HDU——1005(找规律)
2012-08-12 10:48
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题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1005
借鉴地址:http://blog.csdn.net/kay_sprint/article/details/6892385
源代码:
#include <stdio.h>
#include <string.h>
int s[50];
int main()
{
int a,b,n,i;
while(scanf("%d%d%d",&a,&b,&n),a || b || n)
{
int i;
s[0]=s[1]=1;
for(i = 2; i<50;i++)
{
s[i] = (a*s[i-1]+b*s[i-2])%7;
if(s[i] ==1 && s[i-1] == 1)
{break;}
}
n = n%(i-1);
if(n == 0)
printf("%d\n",s[i-2]);
else
printf("%d\n",s[n-1]);
}
return 0;
}
借鉴地址:http://blog.csdn.net/kay_sprint/article/details/6892385
源代码:
#include <stdio.h>
#include <string.h>
int s[50];
int main()
{
int a,b,n,i;
while(scanf("%d%d%d",&a,&b,&n),a || b || n)
{
int i;
s[0]=s[1]=1;
for(i = 2; i<50;i++)
{
s[i] = (a*s[i-1]+b*s[i-2])%7;
if(s[i] ==1 && s[i-1] == 1)
{break;}
}
n = n%(i-1);
if(n == 0)
printf("%d\n",s[i-2]);
else
printf("%d\n",s[n-1]);
}
return 0;
}
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