[洛谷]P1125 [NOIP2008 提高组] 笨小猴 2021-03-26 5 笔记 ```cpp #include<iostream> #include<string> #include<cmath> using namespace std; int maxn,minn=1e9,x; int a[26];bool flag; int main(){ string s;cin>>s; int len=s.length(); for(int i=0;i<len;i++){ a[s[i]-'a']++; } for(int i=0;i<=25;i++) { if(a[i]!=0&&a[i]>maxn) { maxn=a[i]; } if(a[i]!=0&&a[i]<minn) { minn=a[i]; } } int ans=maxn-minn; if(ans==0||ans==1) { cout<<"No Answer"<<endl; cout<<0<<endl;return 0; } for(int i=2;i<=sqrt(ans);i++) { if(ans%i==0) { flag=1;break; } } if(flag==0) { cout<<"Lucky Word"<<endl; cout<<ans<<endl; } return 0; } ``` 本文链接： https://shrinken.pw/crash-2021-03-26_30-fml.html