0_0_36147152_25116\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args){
^
0_0_36147152_25116\Main.java:3: 错误: 需要class, interface或enum
int n=0;
^
0_0_36147152_25116\Main.java:4: 错误: 需要class, interface或enum
BigInteger sum = new BigInteger("1");
^
0_0_36147152_25116\Main.java:7: 错误: 需要class, interface或enum
n= input.nextInt();
^
0_0_36147152_25116\Main.java:10: 错误: 需要class, interface或enum
while (n != 0)
^
0_0_36147152_25116\Main.java:13: 错误: 需要class, interface或enum
for (int i = (2 * n);i > n+1 ; i--)
^
0_0_36147152_25116\Main.java:13: 错误: 需要class, interface或enum
for (int i = (2 * n);i > n+1 ; i--)
^
0_0_36147152_25116\Main.java:19: 错误: 需要class, interface或enum
}//for
^
0_0_36147152_25116\Main.java:20: 错误: 需要class, interface或enum
for (int i = 1 ; i < n+1 ; i++)
^
0_0_36147152_25116\Main.java:20: 错误: 需要class, interface或enum
for (int i = 1 ; i < n+1 ; i++)
^
0_0_36147152_25116\Main.java:24: 错误: 需要class, interface或enum
}//for
^
0_0_36147152_25116\Main.java:27: 错误: 需要class, interface或enum
n =input.nextInt();
^
0_0_36147152_25116\Main.java:28: 错误: 需要class, interface或enum
}//while
^
13 个错误
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