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-rw-r--r--check_word_occur_prefix_sentence.c39
-rw-r--r--check_word_occur_prefix_sentence.py33
2 files changed, 72 insertions, 0 deletions
diff --git a/check_word_occur_prefix_sentence.c b/check_word_occur_prefix_sentence.c
new file mode 100644
index 0000000..0e60bb1
--- /dev/null
+++ b/check_word_occur_prefix_sentence.c
@@ -0,0 +1,39 @@
+// 1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence
+#include "leetcode.h"
+
+/*
+ * given a 'sentence' that consists of some words separated by a single space,
+ * and a 'searchWord', check if 'searchWord' is a prefix of any word in
+ * 'sentence'. return the index of the word in 'sentence' (1-indexed) where
+ * 'searchWord' is a prefix of the word. if 'searchWord' is a prefix of more
+ * than one word, return the index of the first word (minimum index). if there
+ * is no such word, return -1. a prefix of a string 's' is any leading
+ * contiguous substring of 's'.
+ */
+
+int isPrefixOfWord(char *sentence, char *searchWord) {
+ int word_idx = 1;
+ char *search_ptr;
+ while (*sentence != '\0') {
+ search_ptr = searchWord;
+ while (*sentence == *search_ptr && *search_ptr != '\0') {
+ ++sentence;
+ ++search_ptr;
+ }
+ if (*search_ptr == '\0')
+ return word_idx;
+ while (*sentence != '\0' && *(sentence++) != ' ')
+ ;
+ ++word_idx;
+ }
+ return -1;
+}
+
+int main() {
+ char *s1 = "i love eating burger", *sw1 = "burg";
+ char *s2 = "this problem is an easy problem", *sw2 = "pro";
+ char *s3 = "i am tired", *sw3 = "you";
+ printf("%d\n", isPrefixOfWord(s1, sw1)); // expect: 4
+ printf("%d\n", isPrefixOfWord(s2, sw2)); // expect: 2
+ printf("%d\n", isPrefixOfWord(s3, sw3)); // expect: -1
+}
diff --git a/check_word_occur_prefix_sentence.py b/check_word_occur_prefix_sentence.py
new file mode 100644
index 0000000..aa16f70
--- /dev/null
+++ b/check_word_occur_prefix_sentence.py
@@ -0,0 +1,33 @@
+# 1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence
+
+"""
+given a 'sentence' that consists of some words separated by a single space,
+and a 'searchWord', check if 'searchWord' is a prefix of any word in
+'sentence'. return the index of the word in 'sentence' (1-indexed) where
+'searchWord' is a prefix of the word. if 'searchWord' is a prefix of more
+than one word, return the index of the first word (minimum index). if there
+is no such word, return -1. a prefix of a string 's' is any leading
+contiguous substring of 's'.
+"""
+
+
+class Solution(object):
+ def isPrefixOfWord(self, sentence, searchWord):
+ """
+ :type sentence: str
+ :type searchWord: str
+ :rtype: int
+ """
+ for i, w in enumerate(sentence.split(" "), 1):
+ if w.startswith(searchWord):
+ return i
+ return -1
+
+
+if __name__ == "__main__":
+ obj = Solution()
+ print(obj.isPrefixOfWord(sentence="i love eating burger", searchWord="burg"))
+ print(
+ obj.isPrefixOfWord(sentence="this problem is an easy problem", searchWord="pro")
+ )
+ print(obj.isPrefixOfWord(sentence="i am tired", searchWord="you"))