while - while Loops Programming P102 Prog Fundamentals I...

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Unformatted text preview: while Loops Programming P102 Prog Fundamentals I: while Loops/Slide 2 Shortcut Assignments ● C++ has a set of shortcut operators for applying an operation to a variable and then storing the result back into that variable. ● Shortcut assignments (a and b are integers): shortcut same as *= a *= b; a = a*b; /= a /= b; a = a/b; += a += b; a = a+b;-= a -= b; a = a-b; %= a %= b; a = a%b; P102 Prog Fundamentals I: while Loops/Slide 3 Shortcut Assignments ● Examples int i = 3; i += 4; // i = i + 4 cout << i << endl; // i is now 7 double a = 3.2; a *= 2.0; // a = a * 2.0 cout << a << endl; // a is now 6.4 int change = 1265; change %= 100; // change = change % 100 cout << change << endl; // change is now 65 P102 Prog Fundamentals I: while Loops/Slide 4 Loops (Iterative Constructs) ● Loops allow a code segment to be executed many times. ● Three constructs ■ while statement ■ for statement ■ do- while statement P102 Prog Fundamentals I: while Loops/Slide 5 The while Statement ● Syntax...
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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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while - while Loops Programming P102 Prog Fundamentals I...

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