TopcoderArchive

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.

Explore the problems

ChangingString

SRMSRM 341• 10 Mar 2007
Brute ForceString Manipulation
Div 2 · Easy
View

LandAndSea

SRMSRM 341• 10 Mar 2007
Graph TheorySearch
Div 1 · MediumDiv 2 · Hard
View

KLastNonZeroDigits

SRMSRM 341• 10 Mar 2007
Simple Math
Div 1 · EasyDiv 2 · Medium
View

ValidPlates

SRMSRM 341• 10 Mar 2007
Dynamic ProgrammingGeometryMath
Div 1 · Hard
View

SortingInIterations

TCOTCO07 Round 4• 7 Mar 2007
Simple MathSimple SearchIteration
Div 1 · Medium
View

PolishNotation

TCOTCO07 Round 4• 7 Mar 2007
Dynamic ProgrammingMathString Manipulation
Div 1 · Easy
View

SquareCypher

TCOTCO07 Round 1C• 7 Mar 2007
Simulation
Div 1 · Easy
View

AmbiguousWatch

TCOTCO07 Round 1B• 7 Mar 2007
Advanced MathGeometry
Div 1 · Hard
View

AntiPalindrome

TCOTCO07 Round 1B• 7 Mar 2007
Simple MathSimple SearchIterationString Manipulation
Div 1 · Easy
View

RaceTrack

TCOTCO07 Round 1C• 7 Mar 2007
GreedySearch
Div 1 · Medium
View
3431–3440 of 6,362 problems

These pages preserve content from retired Topcoder services. Problem pages include public learning material; member submissions and performance data are not published.