面经出现 三刷还不会
class Solution {
public int[] productExceptSelf(int[] nums) {
int[] res = new int[nums.length];
int left = 1;
for (int i = 0; i < nums.length; i++){
res[i] = left;
left *= nums[i];
}
int right = 1;
for (int i = nums.length - 1; i >= 0; i--){
res[i] *= right;
right *= nums[i];
}
return res;
}
}
