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package class009;
public class Code02_SearchA2DMatrixII {
/*
* 评测代码可以直接去leetcode搜索：Search a 2D Matrix II
*
*/
public static boolean searchMatrix(int[][] m, int target) {
if (m == null || m.length == 0 || m[0] == null || m[0].length == 0) {
return false;
}
int N = m.length;
int M = m[0].length;
int row = 0;
int col = M - 1;
while (row < N && col >= 0) {
if (m[row][col] > target) {
col--;
} else if (m[row][col] < target) {
row++;
} else {
return true;
