Create Adding Spaces to a String.java

varunu28 · web-flow · commit 503b8c4d9868 · 2021-12-19T06:53:05.000-08:00
diff --git a/Medium/Adding Spaces to a String.java b/Medium/Adding Spaces to a String.java
@@ -0,0 +1,12 @@
+class Solution {
+  public String addSpaces(String s, int[] spaces) {
+    StringBuilder sb = new StringBuilder();
+    int startIdx = 0;
+    for (int spaceIdx : spaces) {
+      sb.append(s.substring(startIdx, spaceIdx)).append(" ");
+      startIdx = spaceIdx;
+    }
+    sb.append(s.substring(startIdx));
+    return sb.toString();
+  }
+}
