[恢]hdu 2042

2011-12-14 04:53:04

地址：http://acm.hdu.edu.cn/showproblem.php?pid=2042

题意：中文。。。递推。

代码：

# include <stdio.h>

int dp[35] = {3} ;int main (){int i, n, num ;for (i = 1 ; i <= 30 ; i++)        dp[i] = (dp[i-1]-1) * 2 ;    scanf ("%d", &n) ;while (n--)    {        scanf ("%d", &num) ;        printf ("%d\n", dp[num]) ;    }return 0 ;}

转载于:https://www.cnblogs.com/lzsz1212/archive/2012/01/06/2314522.html

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