一个点没过

#include<bits/stdc++.h>
using namespace std;
int b[1005];
bool zhishupanduan(int x){
    if(x==1){
        return false;
    }
    for (int i=2; i<=sqrt(x); i++) {
        if(x%i==0){
            return false;
        }
    }
    return true;
}
int main(){
        char a[1005];
        int n,max=0,min=10000000,x,i;
        cin>>a;
        n=strlen(a);
        for(i=0;i<n;i++) b[a[i]-'a']++;						
        for(i=1;i<=25;i++)
        {
                if(b[i]>max) max=b[i];
                if(b[i]!=0 && b[i]<min) min=b[i];
		}

        x=max-min;
        if(zhishupanduan(x)==1) cout<<"Lucky Word"<<endl<<x;
        else cout<<"No Answer"<<endl<<0;
        return 0;
}