class Solution {

public String countAndSay(int n) {

if (n <= 0) return "";

String st = "1";

String result = "";

while (n > 1) {

char x = st.charAt(0);

int cnt = 1;

for (int i = 1; i < st.length(); i++) {

if (st.charAt(i) == x) cnt++;

else {

result = result + cnt + x;

x = st.charAt(i);

cnt = 1;

}

}

result = result + cnt + x;

st = result;

result = "";

n--;

}

return st;

}

}