From 2ea72e3e4345e0de2feed93b4a74dd9bbbc25b68 Mon Sep 17 00:00:00 2001 From: Steve2020 <841532108@qq.com> Date: Fri, 14 Jan 2022 21:59:34 +0800 Subject: [PATCH 1/5] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=EF=BC=880015.=E4=B8=89?= =?UTF-8?q?=E6=95=B0=E4=B9=8B=E5=92=8C.md=EF=BC=89=EF=BC=9A=E5=A2=9E?= =?UTF-8?q?=E5=8A=A0typescript=E7=89=88=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0015.三数之和.md | 36 +++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/problems/0015.三数之和.md b/problems/0015.三数之和.md index c78ab06d..8992c5f4 100644 --- a/problems/0015.三数之和.md +++ b/problems/0015.三数之和.md @@ -332,7 +332,43 @@ var threeSum = function(nums) { return res; }; ``` +TypeScript: +```typescript +function threeSum(nums: number[]): number[][] { + nums.sort((a, b) => a - b); + let length = nums.length; + let left: number = 0, + right: number = length - 1; + let resArr: number[][] = []; + for (let i = 0; i < length; i++) { + if (i > 0 && nums[i] === nums[i - 1]) { + continue; + } + left = i + 1; + right = length - 1; + while (left < right) { + let total: number = nums[i] + nums[left] + nums[right]; + if (total === 0) { + resArr.push([nums[i], nums[left], nums[right]]); + left++; + right--; + while (nums[right] === nums[right + 1]) { + right--; + } + while (nums[left] === nums[left - 1]) { + left++; + } + } else if (total < 0) { + left++; + } else { + right--; + } + } + } + return resArr; +}; +``` ruby: ```ruby From 12bf8ae05b176816a21cfd741b2274bfada14aae Mon Sep 17 00:00:00 2001 From: Steve2020 <841532108@qq.com> Date: Fri, 14 Jan 2022 22:36:55 +0800 Subject: [PATCH 2/5] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=EF=BC=880018.=E5=9B=9B?= =?UTF-8?q?=E6=95=B0=E4=B9=8B=E5=92=8C.md=EF=BC=89=EF=BC=9A=E5=A2=9E?= =?UTF-8?q?=E5=8A=A0typescript=E7=89=88=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0018.四数之和.md | 42 +++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/problems/0018.四数之和.md b/problems/0018.四数之和.md index b94ebeef..dae8636b 100644 --- a/problems/0018.四数之和.md +++ b/problems/0018.四数之和.md @@ -311,7 +311,49 @@ var fourSum = function(nums, target) { }; ``` +TypeScript： + +```typescript +function fourSum(nums: number[], target: number): number[][] { + nums.sort((a, b) => a - b); + let first: number = 0, + second: number, + third: number, + fourth: number; + let length: number = nums.length; + let resArr: number[][] = []; + for (; first < length; first++) { + if (first > 0 && nums[first] === nums[first - 1]) { + continue; + } + for (second = first + 1; second < length; second++) { + if ((second - first) > 1 && nums[second] === nums[second - 1]) { + continue; + } + third = second + 1; + fourth = length - 1; + while (third < fourth) { + let total: number = nums[first] + nums[second] + nums[third] + nums[fourth]; + if (total === target) { + resArr.push([nums[first], nums[second], nums[third], nums[fourth]]); + third++; + fourth--; + while (nums[third] === nums[third - 1]) third++; + while (nums[fourth] === nums[fourth + 1]) fourth--; + } else if (total < target) { + third++; + } else { + fourth--; + } + } + } + } + return resArr; +}; +``` + PHP: + ```php class Solution { /** From d9ffaec8a8e6b630f187ec662917b53d2878aee8 Mon Sep 17 00:00:00 2001 From: Steve2020 <841532108@qq.com> Date: Sat, 15 Jan 2022 16:32:29 +0800 Subject: [PATCH 3/5] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=EF=BC=880344.