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10622_power.cpp
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using namespace std;
#include<iostream>
#include<cmath>
#include<cstring>
/*long long int power(long long int i,long long int cnt)
{
long long int product = i,k;
for ( k = 2; k <= cnt; k++ )
{
product *= i;
}
return product;
}*/
int main()
{
long long int n,i,cnt,m,temp;
while(cin>>n&&n)
{
int flag=1;
if(n<0)
{
temp=sqrt((-n));
for(i=-2;i>=-temp;i--)
{
m=i;
cnt=2;
while(m>n)
{
m=power(i,cnt);
cnt++;
}
if(m==n)
{
cout<<cnt-1<<endl;
flag=0;
break;
}
}
}
else
{
temp=sqrt(n);
for(i=2;i<=sqrt(n);i++)
{
m=i;
cnt=2;
while(m<n)
{
m=power(i,cnt);
cnt++;
}
if(m==n)
{
cout<<cnt-1<<endl;
flag=0;
break;
}
}
}
if(flag)
cout<<1<<endl;
}
return 0;
}