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6,362 Problems. One Archive.
A challenge for every curious mind.

Explore decades of Topcoder problems. Read the statements, study the examples, and put your skills to the test.

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TwiceTwiceTree

TCOTCO 2014 Semifinal 2• 26 Mar 2014
Graph TheoryMathRecursion
Div 1 · Hard
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MagicalRocketCar

TCOTCO 2014 Finals• 26 Mar 2014
Dynamic ProgrammingGreedySorting
Div 1 · Medium
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PlankTiling

TCOTCO 2014 Semifinal 2• 26 Mar 2014
Dynamic ProgrammingSimple Math
Div 1 · Easy
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TreeDistance

TCOTCO14 Parallel Round 3B• 26 Mar 2014
Dynamic ProgrammingGraph TheoryMath
Div 1 · Hard
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OnePointNineNine

TCOTCO14 Parallel Round 3B• 26 Mar 2014
Dynamic ProgrammingGeometryGraph TheoryMath
Div 1 · Medium
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RoadsReform

TCOTCO 2014 Semifinal 2• 26 Mar 2014
Graph Theory
Div 1 · Medium
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LoopyPath

TCOTCO 2014 Finals• 26 Mar 2014
Graph Theory
Div 1 · Easy
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BrightLamps

TCOTCO14 Round 3A• 26 Mar 2014
Math
Div 1 · Easy
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RandomFlights

TCOTCO14 Round 3A• 26 Mar 2014
Dynamic ProgrammingGraph TheoryMath
Div 1 · Medium
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ZooExchangeProgram

TCOTCO 2014 Semifinal 1• 26 Mar 2014
Brute ForceDynamic ProgrammingSimple SearchIteration
Div 1 · Easy
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1661–1670 of 6,362 problems

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