Year 
MCM 
ICM 
HiMCM 
Results 
1985 
Problem A:
The Strategic Reserve Problem
Problem B:
The Animal
Population Problem

_______ 
_______ 
MCM
Problem A
MCM Problem B 
1986 
Problem A:
The
Hydrographic Data Problem
Problem B:
The EmergencyFacilities Location Problem 
_______ 
_______ 
MCM Problem A
MCM Problem B 
1987 
Problem A:
The Salt Storage
Problem
Problem B:
The Parking Lot Problem 
_______ 
_______ 
MCM
Problem A
MCM Problem B 
1988

Problem A:
The
Drug Runner Problem
Problem B:
The Railroad Flatcar Problem 
_______ 
______ 
MCM Problem A
MCM Problem B 
1989 
Problem A:
The Midge
Classification Problem
Problem B:
The Aircraft Queueing Problem 
_______ 
_______ 
MCM
Problem A
MCM Problem B 
1990 
Problem A:
The
BrainDrug Problem
Problem B:
The Snowplow Problem 
_______ 
_______ 
MCM Problem A
MCM Problem B 
1991 
Problem A:
The Steiner Tree
Problem
Problem B:
The Water Tank Problem 
_______ 
_______ 
MCM
Problem A
MCM Problem B 
1992 
Problem A:
The
Emergency PowerRestoration Problem
Problem B:
The AirTrafficControl Radar Problem 
_______ 
_______ 
MCM Problem A
MCM Problem B 
1993 
Problem A:
The CoalTipple
Operations Problem
Problem B:
The Optimal Composting Problem 
_______ 
_______ 
MCM
Problem A
MCM Problem B 
1994 
Problem A:
The
Communications Network Problem
Problem B:
The Concrete Slab Problem 
_______ 
_______ 
MCM Problem A
MCM Problem B 
1995 
Problem A:
The Single Helix
Problem B:
Aluacha Balaclava College 
_______ 
_______ 
MCM Problem A
MCM Problem B 
1996 
Problem A:
The Submarine Detection Problem
Problem B:
The Contest Judging Problem 
_______ 
_______ 
MCM Problem A
MCM Problem B 
1997 
Problem A:
The Velociraptor Problem
Problem B:
Mix Well For Fruitful Discussions 
_______ 
_______ 
MCM Problem A
MCM Problem B 
1998 
Problem A:
The Scanner Problem
Problem B:
The Grade Inflation Problem

_______ 
_______ 
MCM Problem A
MCM Problem B 
1999 
Problem A:
Deep Impact
Problem B:
Unlawful Assembly 
Ground Pollution 
Traffic Lights 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2000 
Problem A:
Air Traffic Control
Problem B:
Radio Channel Assignments 
Elephants: When is Enough,
Enough? 
Problem A:
Bank Robbers
Problem B:
Elections 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2001 
Problem A:
The Bicycle Wheel Problem
Problem B:
The Hurricane Evacuation Problem 
The Zebra Mussel Problem

January 2001
Problem A:
Design of an Airline Terminal
Problem B:
Forest Service
November 2001
Problem A:
Adolescent Pregnancy
Problem B:
Skyscrapers 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM Jan
HiMCM Nov 
2002 
Problem A:
Wind
and Waterspray
Problem B:
Airline Overbooking 
If we SCRUB our land too much, we may lose the LIZARDs 
Problem A:
School
Busing
Problem B:
The Falling Ladder 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2003 
Problem A:
The Stunt Person
Problem B:
Gamma Knife Treatment Planning

Aviation Baggage Screening
Strategies:
To Screen or Not to Screen, that is the Question 
Problem A:
What
is it worth?
Problem B:
How fair are major league baseball parks to the players? 
MCM/ICM
HiMCM 
2004 
Problem A:
Are Fingerprints Unique?
Problem B:
A Faster QuickPass System 
To Be Secure or Not to Be? 
Problem A:
Motel Cleaning
Problem
Problem B:
The Art Gallery Security System 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2005

