startup.s启动代码文件: ; Enter Supervisor Mode and set its Stack Pointer MSR CPSR_c, #Mode_SVC:OR:I_Bit:OR:F_Bit MOV SP, R0 SUB R0, R0, #SVC_Stack_Size ; Enter User Mode and set its Stack Pointer MSR CPSR_c, #Mode_USR 其中 1. MSR CPSR_c, #Mode_SVC:OR:I_B…
题目链接: http://poj.org/problem? id=1780 Code Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2037 Accepted: 751 Description KEY Inc., the leading company in security hardware, has developed a new kind of safe. To unlock it, you don't nee…
题目链接:UVa 10023 import java.math.BigInteger; import java.util.Scanner; public class Main { public static void sqrt(BigInteger bi){ String str; str=bi.toString(); int m=str.length(); if(m%2!=0) str="0"+str; BigInteger a,b,c,d,ans; b=BigInteger.val…