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// 2490. Circular Sentence
#include "leetcode.h"
/*
* a sentence is a list of words that are separated by a single space with no
* leading or trailing spaces. words consist of only uppercase and lowercase
* english letters. uppercase and lowercase english letters are considered
* different. a sentence is circular if the last character of a word is equal to
* the first character of the next word, the last chracter of the last word is
* equal to the first character of the first word. given a string 'sentence',
* return 'true' if it is a circular sentence, and 'false' otherwise.
*/
bool isCircularSentence(char *sentence) {
int n = strlen(sentence);
if (sentence[0] != sentence[n - 1])
return false;
for (int i = 0; i < n; i++)
if (sentence[i] == ' ' && sentence[i - 1] != sentence[i + 1])
return false;
return true;
}
int main() {
char *s1 = "leetcode exercises sound delightful", *s2 = "eetcode",
*s3 = "Leetcode is cool";
printf("%d\n", isCircularSentence(s1)); // expect: 1
printf("%d\n", isCircularSentence(s2)); // expect: 1
printf("%d\n", isCircularSentence(s3)); // expect: 0
}
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