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Encyclopedia > American Computer Science League

ACSL is the American Computer Science League, an international computer science competition among more than 200 schools. Each round consists of two parts: a written section and a programming section. Written topics tested include "what does this program do?", digital electronics, boolean algebra, computer numbering systems, recursive functions, data structures (primarily dealing with binary search trees, stacks, and queues), lisp programming, regular expressions and Finite State Automata, bit string flicking, graph theory, assembly programming and prefix/postfix/infix notation. Computer science, or computing science, is the study of the theoretical foundations of information and computation and their implementation and application in computer systems. ... Students in Rome, Italy. ... Digital Electronics is based on a number of discrete voltage levels, usually two, as distinct from analog electronics which uses voltages to represent variables directly. ... In abstract algebra, a Boolean algebra is an algebraic structure (a collection of elements and operations on them obeying defining axioms) that captures essential properties of both set operations and logic operations. ... The term computer numbering formats refers to the schemes implemented in digital computer and calculator hardware and software to represent numbers. ... A common method of simplification is to divide a problem into subproblems of the same type. ... A binary tree, a simple type of branching linked data structure. ... A binary search tree of size 9 and depth 3, with root 7 and leaves 1, 4, 7 and 13. ... Simple representation of a stack In computer science, a stack is a temporary abstract data type and data structure based on the principle of Last In First Out (LIFO). ... In providing services in computer science, transport, and operations research a queue (pronounced kyew) is a buffer where various entities such as data, objects, persons, or events are stored and waiting to be processed. ... Lisp is a family of computer programming languages with a long history and a distinctive fully-parenthesized syntax. ... A regular expression (abbreviated as regexp, regex or regxp) is a string that describes or matches a set of strings, according to certain syntax rules. ... Fig. ... A pictorial representation of a graph In mathematics and computer science, graph theory is the study of graphs, mathematical structures used to model pairwise relations between objects from a certain collection. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Polish notation, also known as prefix notation was created by Jan &#321;ukasiewicz. ... Reverse Polish notation (RPN) , also known as postfix notation, is an arithmetic formula notation, derived from the Polish notation introduced in 1920 by the Polish mathematician Jan &#321;ukasiewicz. ... Infix notation is the common arithmetic and logical formula notation, in which operators are written infix-style between the operands they act on (e. ...

## Contents

There are four divisions in ACSL: Classroom, Junior, Intermediate, and Senior. Junior is recommended for middle school students (no students above the ninth grade may compete in it). Intermediate and Senior divisions are for secondary school students, Intermediate being easier and Senior being more difficult. At the "All-Star" (final) competition, the Junior teams consist of 3 members each while the Senior and Intermediate teams can consist of 3 or 5 members. Each team competes against other same-sized teams in its division.

## Preliminary Competition

The preliminary competition, in which individual students compete to get their school team qualified for the All-Star competition consists of four rounds. These rounds consist of a programming and a written part. In the programming part, students have 72 hours to complete a program in any computer language to perform a given task. In the written part, students have a total of 30 minutes to answer 5 questions based on given topics. Students then receive a score of up to 10 points (5 for written and 5 for programming). For the Classroom division, students receive 45 minutes to solve 10 written problems. The term computer language is a more expansive and alternate term for the more commonly-used term programming language. ...

## All-Star Competition

The All-Star Competition is held at a different location every year. Teams are given 3 hours to earn up to 60 (40 for Junior Division) points by successfully completing various programs. Individuals are then given 1 hour(45 minutes) to take a 12 (8 for Junior Division) question multiple choice test based on the subjects of the written questions in the preliminary rounds. The scores of the programming and the team's individual scores are added together to determine the winners. Prizes are given to teams with the highest scores and individuals based on their performance on the multiple choice test.

## 2005-06 All Star Results

The 2005-2006 competition was held May 27, 2006 at Lakota East High School, Liberty Township, Butler County, Ohio, United States. Results were: May 27 is the 147th day (148th in leap years) of the year in the Gregorian calendar, with 218 days remaining. ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... Map of Butler County, Ohio, showing the original townships and todays boundaries. ...

Senior Division

5-member teams

1. XV Gimnazija, Croatia

2. Montgomery Blair, Maryland Montgomery Blair High School (most often simply known as Blair) is a public high school located in Silver Spring in unincorporated Montgomery County, Maryland, a suburb of Washington, DC. The school serves several areas considered to be Silver Spring and the city of Takoma Park. ... This article does not cite its references or sources. ...

