UVA10494:If We Were a Child Again 大数除法加取余 import java.util.Arrays; import java.util.Scanner; import java.math.*; public class Main { public static void main(String[] args) { Scanner cin = new Scanner(System.in); BigInteger a,b; String s; while(cin.ha…
HDU1002:大数加法,PE了N次 import java.util.Scanner; import java.math.*; public class Main { public static void main(String[] args) { Scanner cin = new Scanner(System.in); int T; T=cin.nextInt(); for(int z=1;z<=T;z++) { if(z!=1) System.out.println(); BigInte…
SDUT2525:A-B (模板题) import java.util.Scanner; import java.math.*; public class Main { public static void main(String[] args) { Scanner ci = new Scanner(System.in); BigInteger a; BigInteger b; while(ci.hasNext()) { a=ci.nextBigInteger(); b=ci.nextBigIn…
1.Object reference not set to an instance of an object. 未将对象引用(引用)到对象的实例,说白了就是有个对象为null,但是你在用它点出来的各种东西. 2.An entity object cannot be referenced by multiple instances of IEntityChangeTracker. 一个实体对象不能由多个IEntityChangeTracker实例引用.首先参见MSDN中对于Entity Frame…