问题标题: 酷町堂：3103

题目链接： 酷町堂：3103

#include <iostream>

#include <algorithm>

#include <cstdio>

#include <cmath>

#include <iomanip>

#include <stdio.h>

#include <string>

#include <cstring>

using namespace std;

string a;

int maxn,b[200],minn;

bool f(int x){

int sum=1;

if(x==1){

return false;

}

for(int i=2;i<=x/2;i++){

if(x%i==0){

return false;

}

}

return true;

}

int main(){

    cin>>a;

for(int i=0;i<=a.size()-1;i++){

b[a[i]]++;

}

for(int i=97;i<=160;i++){

minn=min(minn,b[i]);

maxn=max(maxn,b[i]);

}

if(f(maxn-minn)){

cout<<"Lucky Word"<<endl<<maxn-minn;

}else{

cout<<"No Answer"<<endl<<maxn-minn;

}

    return 0;

}