Here is a part of the persudo code I read:

My question is, what's mean by the notation k+1:N ?Code:`for k = 1 to N - 1`

A(k+1:N, k+1:N) = A(k+1:N, k+1:N) - A(k+1:N, k)*A(k, k+1:N)

endfor

Also, can anyway please translate the persudo code above into real C++ code ?