The answer
Because you must print a specific, mathematically decreasing number of invisible space characters before you can print the mathematically increasing stars.
Printing a Pyramid Star Pattern (Spaces and Stars)
Why does the pyramid pattern require two inner loops?
More FAQs in Printing a Pyramid Star Pattern (Spaces and Stars)
No. They are placed sequentially (one after the other) inside the outer loop. The space loop finishes completely before the star loop begins.
If N is the total height and 'row' is the current row, the formula for leading spaces is N - row.
The stars follow the odd-number sequence, which is mathematically represented as (2 * row) - 1.
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