极简题解|笨小猴

#include<bits/stdc++.h>
using namespace std;
int a[26],c,d=100;
int main(){
    string b;
    cin>>b;
    for(int i=0;i<b.size();i++){
        a[b[i]-'a']++;
    }
    for(int i=0;i<26;i++){
        if(a[i]==0){
            continue;
        }
        if(a[i]>c){
            c=a[i];
        }
        if(a[i]<d){
            d=a[i];
        }
    }
    c-=d;
    for(int i=2;i<sqrt(c);i++){
        if(c%i==0){
            cout<<"No Answer"<<endl<<0;
            return 0;
        }
    }
    if(c==0 || c==1){
        cout<<"No Answer"<<endl<<0;
        return 0;
    }
    cout<<"Lucky Word"<<endl<<c;
    return 0;
}