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结果和你一样么 怎么就是wa啊 帮看看

Posted by gqxu at 2005-10-15 17:49:01 on Problem 2663
if(n==2)printf("3\n");
if(n==4)printf("11\n");
if(n==6)printf("41\n");
if(n==8)printf("153\n");
if(n==10)printf("571\n");
if(n==12)printf("2132\n");
if(n==14)printf("7953\n");
if(n==16)printf("29681\n");
if(n==18)printf("110771\n");
if(n==20)printf("413403\n");
if(n==22)printf("1542841\n");
if(n==24)printf("5757961\n");
if(n==26)printf("21489003\n");
if(n==28)printf("80198051\n");
if(n==30)printf("299303201\n");
其他数字输出0

那里不对啊  提交总是错误啊

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