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View Compilation Error

0_0_21820291_19778\Main.java:1: 错误: 需要class, interface或enum
public static char[] getpoli(char[] s,int len){
              ^
0_0_21820291_19778\Main.java:3: 错误: 需要class, interface或enum
		for(int i = haf,j = len/2 - 1 ;i<len;i++,j--){
		^
0_0_21820291_19778\Main.java:3: 错误: 需要class, interface或enum
		for(int i = haf,j = len/2 - 1 ;i<len;i++,j--){
		                               ^
0_0_21820291_19778\Main.java:3: 错误: 需要class, interface或enum
		for(int i = haf,j = len/2 - 1 ;i<len;i++,j--){
		                                     ^
0_0_21820291_19778\Main.java:5: 错误: 需要class, interface或enum
		}
		^
0_0_21820291_19778\Main.java:7: 错误: 需要class, interface或enum
	}
	^
0_0_21820291_19778\Main.java:9: 错误: 需要class, interface或enum
	public static void main(String[] args) {
	              ^
0_0_21820291_19778\Main.java:11: 错误: 需要class, interface或enum
		Scanner in = new Scanner(System.in);
		^
0_0_21820291_19778\Main.java:12: 错误: 需要class, interface或enum
		t = in.nextInt();
		^
0_0_21820291_19778\Main.java:13: 错误: 需要class, interface或enum
		BigInteger a;
		^
0_0_21820291_19778\Main.java:14: 错误: 需要class, interface或enum
		for(int xx = 0;xx<t;xx++) {
		^
0_0_21820291_19778\Main.java:14: 错误: 需要class, interface或enum
		for(int xx = 0;xx<t;xx++) {
		               ^
0_0_21820291_19778\Main.java:14: 错误: 需要class, interface或enum
		for(int xx = 0;xx<t;xx++) {
		                    ^
0_0_21820291_19778\Main.java:16: 错误: 需要class, interface或enum
			System.out.println("Case #" + (xx+1) + ":");
			^
0_0_21820291_19778\Main.java:17: 错误: 需要class, interface或enum
			while(!a.equals(new BigInteger("0"))){
			^
0_0_21820291_19778\Main.java:19: 错误: 需要class, interface或enum
				char[] s = new char[len];
				^
0_0_21820291_19778\Main.java:20: 错误: 需要class, interface或enum
				s = a.toString().toCharArray();
				^
0_0_21820291_19778\Main.java:21: 错误: 需要class, interface或enum
				s = getpoli(s,len);
				^
0_0_21820291_19778\Main.java:22: 错误: 需要class, interface或enum
				BigInteger x = new BigInteger(new String(s));
				^
0_0_21820291_19778\Main.java:24: 错误: 需要class, interface或enum
				if(x.compareTo(a) > 0){
				^
0_0_21820291_19778\Main.java:26: 错误: 需要class, interface或enum
					if(len==2) haf = 2;
					^
0_0_21820291_19778\Main.java:27: 错误: 需要class, interface或enum
					char[] ns = new char[haf];
					^
0_0_21820291_19778\Main.java:28: 错误: 需要class, interface或enum
					ns[0] = '1';
					^
0_0_21820291_19778\Main.java:29: 错误: 需要class, interface或enum
					for(int i = 1;i<haf;i++){
					^
0_0_21820291_19778\Main.java:29: 错误: 需要class, interface或enum
					for(int i = 1;i<haf;i++){
					              ^
0_0_21820291_19778\Main.java:29: 错误: 需要class, interface或enum
					for(int i = 1;i<haf;i++){
					                    ^
0_0_21820291_19778\Main.java:31: 错误: 需要class, interface或enum
					}
					^
0_0_21820291_19778\Main.java:33: 错误: 需要class, interface或enum
					x = x.subtract(jian);
					^
0_0_21820291_19778\Main.java:34: 错误: 需要class, interface或enum
					s = x.toString().toCharArray();
					^
0_0_21820291_19778\Main.java:35: 错误: 需要class, interface或enum
					len = x.toString().length();
					^
0_0_21820291_19778\Main.java:36: 错误: 需要class, interface或enum
					s = getpoli(s,len);
					^
0_0_21820291_19778\Main.java:37: 错误: 需要class, interface或enum
				}
				^
0_0_21820291_19778\Main.java:40: 错误: 需要class, interface或enum
				System.out.println(s);
				^
0_0_21820291_19778\Main.java:42: 错误: 需要class, interface或enum
			}
			^
34 个错误


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