- 龙凤苑中学BC班6.15-周末课
笨小猴
- @ 2024-6-15 17:10:28
#include<bits/stdc++.h>
using namespace std;
bool isp(int n){
int i;
if(n==1||n==0) return 0;
for(i=2;i*i<n;i++){
if(n%i==0&&n!=2){
return 0;
}
}
return 1;
}
int main(){
int maxn=-1231,minn=12463;
char a[100];
int n,sum;
cin>>a;
n=strlen(a);
for(int i=0;i<n;i++){
int cnt=0;
for(int j=0;j<n;j++){
if(a[i]==a[j]){
cnt++;
}
}
if(cnt>maxn){
maxn=cnt;
}
if(cnt<minn){
minn=cnt;
}
}
sum=maxn-minn;
if(isp(sum)==1){
cout<<"Lucky Word"<<endl;
cout<<sum;
}else if(isp(sum)==0){
cout<<"No Answer"<<endl;
cout<<0;
}
}
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