Following is a general way of printing 2D matrix such that every row is printed in separate lines.
How to print print without using any curly braces in for loops?
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We can simply removed inner curly bracket as there is single line inner for loop. How to remove outer curly braces? Below is solution.
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The actual trick is in following statement “\n”[j == n-1], explanation is as follows:
” \n” is a 2 character string where 1st character is space and 2nd character is newline, so we want space after each value except last for which we want a newline. In C, string literals are treated character arrays [See this for more details].
j == n-1 statement evaluates to 0 for internal elements (because for them j < n-1) and for last value(of each row) it becomes 1. So for internal elements, statement evaluate to " \n" i.e. " " and for last element of each row " \n" i.e. "\n" Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.
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