是这样的：

一份代码，在本地编译零警告零错误通过了

然后在我谷编译有错误qwq

错误代码如下，哪位大佬能帮我康康qwq

编译信息
编译失败

            /tmp/tmplfuxdzwd/src:3:11: 错误：‘int kill’被重新声明为不同意义的符号
 int eat=0,kill=0;
           ^~~~
In file included from /usr/include/c++/8/csignal:42,
                 from /usr/include/x86_64-linux-gnu/c++/8/bits/stdc++.h:43,
                 from /tmp/tmplfuxdzwd/src:1:
/usr/include/signal.h:112:12: 附注：previous declaration ‘int kill(__pid_t, int)’
 extern int kill (__pid_t __pid, int __sig) __THROW;
            ^~~~
/tmp/tmplfuxdzwd/src: 在函数‘void done()’中:
/tmp/tmplfuxdzwd/src:19:19: 警告：ISO C++ 不允许对类型为‘int (*)(__pid_t, int) throw ()’ {aka ‘int (*)(int, int)’}的指针自减 [-Wpointer-arith]
    if(kill>0){kill--;return;}
                   ^~
/tmp/tmplfuxdzwd/src:19:19: 错误：自减操作数必须是左值
/tmp/tmplfuxdzwd/src:38:19: 警告：ISO C++ 不允许对类型为‘int (*)(__pid_t, int) throw ()’ {aka ‘int (*)(int, int)’}的指针自减 [-Wpointer-arith]
    if(kill>0){kill--;return;}
                   ^~
/tmp/tmplfuxdzwd/src:38:19: 错误：自减操作数必须是左值
/tmp/tmplfuxdzwd/src:45:28: 错误：向函数‘int kill(__pid_t, int)’赋值
   int k=read();done();kill=k;return;
                            ^