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59 lines (59 loc) · 991 Bytes
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Prime String.cpp
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59 lines (59 loc) · 991 Bytes
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#include<bits/stdc++.h>
using namespace std;
bool test(int n)
{
if(n<2)
return 0;
if(n==2 || n==3)
{
return 1;
}
if (n%2 == 0 || n%3 == 0) return 0;
for(int i=5;i<=sqrt(n);i+=6)
{
if(n%i==0 || n%(i+2)==0)
{
return 0;
}
}
return 1;
}
int main()
{
int t;
cin>>t;
while(t--)
{
unordered_map<char,int>m;
set<char>st;
string s;
cin>>s;
for(char ch:s)
{
m[ch]++;
st.insert(ch);
}
int flag=1;
if(test(st.size()))
{
for(auto i:m)
{
if(!test(i.second))
{
flag=0;
break;
}
}
}
if(!test(st.size()))
{
flag=0;
}
if(flag==1)
{
cout<<"YES"<<endl;
}
else
cout<<"NO"<<endl;
}
}