139. Help Needed! time limit per test: 0.25 sec. memory limit per test: 4096 KB Little Johnny likes puzzles a lot! Just a few days ago, he found out about the 'traditional' 4x4 puzzle. For this puzzle, you have all the numbers from 0 to 15 arranged i…
题意: 判断15数码问题是否有解. 如果0的偏移量和逆序对个数同奇偶则无解. 因为目标状态的偏移量为0,逆序对为15,而0移动的时候偏移量±1,逆序对的改变量为也为奇数. 这就使得偏移量和逆序对数始终不是同奇偶. 更多证明:http://blog.csdn.net/hnust_xiehonghao/article/details/7951173 #include <stdio.h> using namespace std; int a[16], res; int main() { for (i…
题目链接:http://acm.sgu.ru/problem.php?contest=0&problem=200 200. Cracking RSA time limit per test: 0.25 sec.memory limit per test: 65536 KB input: standardoutput: standard The following problem is somehow related to the final stage of many famous intege…
rpm包安装过程中依赖问题"libc.so.6 is needed by XXX"解决方法 折腾了几天,终于搞定了CentOS上的Canon LBP2900打印机驱动.中间遇到了一些问题,主要是安装rpm包出现的依赖问题,费尽周折总算是解决了.现在简单总结一下. 首先说明一下,我用的CentOS版本是6.6,64位.打印机驱动程序是两个rpm安装包:cndrvcups-common-2.60-1.x86_64.rpm和cndrvcups-capt-2.60-1.x86_64.rpm.…
水概率....SGU里难得的水题.... 495. Kids and Prizes Time limit per test: 0.5 second(s)Memory limit: 262144 kilobytes input: standardoutput: standard ICPC (International Cardboard Producing Company) is in the business of producing cardboard boxes. Recently the…
sgu 101 - Domino Time Limit:250MS Memory Limit:4096KB 64bit IO Format:%I64d & %I64u Description Dominoes – game played with small, rectangular blocks of wood or other material, each identified by a number of dots, or pips, on its face. The bl…
