/
Solution.java
65 lines (55 loc) · 1.55 KB
/
Solution.java
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
public class Solution {
public void setZeroes(int[][] matrix) {
// Note: The Solution object is instantiated only once and is reused by each test case.
if(matrix == null) return;
int mx = matrix.length;
if ( mx == 0) return;
int my = matrix[0].length;
int x, y;
boolean xfz = false, yfz = false;
for(x = 0; x < mx ; x++ ){
if(matrix[x][0] == 0){
xfz = true;
break;
}
}
for(y = 0; y < my ; y++ ){
if(matrix[0][y] == 0){
yfz = true;
break;
}
}
for(x = 1; x < mx ; x++){
for(y = 1; y < my ; y++){
if(matrix[x][y] == 0){
matrix[x][0] = 0;
matrix[0][y] = 0;
}
}
}
for(x = 1; x < mx ; x++ ){
if(matrix[x][0] == 0){
for(y = 0; y < my; y++){
matrix[x][y] = 0;
}
}
}
for(y = 1; y < my ; y++ ){
if(matrix[0][y] == 0){
for(x = 0; x < mx; x++){
matrix[x][y] = 0;
}
}
}
if(xfz){
for(x = 0; x < mx ; x++ ){
matrix[x][0] = 0;
}
}
if(yfz){
for(y = 0; y < my ; y++ ){
matrix[0][y] = 0;
}
}
}
}