最长最简单直接的代码

#include<bits/stdc++.h>
using namespace std;
int k[150],sw=-1,sv=101;
bool zhishu(int x){
	if(x==1||x==0) return 0;
	for(int i=2;i<x;i++)if(x%i==0)return 0;
	return 1;
}
int main(){
	int n;
	string m;
	cin>>m;
	n=m.length();
	for(int i=0;i<n;i++) k[int(m[i])]++;
	for(int i=0;i<150;i++){
		if(k[i]>sw) sw=k[i];
		if(k[i]<sv&&k[i]!=0) sv=k[i];
	}
	if(zhishu(sw-sv)==1) cout<<"Lucky Word"<<endl<<sw-sv;
	else cout<<"No Answer"<<endl<<0;
	return 0;
}