30 lines
764 B
Plaintext
30 lines
764 B
Plaintext
// This file is part of www.nand2tetris.org
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// and the book "The Elements of Computing Systems"
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// by Nisan and Schocken, MIT Press.
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// File name: projects/11/Average/Main.jack
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// (Same as projects/09/Average/Main.jack)
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// Inputs some numbers and computes their average
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class Main {
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function void main() {
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var Array a;
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var int length;
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var int i, sum;
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let length = Keyboard.readInt("How many numbers? ");
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let a = Array.new(length); // constructs the array
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let i = 0;
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while (i < length) {
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let a[i] = Keyboard.readInt("Enter a number: ");
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let sum = sum + a[i];
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let i = i + 1;
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}
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do Output.printString("The average is ");
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do Output.printInt(sum / length);
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return;
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}
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}
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