=E5=8F=8D?= =?UTF-8?q?=E8=BD=AC=E5=AD=97=E7=AC=A6=E4=B8=B2.md=EF=BC=89=EF=BC=9A?= =?UTF-8?q?=E5=A2=9E=E5=8A=A0typescript=E7=89=88=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0344.反转字符串.md | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/problems/0344.反转字符串.md b/problems/0344.反转字符串.md index 28313839..e6a56ca5 100644 --- a/problems/0344.反转字符串.md +++ b/problems/0344.反转字符串.md @@ -201,6 +201,27 @@ var reverseString = function(s) { }; ``` +TypeScript： + +```typescript +/** + Do not return anything, modify s in-place instead. + */ +function reverseString(s: string[]): void { + let length: number = s.length; + let left: number = 0, + right: number = length - 1; + let tempStr: string; + while (left < right) { + tempStr = s[left]; + s[left] = s[right]; + s[right] = tempStr; + left++; + right--; + } +}; +``` + Swift: ```swift From 91807bfe9deb35788886786dd1590044dd707a36 Mon Sep 17 00:00:00 2001 From: Steve2020 <841532108@qq.com> Date: Sat, 15 Jan 2022 17:32:13 +0800 Subject: [PATCH 4/5] =?UTF-8?q?=E6=B7=BB=E5=8A=A0(0541.=E5=8F=8D=E8=BD=AC?= =?UTF-8?q?=E5=AD=97=E7=AC=A6=E4=B8=B2II.md):=20=E5=A2=9E=E5=8A=A0typescri?= =?UTF-8?q?pt=E7=89=88=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0541.反转字符串II.md | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/problems/0541.反转字符串II.md b/problems/0541.反转字符串II.md index fb92b1e4..77558663 100644 --- a/problems/0541.反转字符串II.md +++ b/problems/0541.反转字符串II.md @@ -252,6 +252,28 @@ var reverseStr = function(s, k) { ``` +TypeScript： + +```typescript +function reverseStr(s: string, k: number): string { + let left: number, right: number; + let arr: string[] = s.split(''); + let temp: string; + for (let i = 0, length = arr.length; i < length; i += 2 * k) { + left = i; + right = (i + k - 1) >= length ? length - 1 : i + k - 1; + while (left < right) { + temp = arr[left]; + arr[left] = arr[right]; + arr[right] = temp; + left++; + right--; + } + } + return arr.join(''); +}; +``` + Swift: ```swift From 3d7ec66e21c511f5cd0440388de9075ac5d45155 Mon Sep 17 00:00:00 2001 From: Steve2020 <841532108@qq.com> Date: Sat, 15 Jan 2022 17:59:35 +0800 Subject: [PATCH 5/5] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=EF=BC=88=E5=89=91?= =?UTF-8?q?=E6=8C=87Offer05.=E6=9B=BF=E6=8D=A2=E7=A9=BA=E6=A0=BC.md?= =?UTF-8?q?=EF=BC=89=EF=BC=9A=E5=A2=9E=E5=8A=A0typescript=E7=89=88?= =?UTF-8?q?=E6=9C=AC?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/剑指Offer05.替换空格.md | 27 ++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/problems/剑指Offer05.替换空格.md b/problems/剑指Offer05.替换空格.md index d0f382c8..530545fb 100644 --- a/problems/剑指Offer05.替换空格.md +++ b/problems/剑指Offer05.替换空格.md @@ -298,6 +298,33 @@ javaScript: }; ``` +TypeScript： + +```typescript +function replaceSpace(s: string): string { + let arr: string[] = s.split(''); + let spaceNum: number = 0; + let oldLength: number = arr.length; + for (let i = 0; i < oldLength; i++) { + if (arr[i] === ' ') { + spaceNum++; + } + } + arr.length = oldLength + 2 * spaceNum; + let cur: number = oldLength - 1; + for (let i = arr.length - 1; i >= 0; i--, cur--) { + if (arr[cur] !== ' ') { + arr[i] = arr[cur] + } else { + arr[i] = '0'; + arr[--i] = '2'; + arr[--i] = '%'; + } + } + return arr.join(''); +}; +``` + Swift: ```swift