g2401_2500.s2490_circular_sentence.Solution Maven / Gradle / Ivy
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Java-based LeetCode algorithm problem solutions, regularly updated
package g2401_2500.s2490_circular_sentence;
// #Easy #String #2023_01_27_Time_1_ms_(99.85%)_Space_42.6_MB_(55.63%)
public class Solution {
public boolean isCircularSentence(String sentence) {
char[] letters = sentence.toCharArray();
int len = letters.length;
for (int i = 0; i < len - 1; ++i) {
if (letters[i] == ' ' && letters[i - 1] != letters[i + 1]) {
return false;
}
}
return letters[0] == letters[len - 1];
}
}