题解 | 笨小猴

#include <stdio.h>
#include <string.h>
#include "stdbool.h"
int main() {
   int word[27]={0};
   char str[100];
   scanf("%s",str);
   int length=strlen(str);
   for(int i=0;i<length;i++)
   {
    word[str[i]-96]++;
   }
   int maxn=0,minn=101;
   for(int i=1;i<=26;i++)
   {
    if(word[i]<minn&&word[i]!=0)
    minn=word[i];
    if(word[i]>maxn)
    {
        maxn=word[i];
    }
   }
   if(maxn-minn==0||maxn-minn==1)
   {
    printf("No Answer\n0");
    return 0;
   }
   if(maxn-minn==2)
   {
    printf("Lucky Word\n2");
    return 0;
   }
   
   bool mark=true;
     for(int i=2;i<(maxn-minn);i++)
     {
        if((maxn-minn)%i==0)
        {
             mark=false;
             break;
        }
       
     }

     if(mark)
     {
        printf("Lucky Word\n%d",maxn-minn);
     }else {
     printf("No Answer\n%d",maxn-minn);
     }
    return 0;
}