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View Compilation Error

0_0_14959548_10285\Main.java:1: 错误: 需要class, interface或enum
public static void main(String args[])
              ^
0_0_14959548_10285\Main.java:5: 错误: 需要class, interface或enum
		int n=0;
		^
0_0_14959548_10285\Main.java:6: 错误: 需要class, interface或enum
		int a=r.nextInt();
		^
0_0_14959548_10285\Main.java:8: 错误: 需要class, interface或enum
		while(a>0)
		^
0_0_14959548_10285\Main.java:11: 错误: 需要class, interface或enum
			int a1=r.nextInt();
			^
0_0_14959548_10285\Main.java:12: 错误: 需要class, interface或enum
			int a2=r.nextInt();
			^
0_0_14959548_10285\Main.java:13: 错误: 需要class, interface或enum
	        for(int i=a1;i<=a2;i++)
	        ^
0_0_14959548_10285\Main.java:13: 错误: 需要class, interface或enum
	        for(int i=a1;i<=a2;i++)
	                     ^
0_0_14959548_10285\Main.java:13: 错误: 需要class, interface或enum
	        for(int i=a1;i<=a2;i++)
	                           ^
0_0_14959548_10285\Main.java:16: 错误: 需要class, interface或enum
			for(int j=1;j<=i/2;j++)
			^
0_0_14959548_10285\Main.java:16: 错误: 需要class, interface或enum
			for(int j=1;j<=i/2;j++)
			            ^
0_0_14959548_10285\Main.java:16: 错误: 需要class, interface或enum
			for(int j=1;j<=i/2;j++)
			                   ^
0_0_14959548_10285\Main.java:20: 错误: 需要class, interface或enum
			}
			^
0_0_14959548_10285\Main.java:24: 错误: 需要class, interface或enum
			}
			^
0_0_14959548_10285\Main.java:27: 错误: 需要class, interface或enum
	        a--;
	        ^
0_0_14959548_10285\Main.java:28: 错误: 需要class, interface或enum
		}
		^
16 个错误


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