0_0_18442494_17363\Main.java:1: 错误: 非法字符: '#'
#include<stdio.h>
^
0_0_18442494_17363\Main.java:1: 错误: 需要class, interface或enum
#include<stdio.h>
^
0_0_18442494_17363\Main.java:2: 错误: 非法字符: '#'
#include<math.h>
^
0_0_18442494_17363\Main.java:5: 错误: 需要class, interface或enum
double r;
^
0_0_18442494_17363\Main.java:6: 错误: 需要class, interface或enum
if(x==0&&y>0)return 0;
^
0_0_18442494_17363\Main.java:7: 错误: 需要class, interface或enum
else if(x==0&&y<0)return 180;
^
0_0_18442494_17363\Main.java:8: 错误: 需要class, interface或enum
else if(y==0&&x>0)return 90;
^
0_0_18442494_17363\Main.java:9: 错误: 需要class, interface或enum
else if(y==0&&x<0)return 270;
^
0_0_18442494_17363\Main.java:10: 错误: 需要class, interface或enum
if(x>0&&y>0) key=0;if(x<0&&y>0) key=3;
^
0_0_18442494_17363\Main.java:10: 错误: 需要class, interface或enum
if(x>0&&y>0) key=0;if(x<0&&y>0) key=3;
^
0_0_18442494_17363\Main.java:11: 错误: 需要class, interface或enum
if(x<0&&y<0) key=2;if(x>0&&y<0) key=1;
^
0_0_18442494_17363\Main.java:11: 错误: 需要class, interface或enum
if(x<0&&y<0) key=2;if(x>0&&y<0) key=1;
^
0_0_18442494_17363\Main.java:12: 错误: 需要class, interface或enum
if(x<0)x=-x;if(y<0)y=-y;
^
0_0_18442494_17363\Main.java:12: 错误: 需要class, interface或enum
if(x<0)x=-x;if(y<0)y=-y;
^
0_0_18442494_17363\Main.java:13: 错误: 需要class, interface或enum
r=(atan2(y,x)*180.0/3.1416)+(90*key);
^
0_0_18442494_17363\Main.java:14: 错误: 需要class, interface或enum
return r;
^
0_0_18442494_17363\Main.java:15: 错误: 需要class, interface或enum
}
^
0_0_18442494_17363\Main.java:18: 错误: 需要class, interface或enum
scanf("%d",&t);
^
0_0_18442494_17363\Main.java:19: 错误: 需要class, interface或enum
while(t--){
^
0_0_18442494_17363\Main.java:21: 错误: 需要class, interface或enum
scanf("%lf%lf%lf%lf",&x1,&y1,&x2,&y2);
^
0_0_18442494_17363\Main.java:22: 错误: 需要class, interface或enum
r1=Q(x1,y1);
^
0_0_18442494_17363\Main.java:23: 错误: 需要class, interface或enum
r2=Q(x2,y2);
^
0_0_18442494_17363\Main.java:24: 错误: 需要class, interface或enum
r=r1-r2;
^
0_0_18442494_17363\Main.java:25: 错误: 需要class, interface或enum
if(r<0)r=-r;
^
0_0_18442494_17363\Main.java:26: 错误: 需要class, interface或enum
if(r>180)r=360-r;
^
0_0_18442494_17363\Main.java:27: 错误: 需要class, interface或enum
printf("%.2lf\n",r);
^
0_0_18442494_17363\Main.java:28: 错误: 需要class, interface或enum
}
^
0_0_18442494_17363\Main.java:30: 错误: 需要class, interface或enum
}
^
28 个错误
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