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View Compilation Error

0_0_3199190_11001\Main.java:1: 非法字符: \35
#include<stdio.h>
^
0_0_3199190_11001\Main.java:5: 需要为 class、interface 或 enum
  	 while(scanf("%f",&a)!=EOF)
  	 ^
0_0_3199190_11001\Main.java:8: 需要为 class、interface 或 enum
     else printf("%.2f\n",-a);
     ^
0_0_3199190_11001\Main.java:9: 需要为 class、interface 或 enum
	 }
	 ^
0_0_3199190_11001\Main.java:11: 需要为 class、interface 或 enum
}


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