453 Magic Crystal Balls
	20649	P7454 Coloring the Circular Regions
	20650	P7455 Common Tangent Hyperplanes of K Spheres
	20651	P7456 Oscar's Ransom Note
	20652	P7457 The Bridge on the River Delta
	20653	P7458 Cage Rabbit Propagation
	20654	P7459 Reservoir Dog
	20655	P7460 Cable Car Installation
	20656	P7461 Incredible Hull
	20657	P7462 Shooter Island Navigation
	20658	P7463 Helipad Steiner Connection
	20659	P7464 The Silence of the Lamps
	20660	P7465 Find the Trinity
	20661	P7466 Red Particle Reflection
	20662	P7467 Game of Stones
	20663	P7468 Scoring the Bonus Levels
	20664	P7469 Matching Block Sequences
	20665	P7470 Island Adventure: Counting Happy Explorations
	20666	P7471 Cake Cutting
	20667	P7472 Two Pac‐Men Bean Feast
	20668	P7473 Gravity Balls Convergence
	20669	P7474 Idea Exchange and Competition Connectivity
	20670	P7475 Simplified Input Method
	20671	P7476 Memories of Bitterness
	20672	P7477 Partitioning Sequence into Two Multisets
	20673	P7478 Lexicographically Greater Swap
	20674	P7479 Determining the Life Status of a Black Go Group
	20675	P7480 Minimum Fuel Cost
	20676	P7481 XOR of Binomial Sum
	20677	P7482 Sum of Maximum Non‐Adjacent Subsequence Sums
	20678	P7483 Expected Competition Bonus
	20679	P7484 Disjoint Chain and Interval
	20680	P7485 The Last Salvaged Maple Leaf
	20681	P7486 Obstacle Value of Dependency Products
	20682	P7487 Absolute Degree and Irrelevance Degree
	20683	P7488 Memory Weaving
	20684	P7489 Nested Subset Weight Sum
	20685	P7490 Dandelion Indignation
	20686	P7491 Dandelion Game with Re‐grouping
	20687	P7492 Sequence and Bitwise OR Operations
	20688	P7493 Inns on the Road
	20689	P7494 Identifying the Cake-Stealing Pig
	20690	P7495 Divine Loyalty Test
	20691	P7496 Mixing Drinks and Variance
	20692	P7497 Thrilling Program Transformations
	20693	P7498 Norton’s Magnetic Cave Quest
	20694	P7499 Counting Pairs with Target Sum
	20695	P7500 Metro Passenger Flow
	20696	P7501 Non‐Intersecting Production Ranges Arrangement
	20697	P7502 Multiset XOR Queries
	20698	P7503 Cheating Exam Segments
	20699	P7504 Coprime Summation Challenge
	20700	P7505 Moving Terracotta Warriors on a Number Line
	20701	P7506 Simulating the Cryptic Card Game

Pick a problem randomly based on the current filter.