mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-12-25 08:32:00 +00:00
25 lines
399 B
C++
25 lines
399 B
C++
// R38856378
|
|
|
|
#include <bits/stdc++.h>
|
|
|
|
using namespace std;
|
|
|
|
string d(int x, int i, string s) {
|
|
if (x == 0) {
|
|
return "0";
|
|
}
|
|
do {
|
|
if (x & 1) {
|
|
s = (i == 1 ? "2" : "2(" + d(i, 0, "") + ")") + (s == "" ? "" : "+") + s;
|
|
}
|
|
} while (++i, x >>= 1);
|
|
return s;
|
|
}
|
|
|
|
int main() {
|
|
int n;
|
|
cin >> n;
|
|
cout << d(n, 0, "") << endl;
|
|
return 0;
|
|
}
|