A-M baby

Task/Loops-Nested/AWK/loops-nested.awk

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+BEGIN {
+	rows = 5
+	columns = 5
+
+	# Fill ary[] with random numbers from 1 to 20.
+	for (r = 1; r <= rows; r++) {
+		for (c = 1; c <= columns; c++)
+			ary[r, c] = int(rand() * 20) + 1
+	}
+
+	# Find a 20.
+	b = 0
+	for (r = 1; r <= rows; r++) {
+		for (c = 1; c <= columns; c++) {
+			v = ary[r, c]
+			printf " %2d", v
+			if (v == 20) {
+				print
+				b = 1
+				break
+			}
+		}
+		if (b) break
+		print
+	}
+}