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feat: add php solution to lc problems: No.0029, 0030 #2413

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Merged
yanglbme merged 20 commits into doocs:main from ZylalMinollari:problems-29-30
Mar 9, 2024
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263fd37
PHP solution of problems 0011,0012
Feb 20, 2024
1f9c25e
style: format code and docs with prettier
ZylalMinollari Feb 20, 2024
d79fef4
Update Solution.php
yanglbme Feb 21, 2024
e19bac3
Update Solution.php
yanglbme Feb 21, 2024
2ecf5ec
Merge branch 'doocs:main' into main
ZylalMinollari Feb 21, 2024
1c2b471
Merge branch 'doocs:main' into main
ZylalMinollari Feb 21, 2024
92e2da6
Merge branch 'doocs:main' into main
ZylalMinollari Feb 23, 2024
062524c
Merge branch 'doocs:main' into main
ZylalMinollari Mar 7, 2024
ed22277
Php solution for problems 0029, 0030
Mar 7, 2024
fe30b99
style: format code and docs with prettier
ZylalMinollari Mar 7, 2024
0920203
Merge branch 'doocs:main' into problems-29-30
ZylalMinollari Mar 8, 2024
6104508
Changes in naming variables
Mar 8, 2024
9a36092
style: format code and docs with prettier
ZylalMinollari Mar 8, 2024
aace25e
Removing php tag
Mar 8, 2024
21db7e6
Update README.md
yanglbme Mar 9, 2024
5718110
style: format code and docs with prettier
yanglbme Mar 9, 2024
a3220ec
Update Solution.php
yanglbme Mar 9, 2024
4884683
Update README_EN.md
yanglbme Mar 9, 2024
dfe9a1f
style: format code and docs with prettier
yanglbme Mar 9, 2024
d78450f
Update Solution.php
yanglbme Mar 9, 2024
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38 changes: 38 additions & 0 deletions solution/0000-0099/0029.Divide Two Integers/README.md
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -227,6 +227,44 @@ public class Solution {
}
```

```php
class Solution {
/**
* @param integer $a
* @param integer $b
* @return integer
*/

function divide($a, $b) {
if ($b == 0) {
throw new Exception('Can not divide by 0');
} elseif ($a == 0) {
return 0;
}
if ($a == -2147483648 && $b == -1) {
return 2147483647;
}
$sign = $a < 0 != $b < 0;

$a = abs($a);
$b = abs($b);
$ans = 0;
while ($a >= $b) {
$x = $b;
$cnt = 1;
while ($a >= $x << 1) {
$x <<= 1;
$cnt <<= 1;
}
$a -= $x;
$ans += $cnt;
}

return $sign ? -$ans : $ans;
}
}
```

<!-- tabs:end -->

<!-- end -->
38 changes: 38 additions & 0 deletions solution/0000-0099/0029.Divide Two Integers/README_EN.md
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -225,6 +225,44 @@ public class Solution {
}
```

```php
class Solution {
/**
* @param integer $a
* @param integer $b
* @return integer
*/

function divide($a, $b) {
if ($b == 0) {
throw new Exception('Can not divide by 0');
} elseif ($a == 0) {
return 0;
}
if ($a == -2147483648 && $b == -1) {
return 2147483647;
}
$sign = $a < 0 != $b < 0;

$a = abs($a);
$b = abs($b);
$ans = 0;
while ($a >= $b) {
$x = $b;
$cnt = 1;
while ($a >= $x << 1) {
$x <<= 1;
$cnt <<= 1;
}
$a -= $x;
$ans += $cnt;
}

return $sign ? -$ans : $ans;
}
}
```

<!-- tabs:end -->

<!-- end -->
35 changes: 35 additions & 0 deletions solution/0000-0099/0029.Divide Two Integers/Solution.php
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,35 @@
class Solution {
/**
* @param integer $a
* @param integer $b
* @return integer
*/

function divide($a, $b) {
if ($b == 0) {
throw new Exception('Can not divide by 0');
} elseif ($a == 0) {
return 0;
}
if ($a == -2147483648 && $b == -1) {
return 2147483647;
}
$sign = $a < 0 != $b < 0;

