_1180.java

packagecom.fishercoder.solutions.secondthousand;

publicclass_1180 {
publicstaticclassSolution1 {
publicintcountLetters(StringS) {
intcount = 0;
for (inti = 0, j = 1; j < S.length() && i <= j; ) {
while (j < S.length() && S.charAt(i) == S.charAt(j)) {
j++;
 }
count += countTimes(S.substring(i, j));
i += S.substring(i, j).length();
 }
returncount;
 }

privateintcountTimes(Stringstr) {
intlen = str.length();
inttimes = 0;
while (len > 0) {
times += len--;
 }
returntimes;
 }
 }
}