Why do we only print leading spaces and not trailing spaces?
Trailing spaces exist on the right side of the stars, but since there are no visible characters after them, printing a newline immediately achieves the exact same visual result and saves CPU cycles.
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More FAQs in Inverted Pyramid Star Pattern Logic
Take the exact code used for a normal pyramid, and simply change the outer loop to count down from N to 1 instead of 1 to N.
If counting rows 1 to N, the leading spaces increase according to the formula: row - 1.
If counting rows 1 to N, the stars decrease according to the formula: 2 * (N - row) + 1.
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