Question

c语言,谁帮我解释一下每步的意思?

输入5个字符逆向打印:

#include "stdio.h"
main()
{
int i=5;
void palin(int n);
printf("\40:");
palin(i);
printf("\n");
}
void palin(n)
int n;
{
char next;
if(n<=1)
{
next=getchar();
printf("\n\0:");
putchar(next);
}
else
{
next=getchar();
palin(n-1);
putchar(next);
}
}

Answer 1

程序代码有错

Answer 2

Compiling...
Cpp2.cpp
f:\microsoft visual studio\cpp2.cpp(9) : warning C4508: 'main' : function should return a value; 'void' return type assumed
f:\microsoft visual studio\cpp2.cpp(10) : error C2065: 'n' : undeclared identifier
f:\microsoft visual studio\cpp2.cpp(11) : error C2448: '<Unknown>' : function-style initializer appears to be a function definition
f:\microsoft visual studio\cpp2.cpp(11) : fatal error C1004: unexpected end of file found
Error executing cl.exe.

Answer 3

cerr:语法错误。

Answer 4

你的程序需要用到递归来实现吗！
直接用数组模拟一个栈就可以了啊