By Nell B. Dale, Chip Weems

Dale (University of Texas) and Weems (University of Massachusetts) introduce C++, object-oriented programming, and software program improvement during this textual content for undergraduates. The textual content covers many subject matters as soon as thought of too complicated for a primary direction, reminiscent of metalanguages, modular layout, summary facts t

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Extra info for Answers to Selected Exercises for Programming and Problem Solving With C++

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9. Exam Preparation Exercises False. bool cannot be unsigned. True. True. sizeof(int) returns 4 for a 32-bit int, and 8 for a 64-bit int. True. False. This is purely a matter of style. char, short, int, long, bool. A leading zero makes the literal a base 8 (octal) number. A leading 0X makes the literal a base 16 (hexadecimal) number. The assignment operators. With ++count, the result of the expression is the same as the new (incremented) value of count. With count++, the result of the expression is the old value of count (prior to being incremented).

For (int day = 6, day >= 0, day--) cout << DayOfWeek(day) << endl; 5. for (int day = 3, day <= 9, day++) cout << DayOfWeek(day % 7) << endl; 6. = 'N') cout << "Invalid response. = 'N'); 7. int SumInt (/* in */ int goal) { // Assumes goal is positive int num = 0; int sum = 0; do { num++; sum = sum + num; } while (sum < goal); return num; } 8. for (int row = 1; row <= 10; row++) { for (int col = 1; col <= 10; col++) cout << setw(5) << row * col; cout << endl; } 9. for (int line = 1; line <= 10; line++) { for (int star = 1; star <= line; star++) cout << '*'; cout << endl; } 10.

Void GetLeast (ifstream&, int&); 6. void GetLeast (/* inout */ ifstream& infile, /* out */ int& lowest) { int number; infile >> number; // Get a number lowest = INT_MAX; // Initially use greatest int while (infile) { if (number < lowest) DalePhatANS_complete 8/18/04 10:31 AM Page 1083 Answers to Selected Exercises lowest = number; infile >> number; // Remember lower number // Get next number } } 7. // Precondition: // File infile has been opened AND // header file climits has been included // Postcondition: // File infile is at end-of-file AND // if the file is empty, lowest contains INT_MAX; // else smallest number on file infile is in lowest 8.

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