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input=0->output=1In Reply To:同志们,看看我的程序,测试数据都是对的,而且我没能发现错误,请求帮助 Posted by:gardner at 2005-10-15 23:54:53 > #include <stdio.h> > long tri(int n) > { > if(n==1)return 3; > if(n==2)return 11; > long sum,i,temp; > sum=1; > temp=3; > for(i=1;i<n;i++){ > sum=sum+temp; > temp=3*temp+2*(sum-temp); > } > return temp; > } > void main() > { > int input; > scanf("%d",&input); > while(input!=-1){ > if(input%2==1||input==0)printf("0\n"); > else printf("%ld\n",tri(input/2)); > scanf("%d",&input); > } > } Followed by: Post your reply here: |
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