Final_01_fall_A_sol

Final_01_fall_A_sol - 19 December, 2001 COMP 102 - Final...

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19 December, 2001 COMP 102 -- Final Exam Version A Page 1 of 16 THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY Department of Computer Science COMP 102: Computer and Programming Fundamentals I Fall 2001 Final Examination Version A Solution Date: 19 December 2001 Time: 12:30-3:30 pm Venue: Hall This exam contains 10 questions in 16 pages. Please count the pages. You have 3 hours to complete this exam. Problem Your point s Max point s Problem Your point s Max point s 1 6 6 5 2 10 7 5 3 10 8 10 4 15 9 10 5 10 10 19 Subtotal 51 Subtotal 49 Your total points 100 Please identify yourself: Lecture/Lab section Name Student ID Signature
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19 December, 2001 COMP 102 -- Final Exam Version A Page 2 of 16 1. (6 points) For each of the follow C++ code segments, mark it with “CORRECT” if it is correct and “WRONG” if it is NOT correct. You should consider both syntax and logical correctness. WRONG a)int array[4] ={ 0, 1, 2, 3, 4 }; CORRECT b)int x[5]; x[0] = 0; WRONG c)void fn (const int x[ ] ) { if ( x[0] < 0) x[0] = 0; } CORRECT d)char message[ ] = "Hello"; WRONG e)char message[6]; message = "Hello"; WRONG f)int array[2,3];
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19 December, 2001 COMP 102 -- Final Exam Version A Page 3 of 16 2. (10 points) The following program shows the result of a battle between the Taliban and Pashtun tribesmen in Afghanistan. The function call count(taliban) uses enumeration constants as array indices to store the values in the taliban array. What will the report function print on the screen? #include <iostream.h> #include <string.h> enum {totalfighters, fighters, prisoners, dead, totaldead}; const int FIGHTERS = 500; void count(int army[]); // This function produces the values {221, 31, 19, 11, 160} when it is // called with the taliban array. // The values are {452, 146, 35, 39, 121} for the pashtun array. void report(int army[], char name[], char city[]){ cout << "Current " << name << " dead: " << army[dead] << endl; cout << "Current " << name << " prisoners: " << army[prisoners] << endl; cout << "Remaining " << name << " fighters in " << city << ": " << army[fighters] << endl; cout << "The " << name << " has lost " << army[totaldead] << " fighters." << endl; cout << "Total remaining " << name << " fighters: " << army[totalfighters] << endl << endl; } int main () { int taliban[5] = {FIGHTERS, 0, 0, 0, 0}; int pashtun[5] = {FIGHTERS, 0, 0, 0, 0}; count(taliban); report(taliban, "Taliban", "Kandahar"); count(pashtun); pashtun[totalfighters] += taliban[prisoners]; report(pashtun, "Pashtun", "Kandahar"); return 0; } Answer: Complete the following output produced by the report function: Current Taliban dead: 11 Current Taliban prisoners: 19 Remaining Taliban fighters in Kandahar: 31 The Taliban has lost 160 fighters. Total remaining Taliban fighters:
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This note was uploaded on 09/30/2010 for the course COMP COMP102 taught by Professor Lrr during the Fall '09 term at HKUST.

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Final_01_fall_A_sol - 19 December, 2001 COMP 102 - Final...

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