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3 years ago
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#include <iostream>
using namespace std;
int d(int a)
{
for (int i=0; a > 0; i++)
{
if (a > 0)a /= 10;
else if (a == 0)return i;
}
}
int main()
{
int a;
cin >> a;
cout << d(a);
}
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