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#include "leetcode.h"
#include <cmath>
#include <string>
class Solution {
public:
string thousandSeparator(int n) {
string s = to_string(n);
if (trunc(log10(n)) + 1 < 4)
return s;
return s;
}
};
int main() {
Solution obj;
obj.thousandSeparator(1234);
// cout << obj.thousandSeparator(1234);
}
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