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B.cpp
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B.cpp
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#include<bits/stdc++.h>
#include<string>
using namespace std;
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL)
int main()
{
fastio;
long long t,n,k,i,p,q,x;
cin>>t;
while(t--)
{
p=-1;
q=-1;
k=INT_MAX;
cin>>n;
string num=to_string(n);
x=num.size();
for(i=num.size();i>=0;i--)
{
if(num[i]=='5')
{
p=i;
break;
}
}
if(p!=-1)
{
for(i=p-1;i>=0;i--)
{
if(num[i]=='2')
{
q=i;
break;
}
}
if(q!=-1)
{
k=min(k,x-q-2);
}
q=-1;
for(i=p-1;i>=0;i--)
{
if(num[i]=='7')
{
q=i;
break;
}
}
if(q!=-1)
{
k=min(k,x-q-2);
}
}
p=-1;
for(i=num.size();i>=0;i--)
{
if(num[i]=='0')
{
p=i;
break;
}
}
if(p!=-1)
{
for(i=p-1;i>=0;i--)
{
if(num[i]=='0')
{
q=i;
break;
}
}
if(q!=-1)
{
k=min(k,x-q-2);
}
q=-1;
for(i=p-1;i>=0;i--)
{
if(num[i]=='5')
{
q=i;
break;
}
}
if(q!=-1)
{
k=min(k,x-q-2);
}
}
cout<<k<<"\n";
}
return 0;
}