$a = abs($a);
$b = abs($b);
$ans = 0;
while ($a >= $b) {
$x = $b;
$cnt = 1;
while ($a >= $x << 1) {
$x <<= 1;
$cnt <<= 1;
}
$a -= $x;
$ans += $cnt;
}

return $sign ? -$ans : $ans;
}
}
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -308,6 +308,62 @@ public class Solution {
}
```

```php
class Solution {
/**
* @param String $s
* @param String[] $words
* @return Integer[]
*/
function findSubstring($s, $words) {
$cnt = [];
foreach ($words as $w) {
if (!isset($cnt[$w])) {
$cnt[$w] = 1;
} else {
$cnt[$w]++;
}
}
$m = strlen($s);
$n = count($words);
$k = strlen($words[0]);
$ans = [];
for ($i = 0; $i < $k; ++$i) {
$cnt1 = [];
$l = $i;
$r = $i;
$t = 0;
while ($r + $k <= $m) {
$w = substr($s, $r, $k);
$r += $k;
if (!array_key_exists($w, $cnt)) {
$cnt1 = [];
$l = $r;
$t = 0;
continue;
}
if (!isset($cnt1[$w])) {
$cnt1[$w] = 1;
} else {
$cnt1[$w]++;
}
++$t;
while ($cnt1[$w] > $cnt[$w]) {
$remove = substr($s, $l, $k);
$l += $k;
$cnt1[$remove]--;
$t--;
}
if ($t == $n) {
$ans[] = $l;
}
}
}
return $ans;
}
}
```

<!-- tabs:end -->

### 方法二
Expand Down
View file Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -305,6 +305,62 @@ public class Solution {
}
```

```php
class Solution {
/**
* @param String $s
* @param String[] $words
* @return Integer[]
*/
function findSubstring($s, $words) {
$cnt = [];
foreach ($words as $w) {
if (!isset($cnt[$w])) {
$cnt[$w] = 1;
} else {
$cnt[$w]++;
}
}
$m = strlen($s);
$n = count($words);
$k = strlen($words[0]);
$ans = [];
for ($i = 0; $i < $k; ++$i) {
$cnt1 = [];
$l = $i;
$r = $i;
$t = 0;
while ($r + $k <= $m) {
$w = substr($s, $r, $k);
$r += $k;
if (!array_key_exists($w, $cnt)) {
$cnt1 = [];
$l = $r;
$t = 0;
continue;
}
if (!isset($cnt1[$w])) {
$cnt1[$w] = 1;
} else {
$cnt1[$w]++;
}
++$t;
while ($cnt1[$w] > $cnt[$w]) {
$remove = substr($s, $l, $k);
$l += $k;
$cnt1[$remove]--;
$t--;
}
if ($t == $n) {
$ans[] = $l;
}
}
}
return $ans;
}
}
```

<!-- tabs:end -->

### Solution 2
Expand Down
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,53 @@
class Solution {
/**
* @param String $s
* @param String[] $words
* @return Integer[]
*/
function findSubstring($s, $words) {
$cnt = [];
foreach ($words as $w) {
if (!isset($cnt[$w])) {
$cnt[$w] = 1;
} else {
$cnt[$w]++;
}
}
$m = strlen($s);
$n = count($words);
$k = strlen($words[0]);
$ans = [];
for ($i = 0; $i < $k; ++$i) {
$cnt1 = [];
$l = $i;
$r = $i;
$t = 0;
while ($r + $k <= $m) {
$w = substr($s, $r, $k);
$r += $k;
if (!array_key_exists($w, $cnt)) {
$cnt1 = [];
$l = $r;
$t = 0;
continue;
}
if (!isset($cnt1[$w])) {
$cnt1[$w] = 1;
} else {
$cnt1[$w]++;
}
++$t;
while ($cnt1[$w] > $cnt[$w]) {
$remove = substr($s, $l, $k);
$l += $k;
$cnt1[$remove]--;
$t--;
}
if ($t == $n) {
$ans[] = $l;
}
}
}
return $ans;
}
}

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