题目链接： 题目大意：给出m，求(2^m)-1化成十进制是几位 关键思想：当m很大时，-1可以不考虑。2^m=10^x=(10^log2(10))^x，x就等于2^m除以一个系数。 代码如下： #include <…

Largest Point Time Limit: 1 Sec   Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=546…

Happy Matt Friends Time Limit: 6000/6000 MS (Java/Others) Memory Limit: 510000/510000 K (Java/Others) Total Su…

Bungee Jumping Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java…

The Donkey of Gui Zhou Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=…

Starship Troopers Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/32768 K (…

Palindrome subsequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/6553…

Keywords Search Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Jav…

F(x) Time Limit: 1000/500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Tot…

3D Convex Hull Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java…

Frogs Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5514 Description …

Radar Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)T…