HDU4523+简单

题意很简单。
一次最多多切出一条边！
其余的就没什么好说的了
 1 import java.util.*;
 2 import java.math.*;
 3 public class Main{
 4     public static void main( String[] args ){
 5         Scanner cin = new Scanner( System.in );
 6         BigInteger n,m,p;
 7         while( cin.hasNext() ){
 8             n = cin.nextBigInteger();
 9             m = cin.nextBigInteger();
10             p = cin.nextBigInteger();
11             if( m.compareTo(BigInteger.valueOf(3))<0 ){
12                 System.out.println("NO");
13                 continue;
14             }
15             if( m.compareTo(n)==0 ){//n==m
16                 System.out.println("YES");
17                 continue;
18             }
19             if( n.compareTo(m)<0 ){//n<m
20                 if( m.compareTo(p.add(n))<=0 )
21                     System.out.println("YES");
22                 else 
23                     System.out.println("NO");
24                 continue;
25             }
26             //n>m
27             if( p.compareTo(BigInteger.valueOf(1))>=0 ) 
28                 System.out.println("YES");
29             else 
30                 System.out.println("NO");
31         }
32     }
33 }
View Code
keep moving...