APMO 1995 Problem 1

Find all real sequences $x_1$, $x_2$, ... , $x_{1995}$ which satisfy 2√($x_n$ - n + 1) ≥ $x_{n+1}$ - n + 1 for n = 1, 2, ... , 1994, and 2√($x_{1995}$ - 1994) ≥ $x_1$ + 1.