3. Jefferson S/T HS, Virginia Thomas Jefferson High School for Science and Technology Thomas Jefferson High School for Science and Technology (TJHSST, TJ, Jefferson) is a public magnet school in Alexandria, Virginia focusing on science and technology. ... Official language(s) English Capital Richmond Largest city Virginia Beach Area  Ranked 35th  - Total 42,793 sq mi (110,862 kmÂ²)  - Width 200 miles (320 km)  - Length 430 miles (690 km)  - % water 7. ...

4. Freehold High School Freehold High School is a secondary school located within Freehold Borough, New Jersey, and is part of the Freehold Regional High School District. ...

3-member teams

1. Taylor, Texas James E. Taylor High School, also known as Katy Taylor High School is a public high school in Harris County, Texas, near the city of Katy. ... Official language(s) None See: Languages of Texas Capital Austin Largest city Houston Area  Ranked 2nd  - Total 268,581 sq mi (695,622 kmÂ²)  - Width 773 miles (1,244 km)  - Length 790 miles (1,270 km)  - % water 2. ...

2. Phillips Academy, Massachusetts Phillips Academy (also known as Andover, Phillips Andover, or simply P.A.) is a co-educational independent school for boarding and day students in grades 9-12. ... Official language(s) English Capital Boston Largest city Boston Area  Ranked 44th  - Total 10,555 sq mi (27,360 kmÂ²)  - Width 183 miles (295 km)  - Length 113 miles (182 km)  - % water 13. ...

3. Holmdel, New Jersey Holmdel High School is a comprehensive community four-year public high school located at 36 Crawfords Corner Road in Holmdel Township, in Monmouth County, New Jersey, which serves 1,200 students from Holmdel Township. ... Official language(s) None, English de facto Capital Trenton Largest city Newark Area  Ranked 47th  - Total 8,729 sq mi (22,608 kmÂ²)  - Width 70 miles (110 km)  - Length 150 miles (240 km)  - % water 14. ...

Intermediate Division

5-member teams

1. XV Gimnazija, Croatia

2. Seven Lakes, Texas Seven Lakes High School is a school located in unincorporated Fort Bend County, Texas in the vicinity of Katy-Gaston Road and the future Fry Road intersection in Land Use Zone 74. ... Official language(s) None See: Languages of Texas Capital Austin Largest city Houston Area  Ranked 2nd  - Total 268,581 sq mi (695,622 kmÂ²)  - Width 773 miles (1,244 km)  - Length 790 miles (1,270 km)  - % water 2. ...

3. Woburn CI, Ontario Woburn Collegiate Institute is a secondary school in the Scarborough district of Toronto. ... Motto: Ut Incepit Fidelis Sic Permanet (Latin: Loyal she began, loyal she remains) Official languages English Flower White Trillium Tree Eastern White Pine Bird Common Loon Capital Toronto Largest city Toronto Lieutenant-Governor James K. Bartleman Premier Dalton McGuinty (Liberal) Parliamentary representation  - House seats  - Senate seats 106 24 Area Total...

3-member teams

1. Taylor, Texas James E. Taylor High School, also known as Katy Taylor High School is a public high school in Harris County, Texas, near the city of Katy. ... Official language(s) None See: Languages of Texas Capital Austin Largest city Houston Area  Ranked 2nd  - Total 268,581 sq mi (695,622 kmÂ²)  - Width 773 miles (1,244 km)  - Length 790 miles (1,270 km)  - % water 2. ...

2. Andrei Saguna, Romania

3. Kalamazoo AMSC, Michigan Official language(s) None (English, de-facto) Capital Lansing Largest city Detroit Area  Ranked 11th  - Total 97,990 sq mi (253,793 kmÂ²)  - Width 239 miles (385 km)  - Length 491 miles (790 km)  - % water 41. ...

Junior Division

5-member teams

1. Enloe, North Carolina The William G. Enloe GT/IB Center for Humanities, Sciences, and Arts (Enloe High School) is a Wake County Public School System public magnet high school located in east Raleigh, North Carolina. ... This article is the current U.S. Collaboration of the Week. ...

2. XV Gimnazija, Croatia

3. Roberto Clemente MS, Maryland The Montgomery County Public Schools system in Montgomery County, Maryland, USA is noted for its nationwide excellence. ... This article does not cite its references or sources. ...

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