Problems

Perfect Binary Trees

ID: usaco-2026-open-platinum-3

Haybale Stacks

ID: usaco-2026-open-platinum-2

Arranging Cows

ID: usaco-2026-open-platinum-1

Min Max Subarrays II

ID: usaco-2026-third-platinum-3

All Pairs Shortest Paths

ID: usaco-2026-third-platinum-1

Random Tree Generation

ID: usaco-2026-third-gold-3

Good Cyclic Shifts

ID: usaco-2026-third-gold-1

Point Elimination

ID: usaco-2026-third-silver-3

Milk Buckets

ID: usaco-2026-third-silver-2

Clash!

ID: usaco-2026-third-silver-1

Swap to Win

ID: usaco-2026-third-bronze-3

Strange Function

ID: usaco-2026-third-bronze-2

Make All Distinct

ID: usaco-2026-third-bronze-1

Dynamic Instability

ID: usaco-2026-second-platinum-3

Cow Circle

ID: usaco-2026-second-platinum-2

Circle of Cows

ID: usaco-2026-second-platinum-1

The Chase

ID: usaco-2026-second-gold-3

Lexicographically Smallest Path

ID: usaco-2026-second-gold-2

Balancing the Barns

ID: usaco-2026-second-gold-1

Farmer John Loves Rotations

ID: usaco-2026-second-silver-3

Declining Invitations

ID: usaco-2026-second-silver-2

Purchasing Milk

ID: usaco-2026-second-bronze-3

Moo Hunt

ID: usaco-2026-second-bronze-2

It's Mooin' Time IV

ID: usaco-2026-second-bronze-1

Pluses and Minuses

ID: usaco-2026-first-platinum-3