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Additional Practice for USACO Silver

Author: Nathan Wang

Final tips for Silver and additional practice problems.

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What Now?

After completing this section on the USACO Guide, you should be comfortable with the topics that have historically appeared in the USACO Silver division. In order to maximize your chance at promoting, you should aim to practice by doing more problems.

Uncategorized Problems

Below we list some problems that we think are roughly Silver level but don't really fit in previous modules. The difficulties listed here are relative to the Silver division (difficulty is subjective and isn't always accurate though). We'll be expanding this list as we get more problem suggestions.

StatusSourceProblem NameDifficultyTags
CSES
Range XOR Queries
Easy
Show TagsPrefix Sums
CF
Mixing Water
Easy
Show TagsBinary Search
CEOI
2012 - Job Scheduling
Easy
Show TagsBinary Search
CF
Magazine Ad
Easy
Show Tags2P, Binary Search, Greedy
CF
Cutting Out
Easy
Show TagsBinary Search
CF
Save the Nature
Normal
Show TagsBinary Search, Sorting
AC
Pond
Normal
Show TagsBinary Search, Prefix Sums
CCC
Firehose
Normal
Show TagsBinary Search
Silver
Circular Barn - The Game
Normal
Show TagsGames, NT
Old Gold
Sabotage
Normal
Show TagsBinary Search
CF
Firecrackers
Normal
Show TagsBinary Search, Sorting
CF
Min Max Sort
Normal
Show TagsBinary search, Two pointers
CF
Three Base Stations
Normal
Show TagsBinary Search, 2P
CF
To Become Max
Normal
Show TagsBinary Search
CF
Big Brush
Normal
Show TagsAd Hoc, Greedy
CF
Replace the Numbers
Normal
Show TagsSorting
CF
Friendly Spiders
Normal
Show TagsBFS, Graphs, Number theory, shortest path
CF
Restore Graph
Normal
Show TagsBFS
CF
Counting Rectangles
Normal
Show TagsPrefix Sums
CF
Minimax Problem
Hard
Show TagsBinary Search, Bitmasks
AC
Fennec VS. Snuke
Hard
Show TagsGames, Trees
CEOI
2010 - A Huge Tower
Hard
Show Tags2P, Sorting
CF
MEX vs MED
Hard
Show Tags2P, Greedy
CF
Giving Awards
Hard
Show TagsDFS
CF
Carrots for rabbits
Very Hard
Show TagsPriority queue, math

Final Thoughts

Refer to our FAQ to find more problems to practice. You may also find the How to Practice module worth reading. Best of luck on future contests!

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