0_0_13833997_18307\Main.java:1: 错误: 非法字符: '#'
#include<iostream>
^
0_0_13833997_18307\Main.java:1: 错误: 需要class, interface或enum
#include<iostream>
^
0_0_13833997_18307\Main.java:2: 错误: 非法字符: '#'
#include<math.h>
^
0_0_13833997_18307\Main.java:4: 错误: 非法字符: '#'
#define pi 3.1415926
^
0_0_13833997_18307\Main.java:4: 错误: 需要class, interface或enum
#define pi 3.1415926
^
0_0_13833997_18307\Main.java:8: 错误: 需要class, interface或enum
cin>>n;
^
0_0_13833997_18307\Main.java:9: 错误: 需要class, interface或enum
int a=0;
^
0_0_13833997_18307\Main.java:10: 错误: 需要class, interface或enum
while(n--)
^
0_0_13833997_18307\Main.java:13: 错误: 需要class, interface或enum
cin>>x>>y;
^
0_0_13833997_18307\Main.java:14: 错误: 需要class, interface或enum
double s;
^
0_0_13833997_18307\Main.java:15: 错误: 需要class, interface或enum
a++;
^
0_0_13833997_18307\Main.java:16: 错误: 需要class, interface或enum
s=(pi*(x*x+y*y)/2)/50;
^
0_0_13833997_18307\Main.java:17: 错误: 需要class, interface或enum
if(s!=int(s))
^
0_0_13833997_18307\Main.java:19: 错误: 需要class, interface或enum
if(n)
^
0_0_13833997_18307\Main.java:21: 错误: 需要class, interface或enum
else
^
0_0_13833997_18307\Main.java:24: 错误: 需要class, interface或enum
cout<<"END OF OUTPUT. "<<endl;
^
0_0_13833997_18307\Main.java:25: 错误: 需要class, interface或enum
}
^
0_0_13833997_18307\Main.java:29: 错误: 需要class, interface或enum
}
^
18 个错误
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