0_0_4883574_19174\Main.java:1: 非法字符: \35
#include<stdio.h>
^
0_0_4883574_19174\Main.java:2: 非法字符: \35
#include<math.h>
^
0_0_4883574_19174\Main.java:6: 需要为 class、interface 或 enum
while(scanf("%lf %lf %lf %lf",&a,&b,&c,&d)!=EOF)
^
0_0_4883574_19174\Main.java:9: 需要为 class、interface 或 enum
printf("%.2lf\n",s);
^
0_0_4883574_19174\Main.java:10: 需要为 class、interface 或 enum
}
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