Create 1455. Check If a Word Occurs As a Prefix of Any Word in a Sent…

1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence

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+class Solution {
+public:
+    int isPrefixOfWord(string sentence, string searchWord) {
+        int l = 0, r = 0, it = 0, ord = 0;
+        sentence += " "; // Append space to handle the last word
+        int length = searchWord.size();
+
+        while (r < sentence.size()) {
+            if (sentence[r] == ' ') { // If a space is found
+                ord++; // Increment word index
+                if (r - l >= length) { // Check if the word is long enough
+                    while (l < r) { // Compare characters
+                        if (searchWord[it] == sentence[l]) {
+                            l++;
+                            it++;
+                            if (it == length) { // If all characters match
+                                return ord; // Return the word index
+                            }
+                        } else { // Reset pointers for the next word
+                            it = 0;
+                            l = r + 1;
+                            break;
+                        }
+                    }
+                } else {
+                    l = r + 1; // Move to the next word
+                }
+            }
+            r++; // Increment right pointer
+        }
+
+        return -1; // Return -1 if no match is found
+    }
+};