feat: add solutions to lc problem: No.0542 (#1613)

yanglbme · web-flow · commit d484bea7ec4b · 2023-09-13T09:46:11.000+08:00
No.0542.01 Matrix
diff --git a/.github/workflows/compress.yml b/.github/workflows/compress.yml
@@ -34,7 +34,7 @@ jobs:
         id: calibre
         uses: calibreapp/image-actions@main
         with:
-          githubToken: ${{ secrets.GITHUB_TOKEN }}
+          githubToken: ${{ secrets.DOOCS_BOT_ACTION_TOKEN }}
           # For non-Pull Requests, run in compressOnly mode and we'll PR after.
           compressOnly: ${{ github.event_name != 'pull_request' }}
       - name: Create Pull Request
diff --git a/.github/workflows/pr-add-label.yml b/.github/workflows/pr-add-label.yml
@@ -2,11 +2,16 @@ name: pr-add-label
 
 on:
   pull_request:
-    types:
-      - opened
-      - synchronize
+    types: [opened]
+
+permissions:
+  contents: read
+ 
 jobs:
   add-label:
+    permissions:
+      contents: read
+      pull-requests: write
     runs-on: ubuntu-latest
     steps:
       - name: Check PR number
@@ -16,7 +21,7 @@ jobs:
       - name: Run add-label Action
         uses: thinkasany/pr-label-action@master
         with:
-          github_token: ${{ secrets.ACTION_TOKEN }}
+          github_token: ${{ secrets.DOOCS_BOT_ACTION_TOKEN }}
           pr_number: ${{ env.PR_NUMBER }}
           organize_name: "doocs"
           team_name: "leetcode-algorithm"
diff --git a/.github/workflows/pr-checker.yml b/.github/workflows/pr-checker.yml
@@ -11,7 +11,7 @@ jobs:
       - name: Pull request
         uses: actions-cool/maintain-one-comment@v3
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.DOOCS_BOT_ACTION_TOKEN }}
           body: |
             🤭 感谢你的提交，请检查你的改动是否符合以下项目规范。
 
diff --git a/.github/workflows/starcharts.yml b/.github/workflows/starcharts.yml
@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: MaoLongLong/actions-starcharts@main
         with:
-          github_token: ${{ secrets.ACTION_TOKEN }}
+          github_token: ${{ secrets.DOOCS_BOT_ACTION_TOKEN }}
           svg_path: images/starcharts.svg
           commit_message: "chore: auto update starcharts"
           stars_change: ${{ secrets.STARS_CHANGE }}
diff --git a/solution/0500-0599/0542.01 Matrix/README.md b/solution/0500-0599/0542.01 Matrix/README.md
@@ -66,14 +66,14 @@ class Solution:
         ans = [[-1] * n for _ in range(m)]
         q = deque()
         for i, row in enumerate(mat):
-            for j, v in enumerate(row):
-                if v == 0:
+            for j, x in enumerate(row):
+                if x == 0:
                     ans[i][j] = 0
                     q.append((i, j))
-        dirs = [(0, 1), (0, -1), (1, 0), (-1, 0)]
+        dirs = (-1, 0, 1, 0, -1)
         while q:
             i, j = q.popleft()
-            for a, b in dirs:
+            for a, b in pairwise(dirs):
                 x, y = i + a, j + b
                 if 0 <= x < m and 0 <= y < n and ans[x][y] == -1:
                     ans[x][y] = ans[i][j] + 1
@@ -87,30 +87,29 @@ class Solution:
 
 ```java
 class Solution {
-
     public int[][] updateMatrix(int[][] mat) {
         int m = mat.length, n = mat[0].length;
         int[][] ans = new int[m][n];
-        for (int i = 0; i < m; ++i) {
-            Arrays.fill(ans[i], -1);
+        for (int[] row : ans) {
+            Arrays.fill(row, -1);
         }
-        Deque<int[]> q = new LinkedList<>();
+        Deque<int[]> q = new ArrayDeque<>();
         for (int i = 0; i < m; ++i) {
             for (int j = 0; j < n; ++j) {
                 if (mat[i][j] == 0) {
-                    ans[i][j] = 0;
                     q.offer(new int[] {i, j});
+                    ans[i][j] = 0;
                 }
             }
         }
-        int[] dirs = new int[] {-1, 0, 1, 0, -1};
+        int[] dirs = {-1, 0, 1, 0, -1};
         while (!q.isEmpty()) {
-            int[] t = q.poll();
-            for (int i = 0; i < 4; ++i) {
-                int x = t[0] + dirs[i];
-                int y = t[1] + dirs[i + 1];
+            int[] p = q.poll();
+            int i = p[0], j = p[1];
+            for (int k = 0; k < 4; ++k) {
+                int x = i + dirs[k], y = j + dirs[k + 1];
                 if (x >= 0 && x < m && y >= 0 && y < n && ans[x][y] == -1) {
-                    ans[x][y] = ans[t[0]][t[1]] + 1;
+                    ans[x][y] = ans[i][j] + 1;
                     q.offer(new int[] {x, y});
                 }
             }
@@ -244,6 +243,36 @@ func updateMatrix(mat [][]int) [][]int {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function updateMatrix(mat: number[][]): number[][] {
+    const [m, n] = [mat.length, mat[0].length];
+    const ans: number[][] = Array.from({ length: m }, () => Array.from({ length: n }, () => -1));
+    const q: [number, number][] = [];
+    for (let i = 0; i < m; ++i) {
+        for (let j = 0; j < n; ++j) {
+            if (mat[i][j] === 0) {
+                q.push([i, j]);
+                ans[i][j] = 0;
+            }
+        }
+    }
+    const dirs: number[] = [-1, 0, 1, 0, -1];
+    while (q.length) {
+        const [i, j] = q.shift()!;
+        for (let k = 0; k < 4; ++k) {
+            const [x, y] = [i + dirs[k], j + dirs[k + 1]];
+            if (x >= 0 && x < m && y >= 0 && y < n && ans[x][y] === -1) {
+                ans[x][y] = ans[i][j] + 1;
+                q.push([x, y]);
+            }
+        }
+    }
+    return ans;
+}
+```
+
 ### **...**
 
