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View Compilation Error

0_0_26584272_3063\Main.java:3: 错误: 找不到符号
		Scanner a=new Scanner(System.in);
		^
  符号:   类 Scanner
  位置: 类 p1
0_0_26584272_3063\Main.java:3: 错误: 找不到符号
		Scanner a=new Scanner(System.in);
		              ^
  符号:   类 Scanner
  位置: 类 p1
0_0_26584272_3063\Main.java:4: 错误: 找不到符号
		Scanner b=new Scanner(System.in);
		^
  符号:   类 Scanner
  位置: 类 p1
0_0_26584272_3063\Main.java:4: 错误: 找不到符号
		Scanner b=new Scanner(System.in);
		              ^
  符号:   类 Scanner
  位置: 类 p1
4 个错误


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