Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 153285 Accepted Submission(s): 75489
#include<stdio.h>
int main()
{
int n,i;
int a[60];
a[1]=1,a[2]=2,a[3]=3,a[4]=4,a[5]=6;
for(i=6;i<60;i++)
a[i]=a[i-3]+a[i-1];
while(scanf("%d",&n)!=EOF&&n)
{
printf("%d\n",a[n]);
}
return 0;
}
原文：https://www.cnblogs.com/chenyu-123/p/13901139.html