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38.cpp
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38.cpp
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#include <string>
#include <list>
#include <iostream>
using namespace std;
class Solution {
public:
string countAndSay(int n) {
if(n==1) return "1";
else return readDigits(countAndSay(n-1));
}
private:
string readDigits(string n){
string result;
int count = 1;
char last = n[0];
for(int i=1; i<n.length();i++){
if(n[i] == last) count++;
else{
result = result + to_string(count) + last;
count = 1;
last = n[i];
}
}
result = result + to_string(count) + last;
return result;
}
};
int main(){
Solution s;
string r = s.countAndSay(10);
cout <<r << endl;
return 0;
}