You are given a list of $N$ intervals. The $i$-th interval is $[l_i, r_i)$, which denotes a range of numbers greater than or equal to $l_i$ and strictly less than $r_i$. In this task, you consider the following two numbers:
We ask you to write a program to compute these two numbers.
The input consists of a single test case formatted as follows.
$N$ $L$ $l_1$ $r_1$ $l_2$ $r_2$ $\vdots$ $l_N$ $r_N$
The first line contains two integers $N$ ($1 \leq N \leq 2 \times 10^5$) and $L$ ($1 \leq L \leq 10^{12}$), where $N$ is the number of intervals and $L$ is the length of range to be covered, respectively. The $i$-th of the following $N$ lines contains two integers $l_i$ and $r_i$ ($0 \leq l_i < r_i \leq L$), representing the range of the $i$-th interval $[l_i, r_i)$. You can assume that the union of all the $N$ intervals is $[0, L)$
Output two integers $x$ and $y$ mentioned in the problem statement, separated by a single space, in a line.
Input | Output |
---|---|
3 3 0 2 1 3 1 2 | 2 3 |
2 4 0 4 0 4 | 1 1 |
5 4 0 2 2 4 0 3 1 3 3 4 | 2 4 |