Problem A:
Flood Planning
Problem B:
Tollbooths 
Nonrenewable Resources 
Problem A:
Modeling Ocean Bottom Topography
Problem B:
Gas Prices, Inventory, National Disasters, and the Mighty Dollar 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2006 
Problem A:
Positioning and Moving Sprinkler Systems for Irrigation
Problem B:
Wheel Chair Access at Airports 
Tradeoffs in the fight against HIV/AIDS 
Problem A:
Inflation of the Parachute
Problem B:
A South Sea Island Resort 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2007 
Problem A:
Gerrymandering
Problem B:
The Airplane Seating Problem 
Organ Transplant: The Kidney Exchange Problem 
Problem A:
Smoke Alarms
Problem B:
Car Rentals 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2008 
Problem A:
Take a Bath
Problem B:
Creating Sudoku Puzzles 
Finding the Good in Health Care Systems 
Problem A:
National Debt and National Crisis
Problem B:
Going Green 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2009 
Problem A:
Designing a Traffic Circle
Problem B:
Energy and the Cell Phone 
Creating Food Systems: ReBalancing HumanInfluenced Ecosystems 
Problem A:
Water, Water Everywhere
Problem B:
Tsunami ("Wipe Out!") 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2010 
Problem A:
The Sweet Spot
Problem B:
Criminology 
The Great Pacific Ocean Garbage Patch 
Problem A:
Bicycle Club
Problem B:
Curbing City Violence 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2011 
Problem A:
Snowboard Course
Problem B:
Repeater Coordination 
How environmentally and economically sound are electric vehicles? Is their widespread use feasible and practical? 
Problem A:
Space Shuttle Problem: No More Space Shuttles
Problem B:
Search and Find 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2012 
Problem A:
The Leaves of a Tree
Problem B:
Camping along the Big Long River 
Modeling for Crime Busting 
Problem A:
American Elk
Problem B:
How Much Gas Should I Buy This Week? 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2013 
Problem A:
The Ultimate Brownie Pan
Problem B:
Water, Water, Everywhere 
Network Modeling of Earth's Health 
Problem A:
Emergency Medical Response
Problem B:
Bank Service Problem 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2014 
Problem A:
The KeepRightExceptToPass Rule
Problem B:
College Coaching Legends 
Using Networks to Measure Influence and Impact 
Problem A:
Unloading Commuter Trains
Problem B:
The Next Plague? 
MCM Problem A
MCM Problem B
ICM Problem C
HiMCM 
2015 
Problem A:
Eradicating Ebola
Problem B:
Searching for a lost plane 
Problem C:
Managing
Human
Capital
in
Organizations
Problem D:
Is it sustainable? 
Problem A:
Preventing Road Rage
Problem B:
City Crime and Safety 
MCM Problem A
MCM Problem B
ICM Problem C
ICM Problem D
HiMCM 
2016 
Problem A:
Hot Bath
Problem B:
Space Junk
Problem C:
The Goodgrant Challenge 
Problem D:
Measuring the Evolution and Influence in Society’s Information Networks
Problem E:
Are we heading towards a thirsty planet?
Problem F:
Modeling Refugee Immigration Policies 
Problem A:
Swim, Bike, and Run
Problem B:
Shop and Ship 
MCM Problem A
MCM Problem B
MCM Problem C
ICM Problem D
ICM Problem E
ICM Problem F
HiMCM 
2017 



MCM Problem A
MCM Problem B
MCM Problem C
ICM Problem D
ICM Problem E
ICM Problem F
HiMCM 
2018 


Problem A:
Roller Coaster
Problem B:
Cozy Smart House 
MCM Problem A
MCM Problem B
MCM Problem C
ICM Problem D
ICM Problem E
ICM Problem F
HiMCM 
2019 


Problem A:
Charge!
Problem B:
Bottle Battles 
MCM Problem A
MCM Problem B
MCM Problem C
ICM Problem D
ICM Problem E
ICM Problem F
HiMCM 
2020 
Problem A:
Moving North
Problem B:
The Longest Lasting Sandcastle(s)
Problem C:
A Wealth of Data 
Problem D:
Teaming Strategies
Problem E:
Drowning in Plastic
Problem F:
The Place I Called Home... 
November 417, 2020 
MCM Problem A
MCM Problem B
MCM Problem C
ICM Problem D
ICM Problem E
ICM Problem F 
2021 
February 48, 2021 
February 48, 2021 
November 316, 2021 
_______ 
Year 
MCM 
ICM 
HiMCM 
Results 