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authorFrederick Yin <fkfd@fkfd.me>2022-08-16 11:54:23 +0800
committerFrederick Yin <fkfd@fkfd.me>2022-08-16 11:54:23 +0800
commit9542deeb483a00b6fabed7574720926ce97d7511 (patch)
tree0f2c1f72c03dd4693fd59df67544d2a4dddc5494 /projects/11/Average
parent9c0cb1d1c32724fc95ac9548e4f8d873d3adaccc (diff)
Projects, 01-06 completed
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+// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: projects/11/Average/Main.jack
+
+// (Same as projects/09/Average/Main.jack)
+
+// Inputs some numbers and computes their average
+class Main {
+ function void main() {
+ var Array a;
+ var int length;
+ var int i, sum;
+
+ let length = Keyboard.readInt("How many numbers? ");
+ let a = Array.new(length); // constructs the array
+
+ let i = 0;
+ while (i < length) {
+ let a[i] = Keyboard.readInt("Enter a number: ");
+ let sum = sum + a[i];
+ let i = i + 1;
+ }
+
+ do Output.printString("The average is ");
+ do Output.printInt(sum / length);
+ return;
+ }
+}