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36 changes: 36 additions & 0 deletions src/Programmers/seokchain/lv2_문자열압축/Solution.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
class Solution{

public int solution(String s) {
int answer = s.length();

for (int i = 1; i <= s.length() / 2; i++) {
int pos = 0;
int len = s.length();

for (; pos + i <= s.length(); ) {
String unit = s.substring(pos, pos + i);
pos += i;

int cnt = 0;
for (; pos + i <= s.length(); ) {
if (unit.equals(s.substring(pos, pos + i))) {
cnt++;
pos += i;
} else {
break;
}
}

if (cnt > 0) {
len -= i * cnt;
if (cnt < 9) len += 1;
else if (cnt < 99) len += 2;
else if (cnt < 999) len += 3;
else len += 4;
}
}
answer = Math.min(answer, len);
}
return answer;
}
}