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feat: add solutions to lc problem: No.0090 #4021

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merged 3 commits into from
Feb 5, 2025
Merged

feat: add solutions to lc problem: No.0090 #4021

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80a78b1
feat: add solutions to lc problem: No.0090
yanglbme Feb 4, 2025
e953315
fix: docs
yanglbme Feb 4, 2025
801a7e8
fix: update solutions
yanglbme Feb 5, 2025
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34 changes: 17 additions & 17 deletions solution/0000-0099/0009.Palindrome Number/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -177,13 +177,12 @@ function isPalindrome(x: number): boolean {
```rust
impl Solution {
pub fn is_palindrome(mut x: i32) -> bool {
if x < 0 || (x % 10 == 0 && x != 0) {
if x < 0 || (x != 0 && x % 10 == 0) {
return false;
}
let mut y = 0;
while x > y {
y *= 10;
y += x % 10;
y = y * 10 + x % 10;
x /= 10;
}
x == y || x == y / 10
Expand Down Expand Up @@ -213,17 +212,13 @@ var isPalindrome = function (x) {
#### C#

```cs
public class Solution
{
public bool IsPalindrome(int x)
{
if (x < 0 || (x > 0 && x % 10 == 0))
{
public class Solution {
public bool IsPalindrome(int x) {
if (x < 0 || (x > 0 && x % 10 == 0)) {
return false;
}
int y = 0;
for (; y < x; x /= 10)
{
for (; y < x; x /= 10) {
y = y * 10 + x % 10;
}
return x == y || x == y / 10;
Expand All @@ -236,14 +231,19 @@ public class Solution
```php
class Solution {
/**
* @param int $x
* @return boolean
* @param Integer $x
* @return Boolean
*/

function isPalindrome($x) {
$str = (string) $x;
$str_reverse = strrev($str);
return $str === $str_reverse;
if ($x < 0 || ($x && $x % 10 == 0)) {
return false;
}
$y = 0;
while ($x > $y) {
$y = $y * 10 + ($x % 10);
$x = (int) ($x / 10);
}
return $x == $y || $x == (int) ($y / 10);
}
}
```
Expand Down
34 changes: 17 additions & 17 deletions solution/0000-0099/0009.Palindrome Number/README_EN.md
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Original file line number Diff line number Diff line change
Expand Up @@ -169,13 +169,12 @@ function isPalindrome(x: number): boolean {
```rust
impl Solution {
pub fn is_palindrome(mut x: i32) -> bool {
if x < 0 || (x % 10 == 0 && x != 0) {
if x < 0 || (x != 0 && x % 10 == 0) {
return false;
}
let mut y = 0;
while x > y {
y *= 10;
y += x % 10;
y = y * 10 + x % 10;
x /= 10;
}
x == y || x == y / 10
Expand Down Expand Up @@ -205,17 +204,13 @@ var isPalindrome = function (x) {
#### C#

```cs
public class Solution
{
public bool IsPalindrome(int x)
{
if (x < 0 || (x > 0 && x % 10 == 0))
{
public class Solution {
public bool IsPalindrome(int x) {
if (x < 0 || (x > 0 && x % 10 == 0)) {
return false;
}
int y = 0;
for (; y < x; x /= 10)
{
for (; y < x; x /= 10) {
y = y * 10 + x % 10;
}
return x == y || x == y / 10;
Expand All @@ -228,14 +223,19 @@ public class Solution
```php
class Solution {
/**
* @param int $x
* @return boolean
* @param Integer $x
* @return Boolean
*/

function isPalindrome($x) {
$str = (string) $x;
$str_reverse = strrev($str);
return $str === $str_reverse;
if ($x < 0 || ($x && $x % 10 == 0)) {
return false;
}
$y = 0;
while ($x > $y) {
$y = $y * 10 + ($x % 10);
$x = (int) ($x / 10);
}
return $x == $y || $x == (int) ($y / 10);
}
}
```
Expand Down
12 changes: 4 additions & 8 deletions solution/0000-0099/0009.Palindrome Number/Solution.cs
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Original file line number Diff line number Diff line change
@@ -1,14 +1,10 @@
public class Solution
{
public bool IsPalindrome(int x)
{
if (x < 0 || (x > 0 && x % 10 == 0))
{
public class Solution {
public bool IsPalindrome(int x) {
if (x < 0 || (x > 0 && x % 10 == 0)) {
return false;
}
int y = 0;
for (; y < x; x /= 10)
{
for (; y < x; x /= 10) {
y = y * 10 + x % 10;
}
return x == y || x == y / 10;
Expand Down
17 changes: 11 additions & 6 deletions solution/0000-0099/0009.Palindrome Number/Solution.php
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Original file line number Diff line number Diff line change
@@ -1,12 +1,17 @@
class Solution {
/**
* @param int $x
* @return boolean
* @param Integer $x
* @return Boolean
*/

function isPalindrome($x) {
$str = (string) $x;
$str_reverse = strrev($str);
return $str === $str_reverse;
if ($x < 0 || ($x && $x % 10 == 0)) {
return false;
}
$y = 0;
while ($x > $y) {
$y = $y * 10 + ($x % 10);
$x = (int) ($x / 10);
}
return $x == $y || $x == (int) ($y / 10);
}
}
21 changes: 7 additions & 14 deletions solution/0000-0099/0009.Palindrome Number/Solution.rs
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Original file line number Diff line number Diff line change
@@ -1,20 +1,13 @@
impl Solution {
pub fn is_palindrome(x: i32) -> bool {
if x < 0 {
pub fn is_palindrome(mut x: i32) -> bool {
if x < 0 || (x != 0 && x % 10 == 0) {
return false;
}
let s = x.to_string();
let bs = s.as_bytes();
let n = bs.len();
let mut l = 0;
let mut r = n - 1;
while l < r {
if bs[l] != bs[r] {
return false;
}
l += 1;
r -= 1;
let mut y = 0;
while x > y {
y = y * 10 + x % 10;
x /= 10;
}
true
x == y || x == y / 10
}
}
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