/***
Md. Nazmul Hasan
Shahjalal University of Science & Technology,Sylhet.
hasan08sust@gmail.com
***/
#include<iostream>
#include<cstdio>
#include<stack>
#include<queue>
#include<map>
#include<vector>
#include<algorithm>
#include<cstring>
#include<sstream>
#include<cmath>
#include <iomanip>
using namespace std ;
typedef long long ll ;
typedef int in ;
typedef unsigned long long ull ;
const double pi = 2*acos(0) ;
#define maxi 40000
#define pf printf
#define sc scanf
#define pb push_back
#define MEM(x,y) (memset((x),(y),sizeof(x)))
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#define load(array,size) for(int i=0 ; i<size ; i++) cin>>array[i] ;
#define new_line pf("\n")
#define clear_data(array) memset(array,0,sizeof(array))
#define highest_int 2147483647
int isPrime(int n)
{
int root;
if(n ==0 || n==1)
return 0;
else if(n ==2 )
return 1;
else if(n%2==0)
return 0;
else
{
root = sqrt(n);
for(int i=3 ; i<=root ; i+=2)
{
if(n%i ==0)
return 0;
}
return 1;
}
}
int main()
{
char str[3001];
int data[150];
vector<int>value;
int test,n,cs=0;
sc("%d",&test);
getchar();
while(test--)
{
gets(str);
memset(data,0,sizeof(data));
for(int i=0 ; i<strlen(str) ; i++)
{
n = str[i];
if(data[n]==0)
value.pb(n);
data[n]++;
//pf("%d",data[n]);
}
sort(value.begin(),value.end());
bool t = false ;
pf("Case %d: ",++cs);
for(int i=0 ; i<value.size() ; i++)
{
if(isPrime(data[value[i]]))
{
pf("%c",value[i]);
t = true;
}
}
if(t == false)
pf("empty");
value.clear();
pf("\n");
}
return 0;
}
Md. Nazmul Hasan
Shahjalal University of Science & Technology,Sylhet.
hasan08sust@gmail.com
***/
#include<iostream>
#include<cstdio>
#include<stack>
#include<queue>
#include<map>
#include<vector>
#include<algorithm>
#include<cstring>
#include<sstream>
#include<cmath>
#include <iomanip>
using namespace std ;
typedef long long ll ;
typedef int in ;
typedef unsigned long long ull ;
const double pi = 2*acos(0) ;
#define maxi 40000
#define pf printf
#define sc scanf
#define pb push_back
#define MEM(x,y) (memset((x),(y),sizeof(x)))
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#define load(array,size) for(int i=0 ; i<size ; i++) cin>>array[i] ;
#define new_line pf("\n")
#define clear_data(array) memset(array,0,sizeof(array))
#define highest_int 2147483647
int isPrime(int n)
{
int root;
if(n ==0 || n==1)
return 0;
else if(n ==2 )
return 1;
else if(n%2==0)
return 0;
else
{
root = sqrt(n);
for(int i=3 ; i<=root ; i+=2)
{
if(n%i ==0)
return 0;
}
return 1;
}
}
int main()
{
char str[3001];
int data[150];
vector<int>value;
int test,n,cs=0;
sc("%d",&test);
getchar();
while(test--)
{
gets(str);
memset(data,0,sizeof(data));
for(int i=0 ; i<strlen(str) ; i++)
{
n = str[i];
if(data[n]==0)
value.pb(n);
data[n]++;
//pf("%d",data[n]);
}
sort(value.begin(),value.end());
bool t = false ;
pf("Case %d: ",++cs);
for(int i=0 ; i<value.size() ; i++)
{
if(isPrime(data[value[i]]))
{
pf("%c",value[i]);
t = true;
}
}
if(t == false)
pf("empty");
value.clear();
pf("\n");
}
return 0;
}
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