For following code segment, give the time complexity analysis, and the exact number of $"*"$s in the output: for i$=$n down to $1$ for j$=$i to n print $"*"$ For following code segment, give the time complexity analysis, and the exact number of $"*"$s in the output: for i$=1$ to n for j$=1$ to n if i$>$j print $"*"$ For following code segment, give the time complexity analysis, and the exact number of $"*"$s in the output: for i$=1$ to n if $($i$^2$