 ```
diff --git a/solution/0500-0599/0542.01 Matrix/README_EN.md b/solution/0500-0599/0542.01 Matrix/README_EN.md
@@ -60,14 +60,14 @@ class Solution:
         ans = [[-1] * n for _ in range(m)]
         q = deque()
         for i, row in enumerate(mat):
-            for j, v in enumerate(row):
-                if v == 0:
+            for j, x in enumerate(row):
+                if x == 0:
                     ans[i][j] = 0
                     q.append((i, j))
-        dirs = [(0, 1), (0, -1), (1, 0), (-1, 0)]
+        dirs = (-1, 0, 1, 0, -1)
         while q:
             i, j = q.popleft()
-            for a, b in dirs:
+            for a, b in pairwise(dirs):
                 x, y = i + a, j + b
                 if 0 <= x < m and 0 <= y < n and ans[x][y] == -1:
                     ans[x][y] = ans[i][j] + 1
@@ -79,30 +79,29 @@ class Solution:
 
 ```java
 class Solution {
-
     public int[][] updateMatrix(int[][] mat) {
         int m = mat.length, n = mat[0].length;
         int[][] ans = new int[m][n];
-        for (int i = 0; i < m; ++i) {
-            Arrays.fill(ans[i], -1);
+        for (int[] row : ans) {
+            Arrays.fill(row, -1);
         }
-        Deque<int[]> q = new LinkedList<>();
+        Deque<int[]> q = new ArrayDeque<>();
         for (int i = 0; i < m; ++i) {
             for (int j = 0; j < n; ++j) {
                 if (mat[i][j] == 0) {
-                    ans[i][j] = 0;
                     q.offer(new int[] {i, j});
+                    ans[i][j] = 0;
                 }
             }
         }
-        int[] dirs = new int[] {-1, 0, 1, 0, -1};
+        int[] dirs = {-1, 0, 1, 0, -1};
         while (!q.isEmpty()) {
-            int[] t = q.poll();
-            for (int i = 0; i < 4; ++i) {
-                int x = t[0] + dirs[i];
-                int y = t[1] + dirs[i + 1];
+            int[] p = q.poll();
+            int i = p[0], j = p[1];
+            for (int k = 0; k < 4; ++k) {
+                int x = i + dirs[k], y = j + dirs[k + 1];
                 if (x >= 0 && x < m && y >= 0 && y < n && ans[x][y] == -1) {
-                    ans[x][y] = ans[t[0]][t[1]] + 1;
+                    ans[x][y] = ans[i][j] + 1;
                     q.offer(new int[] {x, y});
                 }
             }
@@ -236,6 +235,36 @@ func updateMatrix(mat [][]int) [][]int {
 }
 ```
 
