feat: 2025-10-27打卡

2025-10-27 16:22:33 +08:00
parent 6dc597fa75
commit d910c716e6
10 changed files with 501 additions and 0 deletions
--- a/838.push-dominoes.java
+++ b/838.push-dominoes.java
@@ -0,0 +1,57 @@
+/*
+ * @lc app=leetcode id=838 lang=java
+ *
+ * [838] Push Dominoes
+ */
+
+// @lc code=start
+class Solution {
+    public String pushDominoes(String dominoes) {
+        final int N = dominoes.length();
+        int[] states = new int[dominoes.length()];
+        for(int i = 0; i<dominoes.length(); i++) {
+            if(dominoes.charAt(i) == 'L') {
+                states[i] -= N;
+                int j = i-1;
+                int fluence = N;
+                while(j>=0) {
+                    --fluence;
+                    states[j] -= fluence; 
+                    if(dominoes.charAt(j) !='.') {
+                        break;
+                    }
+                    j--;
+                }
+            } else if(dominoes.charAt(i) == 'R') {
+                states[i] += N;
+                int j = i+1;
+                int fluence = N;
+                while(j < dominoes.length()) {
+                    --fluence;
+                    states[j] += fluence;
+                    if(dominoes.charAt(j) != '.') {
+                        break;
+                    }
+                    j++;
+                }
+
+            } else {
+                continue;
+            }
+        }
+        StringBuilder sb = new StringBuilder();
+        for(int i = 0; i<states.length; i++) {
+            if(states[i] < 0) {
+                sb.append('L');
+            } else if(states[i] > 0) {
+                sb.append('R');
+            } else {
+                sb.append('.');
+            }
+        }
+        return sb.toString();
+
+    }
+}
+// @lc code=end
+