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57 changes: 55 additions & 2 deletions solution/0300-0399/0368.Largest Divisible Subset/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -53,15 +53,68 @@
<!-- 这里可写当前语言的特殊实现逻辑 -->

```python

class Solution:
def largestDivisibleSubset(self, nums: List[int]) -> List[int]:
nums.sort()
n = len(nums)
f, p = [0] * n, [0] * n
for i in range(n):
l, pre = 1, i
for j in range(n):
if nums[i] % nums[j] == 0 and f[j] + 1 > l:
l = f[j] + 1
pre = j
f[i] = l
p[i] = pre
max_len, max_index = 0, 0
for i, v in enumerate(f):
if max_len < v:
max_len = v
max_index = i
ans = []
while len(ans) < max_len:
ans.append(nums[max_index])
max_index = p[max_index]
return ans[::-1]
```

### **Java**

<!-- 这里可写当前语言的特殊实现逻辑 -->

```java

class Solution {
public List<Integer> largestDivisibleSubset(int[] nums) {
Arrays.sort(nums);
int n = nums.length;
int[] f = new int[n], p = new int[n];
for (int i = 0; i < n; i++) {
int l = 1, pre = i;
for (int j = 0; j < i; j++) {
if (nums[i] % nums[j] == 0 && f[j] + 1 > l) {
l = f[j] + 1;
pre = j;
}
}
f[i] = l;
p[i] = pre;
}
int maxLen = 0, maxIndex = 0;
for (int i = 0; i < n; i++) {
if (f[i] > maxLen) {
maxLen = f[i];
maxIndex = i;
}
}
List<Integer> ans = new ArrayList<>();
while (ans.size() < maxLen) {
ans.add(nums[maxIndex]);
maxIndex = p[maxIndex];
}
Collections.reverse(ans);
return ans;
}
}
```

### **...**
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57 changes: 55 additions & 2 deletions solution/0300-0399/0368.Largest Divisible Subset/README_EN.md
Original file line number Diff line number Diff line change
Expand Up @@ -45,13 +45,66 @@
### **Python3**

```python

class Solution:
def largestDivisibleSubset(self, nums: List[int]) -> List[int]:
nums.sort()
n = len(nums)
f, p = [0] * n, [0] * n
for i in range(n):
l, pre = 1, i
for j in range(n):
if nums[i] % nums[j] == 0 and f[j] + 1 > l:
l = f[j] + 1
pre = j
f[i] = l
p[i] = pre
max_len, max_index = 0, 0
for i, v in enumerate(f):
if max_len < v:
max_len = v
max_index = i
ans = []
while len(ans) < max_len:
ans.append(nums[max_index])
max_index = p[max_index]
return ans[::-1]
```

### **Java**

```java

class Solution {
public List<Integer> largestDivisibleSubset(int[] nums) {
Arrays.sort(nums);
int n = nums.length;
int[] f = new int[n], p = new int[n];
for (int i = 0; i < n; i++) {
int l = 1, pre = i;
for (int j = 0; j < i; j++) {
if (nums[i] % nums[j] == 0 && f[j] + 1 > l) {
l = f[j] + 1;
pre = j;
}
}
f[i] = l;
p[i] = pre;
}
int maxLen = 0, maxIndex = 0;
for (int i = 0; i < n; i++) {
if (f[i] > maxLen) {
maxLen = f[i];
maxIndex = i;
}
}
List<Integer> ans = new ArrayList<>();
while (ans.size() < maxLen) {
ans.add(nums[maxIndex]);
maxIndex = p[maxIndex];
}
Collections.reverse(ans);
return ans;
}
}
```

### **...**
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32 changes: 32 additions & 0 deletions solution/0300-0399/0368.Largest Divisible Subset/Solution.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
class Solution {
public List<Integer> largestDivisibleSubset(int[] nums) {
Arrays.sort(nums);
int n = nums.length;
int[] f = new int[n], p = new int[n];
for (int i = 0; i < n; i++) {
int l = 1, pre = i;
for (int j = 0; j < i; j++) {
if (nums[i] % nums[j] == 0 && f[j] + 1 > l) {
l = f[j] + 1;
pre = j;
}
}
f[i] = l;
p[i] = pre;
}
int maxLen = 0, maxIndex = 0;
for (int i = 0; i < n; i++) {
if (f[i] > maxLen) {
maxLen = f[i];
maxIndex = i;
}
}
List<Integer> ans = new ArrayList<>();
while (ans.size() < maxLen) {
ans.add(nums[maxIndex]);
maxIndex = p[maxIndex];
}
Collections.reverse(ans);
return ans;
}
}
23 changes: 23 additions & 0 deletions solution/0300-0399/0368.Largest Divisible Subset/Solution.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
class Solution:
def largestDivisibleSubset(self, nums: List[int]) -> List[int]:
nums.sort()
n = len(nums)
f, p = [0] * n, [0] * n
for i in range(n):
l, pre = 1, i
for j in range(n):
if nums[i] % nums[j] == 0 and f[j] + 1 > l:
l = f[j] + 1
pre = j
f[i] = l
p[i] = pre
max_len, max_index = 0, 0
for i, v in enumerate(f):
if max_len < v:
max_len = v
max_index = i
ans = []
while len(ans) < max_len:
ans.append(nums[max_index])
max_index = p[max_index]
return ans[::-1]