hdu 1005

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1005

思路:找规律题

 1 #include<stdio.h>
 2 main()
 3 {
 4     int s[100];
 5     int a,b,n,i;
 6     while(scanf("%d%d%d",&a,&b,&n)!=EOF&&(a||b||n))
 7     {
 8         s[1]=1;
 9         s[2]=1;
10         for(i=3;i<=49;i++)
11         {
12             s[i]=(a*s[i-1]+b*s[i-2])%7;
13         }
14         printf("%d
",s[n%49]);
15     }
16     return 0;
17 }
18  
原文地址:https://www.cnblogs.com/pter/p/4979176.html