Leetcode/src/main/java/com/fishercoder/solutions/fourththousand/_3206.java at master · fishercoder1534/Leetcode · GitHub

Name: Leetcode/src/main/java/com/fishercoder/solutions/fourththousand/_3206.java at master · fishercoder1534/Leetcode · GitHub
Rating: 4.9 (2888 reviews)
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packagecom.fishercoder.solutions.fourththousand;

publicclass_3206 {
publicstaticclassSolution1 {
publicintnumberOfAlternatingGroups(int[] colors) {
intresult = 0;
intlen = colors.length;
for (inti = 0; i < len; i++) {
if (i == 0) {
if (colors[i] != colors[len - 1] && colors[i] != colors[i + 1]) {
result++;
 }
 } elseif (i < len - 1) {
if (colors[i] != colors[i - 1] && colors[i] != colors[i + 1]) {
result++;
 }
 } else {
if (colors[i] != colors[i - 1] && colors[i] != colors[0]) {
result++;
 }
 }
 }
returnresult;
 }
 }
}