改造二分Modified Binary Search算法
改造二分(Modified Binary Search)算法的完整源码(定义,实现,main函数测试)
#include <stdio.h>
#include <stdlib.h>
/** This function does Binary search for `x` in `i`-th row from `j_low` to
* `j_high`.
* @param mat 2D matrix to search within
* @param i row to search in
* @param j_low start column index
* @param j_high end column index
* @param x