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- #include <bits/stdc++.h>
- using namespace std;
- #define ll long long
- #define test int t; cin>>t; for(int cs=1;cs<=t;cs++)
- int main()
- {
- ios_base::sync_with_stdio(0);
- cin.tie(0);cout.tie(0);
- ll f[25];
- ll i,j,k,l;
- f[0]=1;
- for(i=1;i<=20;i++)
- {
- f[i]=f[i-1]*i;
- }
- string a;
- test
- {
- cin>>a;
- l=1;
- map<char,ll>x;
- for(i=0;i<a.size();i++)
- {
- x[a[i]]++;
- }
- l=f[a.size()];
- for(char s='A' ;s<='Z';s++)
- {
- if(x[s]) l/=f[x[s]];
- }
- cout<<"Data set "<<cs<<": "<<l<<endl;
- }
- return 0;
- }
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