Given an array nums, write a function to move all 0's
to the end of it while maintaining the relative order of the non-zero elements.
For example, given nums = [0, 1, 0, 3, 12], after calling your function, nums should
be [1, 3, 12, 0, 0].
Note:
- You must do this in-place without making a copy of the array.
- Minimize the total number of operations.
public class Solution {
public void moveZeroes(int[] nums) {
for(int i = 0;i < nums.length;i++){
if(nums[i] == 0){
for(int j = i + 1;j < nums.length;j++){
if(nums[j] != 0){
nums[i] = nums[j];
nums[j] = 0;
break;
}
}
}
}
}
}public class Solution {
public void moveZeroes(int[] nums) {
// for(int i = 0;i < nums.length;i++){
// if(nums[i] == 0){
// for(int j = i + 1;j < nums.length;j++){
// if(nums[j] != 0){
// nums[i] = nums[j];
// nums[j] = 0;
// break;
// }
// }
// }
// }
int i = 0;
int j = 0;
while(i < nums.length){
if(nums[i] == 0 || i == j){
i++;
}else{
if(nums[j] == 0){
nums[j] = nums[i];
nums[i] = 0;
i++;
}
j++;
}
}
}
}
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