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View Compilation Error

0_0_22397967_32407\Main.java:32: 错误: 不兼容的类型: String无法转换为String[]
			 String[] ss=s.toString();
			                       ^
0_0_22397967_32407\Main.java:33: 错误: 二元运算符 '-' 的操作数类型错误
         	for(int i=1;i<=ss[0]-'0';i++)
         	                    ^
  第一个类型:  String
  第二个类型: char
2 个错误


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