#include<bits/stdc++.h>
using namespace std;
int main()
{
long int n, m;
// n is Main Number && m is Base;
while(cin >> n >> m)
{
long double sum = 0;
int i;
for(i=1;i<=n;i++)
{
sum += log10(i)/log10(m);
}
long int p = floor(sum) + 1;
cout << "Number Of Digit :: " << p << endl;
}
return 0;
}
using namespace std;
int main()
{
long int n, m;
// n is Main Number && m is Base;
while(cin >> n >> m)
{
long double sum = 0;
int i;
for(i=1;i<=n;i++)
{
sum += log10(i)/log10(m);
}
long int p = floor(sum) + 1;
cout << "Number Of Digit :: " << p << endl;
}
return 0;
}
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