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View Compilation Error

0_0_32491945_6652\Main.java:42: 错误: 二元运算符 '-' 的操作数类型错误
                                s1 = s1-s.strMark[i].charAt(k);
                                       ^
  第一个类型:  String
  第二个类型: char
1 个错误


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