-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathSolution.java
More file actions
31 lines (30 loc) · 921 Bytes
/
Solution.java
File metadata and controls
31 lines (30 loc) · 921 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
package leetcode._73_;
class Solution {
public void setZeroes(int[][] matrix) {
int row0 = 1;
for (int i = 0; i < matrix.length; i++) {
for (int j = 0; j < matrix[0].length; j++) {
if (matrix[i][j] == 0) {
if (i == 0) {
row0 = 0;
} else {
matrix[i][0] = 0;
}
matrix[0][j] = 0; // 表示第 j 列
}
}
}
for (int i = matrix.length - 1; i >= 1; i--) {
for (int j = matrix[0].length - 1; j >= 0; j--) {
if (matrix[0][j] == 0 || matrix[i][0] == 0) {
matrix[i][j] = 0;
}
}
}
if (row0 == 0) {
for (int i = 0; i < matrix[0].length; i++) {
matrix[0][i] = 0;
}
}
}
}