+### **TypeScript**
+
+```ts
+function updateMatrix(mat: number[][]): number[][] {
+    const [m, n] = [mat.length, mat[0].length];
+    const ans: number[][] = Array.from({ length: m }, () => Array.from({ length: n }, () => -1));
+    const q: [number, number][] = [];
+    for (let i = 0; i < m; ++i) {
+        for (let j = 0; j < n; ++j) {
+            if (mat[i][j] === 0) {
+                q.push([i, j]);
+                ans[i][j] = 0;
+            }
+        }
+    }
+    const dirs: number[] = [-1, 0, 1, 0, -1];
+    while (q.length) {
+        const [i, j] = q.shift()!;
+        for (let k = 0; k < 4; ++k) {
+            const [x, y] = [i + dirs[k], j + dirs[k + 1]];
+            if (x >= 0 && x < m && y >= 0 && y < n && ans[x][y] === -1) {
+                ans[x][y] = ans[i][j] + 1;
+                q.push([x, y]);
+            }
+        }
+    }
+    return ans;
+}
+```
+
 ### **...**
 
 ```
diff --git a/solution/0500-0599/0542.01 Matrix/Solution.java b/solution/0500-0599/0542.01 Matrix/Solution.java
@@ -2,26 +2,26 @@ class Solution {
     public int[][] updateMatrix(int[][] mat) {
         int m = mat.length, n = mat[0].length;
         int[][] ans = new int[m][n];
-        for (int i = 0; i < m; ++i) {
-            Arrays.fill(ans[i], -1);
+        for (int[] row : ans) {
+            Arrays.fill(row, -1);
         }
-        Deque<int[]> q = new LinkedList<>();
+        Deque<int[]> q = new ArrayDeque<>();
         for (int i = 0; i < m; ++i) {
             for (int j = 0; j < n; ++j) {
                 if (mat[i][j] == 0) {
-                    ans[i][j] = 0;
                     q.offer(new int[] {i, j});
+                    ans[i][j] = 0;
                 }
             }
         }
-        int[] dirs = new int[] {-1, 0, 1, 0, -1};
+        int[] dirs = {-1, 0, 1, 0, -1};
         while (!q.isEmpty()) {
-            int[] t = q.poll();
-            for (int i = 0; i < 4; ++i) {
-                int x = t[0] + dirs[i];
-                int y = t[1] + dirs[i + 1];
+            int[] p = q.poll();
+            int i = p[0], j = p[1];
+            for (int k = 0; k < 4; ++k) {
+                int x = i + dirs[k], y = j + dirs[k + 1];
                 if (x >= 0 && x < m && y >= 0 && y < n && ans[x][y] == -1) {
-                    ans[x][y] = ans[t[0]][t[1]] + 1;
+                    ans[x][y] = ans[i][j] + 1;
                     q.offer(new int[] {x, y});
                 }
             }
diff --git a/solution/0500-0599/0542.01 Matrix/Solution.py b/solution/0500-0599/0542.01 Matrix/Solution.py
@@ -3,15 +3,15 @@ def updateMatrix(self, mat: List[List[int]]) -> List[List[int]]:
         m, n = len(mat), len(mat[0])
         ans = [[-1] * n for _ in range(m)]
         q = deque()
-        for i in range(m):
-            for j in range(n):
-                if mat[i][j] == 0:
+        for i, row in enumerate(mat):
+            for j, x in enumerate(row):
+                if x == 0:
                     ans[i][j] = 0
                     q.append((i, j))
-        dirs = [(0, 1), (0, -1), (1, 0), (-1, 0)]
+        dirs = (-1, 0, 1, 0, -1)
         while q:
             i, j = q.popleft()
-            for a, b in dirs:
+            for a, b in pairwise(dirs):
                 x, y = i + a, j + b
                 if 0 <= x < m and 0 <= y < n and ans[x][y] == -1:
                     ans[x][y] = ans[i][j] + 1
diff --git a/solution/0500-0599/0542.01 Matrix/Solution.ts b/solution/0500-0599/0542.01 Matrix/Solution.ts
@@ -0,0 +1,25 @@
+function updateMatrix(mat: number[][]): number[][] {
+    const [m, n] = [mat.length, mat[0].length];
+    const ans: number[][] = Array.from({ length: m }, () => Array.from({ length: n }, () => -1));
+    const q: [number, number][] = [];
+    for (let i = 0; i < m; ++i) {
+        for (let j = 0; j < n; ++j) {
+            if (mat[i][j] === 0) {
+                q.push([i, j]);
+                ans[i][j] = 0;
+            }
+        }
+    }
+    const dirs: number[] = [-1, 0, 1, 0, -1];
+    while (q.length) {
+        const [i, j] = q.shift()!;
+        for (let k = 0; k < 4; ++k) {
+            const [x, y] = [i + dirs[k], j + dirs[k + 1]];
+            if (x >= 0 && x < m && y >= 0 && y < n && ans[x][y] === -1) {
+                ans[x][y] = ans[i][j] + 1;
+                q.push([x, y]);
+            }
+        }
+    }
+    return ans;
+}
