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findInTwoDimension.java
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37 lines (31 loc) · 860 Bytes
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package main.code.array;
/**
* @Author: zs
* @Date: 2020/4/22 8:57
*/
public class findInTwoDimension {
public static void main(String[] args) {
int[][] arr = {{1, 4, 7, 11, 15}, {2, 5, 8, 12, 19}, {3, 6, 9, 16, 22}, {10, 13, 14, 17, 24}, {18, 21, 23, 26, 30}};
System.out.println(find(arr,99));
}
/**
* 暴力枚举
*/
public static boolean find(int[][] matrix, int target) {
if (matrix == null || matrix.length == 0 || matrix[0].length == 0) {
return false;
}
int rows = matrix.length, columns = matrix[0].length;
for (int[] arrs : matrix) {
for (int j = 0; j < columns; j++) {
if (arrs[j] == target) {
return true;
}
}
}
return false;
}
/**
* 123
*/
}