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View Compilation Error

0_0_2592698_10700\Main.java:1: 非法字符: \35
#include <stdio.h>
^
0_0_2592698_10700\Main.java:2: 非法字符: \35
#include <math.h>
^
0_0_2592698_10700\Main.java:6: 需要为 class、interface 或 enum
    double length;
    ^
0_0_2592698_10700\Main.java:8: 需要为 class、interface 或 enum
    while (scanf("%lf%lf%lf%lf",&x1,&y1,&x2,&y2) != EOF)
    ^
0_0_2592698_10700\Main.java:12: 需要为 class、interface 或 enum
        printf("%.2lf\n",length);
        ^
0_0_2592698_10700\Main.java:13: 需要为 class、interface 或 enum
    }
    ^
0_0_2592698_10700\Main.java:16: 需要为 class、interface 或 enum
}


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