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| #include <bits/stdc++.h>
using namespace std;
void f(int x)
{
for (int i = 30; i >= 0; --i)
{
if (x & (1 << i))
{
if (i == 0)
cout << "2(0)";
else if (i == 1)
cout << "2";
else
cout << "2(", f(i), cout << ")";
x ^= 1 << i;
if (x)
cout << "+";
}
}
}
int main()
{
int n;
cin >> n;
f(n);
return 0;
}
|